Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2003 Chevrolet Silverado 2500 HD Exhaust Manifolds, Pipes, Mufflers & Components

2003 Chevrolet Silverado 2500 HD Exhaust Manifolds, Pipes, Mufflers & Components

My Vehicle Change Vehicle
2003 Chevrolet Silverado 2500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Engine & Drivetrain

124 products about 2003 Chevrolet Silverado 2500 HD Exhaust Manifolds, Pipes, Mufflers & Components found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Notes: 6.6 Liter Turbo Diesel, 1st Design
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2003 Chevrolet Silverado 2500 HD Mount Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Notes: 6.6 Liter Turbo Diesel, 1st Design
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2003 Chevrolet Silverado 2500 HD Mount Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Notes: 6.6 Liter Turbo Diesel, 1st Design
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2003 Chevrolet Silverado 2500 HD Mount Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM 2003 Chevrolet Silverado 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Notes: 6.6 Liter Turbo Diesel, 1st Design
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2003 Chevrolet Silverado 2500 HD Mount Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • Walker Quiet Flow Steel Oval Aluminized Exhaust Muffler for 2003 Chevrolet Silverado 2500 HD - 21522

    Walker® Quiet Flow Steel Oval Aluminized Exhaust Muffler for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 21522
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; If Welded Assy, Replace All Reqd Parts
    • Body Height: 5.500
    • Body Length: 20.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.5
    • Internet Product Code (IPC): 6E97125578E
    • Item has MSDS (SDS): N
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21522
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2005
    • Muffler Body Height: 5.5
    • Muffler Body Length: 20.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 3.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 3.0
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 27.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 3.000
    • Outlet Configuration: Offset
    • Overall Length: 27.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 702129
    • Universal Or Specific Fit: Specific
    • UPC: 086387215220
    • Part Description: 2003 Chevrolet Silverado 2500 HD Quiet Flow Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $112.38
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 674-736
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: Yes
    • Inlet Port Shape: Square
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 8
    • OE Part Number: 12624683, 97224586
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495212911
    • Part Description: 2003 Chevrolet Silverado 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $185.78
  • Walker Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Silverado 2500 HD - 54717

    Walker® Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 54717
    Product Specifications
    • Notes: Fed Emiss; Exc LEV; w/3" Inlet & 3" Outlet
    • Exhaust Pipe Inlet Connection Type: Pipe Connection
    • Exhaust Pipe Material: Steel
    • Exhaust Pipe Outlet Connection Type: Pipe Connection
    • Exhaust Pipe Overall Length: 36.625
    • Exhaust Pipe Wall Maximum Gauge: Undisclosed
    • Finish: Aluminized
    • Fitment: Direct OE Replacement
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Quantity: 1
    • Internet Product Code (IPC): 8647F7CD7FA
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 36.625
    • Material: Steel
    • Max Year Covered: 2006
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 54717
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2004
    • Outlet 1 Outside Diameter: 3.000
    • Outlet 1 Type: Pipe Connection
    • Outlet Quantity: 1
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 702806
    • Universal Or Specific Fit: Specific
    • UPC: 086387547178
    • Part Description: 2003 Chevrolet Silverado 2500 HD Aluminized Steel Exhaust Extension Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $26.69
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 674-732
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: Yes
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 6
    • OE Part Number: 12569416, 12569530, 12578341, 12602038, 12616286, 12648339, 12677665
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495212904
    • Part Description: 2003 Chevrolet Silverado 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $137.52
  • OEM 2003 Chevrolet Silverado 2500 HD Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Engine Exhaust Manifold

    PartNumber: 12616285
    OEM 2003 Chevrolet Silverado 2500 HD Engine Exhaust Manifold - 12616285
    Product Specifications
    • Notes: 6.0 Liter Gas; All Models; 6.0l; Left; All
    • Location: Driver Side
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 10.1 x 8.1 x 25.4 inches
    • Item Weight: 10.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12564155, 12602037, 12571678, 12562235
    • Part Description: 2003 Chevrolet Silverado 2500 HD Engine Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $93.15 MSRP: $167.37
    You Save: $74.22 (45%)
  • Walker Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Silverado 2500 HD - 53727

    Walker® Aluminized Steel Exhaust Extension Pipe for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 53727
    Product Specifications
    • Notes: Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet
    • Class: W
    • Connection Type: Pipe
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1
    • Material: Aluminized Steel
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Outside Diameter
    • Outlet Quantity: 1
    • Overall Length: 26.125"
    • Pipe Inlet Diameter: 3"
    • Pipe Outlet Diameter: 3"
    • Part Description: 2003 Chevrolet Silverado 2500 HD Aluminized Steel Exhaust Extension Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $22.09
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD - 674-522

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 674-522
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: Yes
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 6
    • OE Part Number: 12556078, 12562235, 12562330, 12564155, 12571678, 12602037, 12616285
    • Package Quantity: 1
    • Position: Driver Side
    • UPC: 019495064978
    • Part Description: 2003 Chevrolet Silverado 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $95.43
  • OEM 2003 Chevrolet Silverado 2500 HD Manifold Gasket Diagram - 98002804
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Manifold Gasket

    PartNumber: 98002804
    OEM 2003 Chevrolet Silverado 2500 HD Manifold Gasket - 98002804
    Product Specifications
    • Notes: 6.6 Liter Turbo Diesel, 1st Design
    • Location: Driver Side; Passenger Side
    • Other Names: Exhaust Manifold Gasket, Manifold Gasket
    • Item Dimensions: 17.4 x 4.3 x 0.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 97328660, 97188684
    • Part Description: 2003 Chevrolet Silverado 2500 HD Manifold Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $37.41 MSRP: $59.42
    You Save: $22.01 (38%)
  • Walker High Temperature Graphite for 2003 Chevrolet Silverado 2500 HD - 31591

    Walker® High Temperature Graphite for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 31591
    Product Specifications
    • Bolt Hole Center to Center Distance 1: 4.750
    • Bolt Hole Center to Center Distance 1 (in): 3.22
    • Bolt Hole Center to Center Distance 2: 3.250
    • Bolt Hole Center to Center Distance 2 (in): 4.75
    • Bolt Hole Diameter: 0.500
    • Gasket / Seal Material: High Temp Graphite, Steel Core And Fire Ring
    • Gasket Thickness: 0.051
    • Gasket Type: 4 Bolt
    • Internet Product Code (IPC): EE4D2F9DBAA
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Material: High Temperature Graphite With Steel Core And Metal Fire Ring
    • Max Year Covered: 2008
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 31591
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2005
    • Package Contents: 1 Gasket
    • Port 1 Length: 3.500
    • Port 1 Length (in): 3.52
    • Port 1 Width: 3.500; 3.52
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Thickness: 0.051
    • Total Part VIO: 842676
    • UPC: 086387315913
    • Part Description: 2003 Chevrolet Silverado 2500 HD High Temperature Graphite
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $14.44
  • OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe Diagram - 10395214
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe - 10395214
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 51.8 x 20.2 x 15.2 inches
    • Item Weight: 20.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420109
    • Part Description: 2003 Chevrolet Silverado 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe Diagram - 10395214
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe - 10395214
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 51.8 x 20.2 x 15.2 inches
    • Item Weight: 20.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420109
    • Part Description: 2003 Chevrolet Silverado 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe Diagram - 10395214
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe - 10395214
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 51.8 x 20.2 x 15.2 inches
    • Item Weight: 20.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420109
    • Part Description: 2003 Chevrolet Silverado 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • Dorman Stainless Steel Silver Metal V Band Exhaust Manifold Clamp for 2003 Chevrolet Silverado 2500 HD - 904-254

    Dorman® Stainless Steel Silver Metal V Band Exhaust Manifold Clamp for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 904-254
    Product Specifications
    • Notes: Quick Release Latch V-Insert Clamp; At Exhaust Manifold Pipe
    • Clamp Design: V-band Clamp
    • Finish: Silver Metal
    • Item Grade: Regular
    • Material: Stainless Steel
    • Maximum Diameter: 4.25"
    • Nut Type: Threaded
    • OE Part Number: 11611439
    • Package Quantity: 1
    • Selling Package Quantity: Piece
    • UPC: 019495436676
    • Part Description: 2003 Chevrolet Silverado 2500 HD Stainless Steel Silver Metal V Band Exhaust Manifold Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $51.72
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD - 674-731

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 674-731
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 3
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: No
    • Inlet Port Shape: Square
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 8
    • OE Part Number: 12624684, 12637647, 97224587
    • Package Quantity: 1
    • Position: Driver Side
    • UPC: 019495212935
    • Part Description: 2003 Chevrolet Silverado 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    $71.95
  • Walker Aluminized Steel Id Od Exhaust Pipe Connector for 2003 Chevrolet Silverado 2500 HD - 41974

    Walker® Aluminized Steel Id Od Exhaust Pipe Connector for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 41974
    Product Specifications
    • Notes: Fed Emiss; (EXC. LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet; Use Reducer Bushing PN[41974] to connect w/OE Converter Pipe; Used w/21533
    • Connector Gender: Female - Male
    • Exhaust Pipe Adapter Inlet Diameter: 3.0
    • Exhaust Pipe Adapter Outlet Diameter: 2.5
    • Exhaust Pipe Material: Steel
    • Exhaust Pipe Overall Length: 6.0
    • Exhaust Pipe Wall Maximum Gauge: Undisclosed
    • Finish: Aluminized
    • Inlet Inside Diameter: 3.000
    • Internet Product Code (IPC): 52B6657FDD4
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 6.000
    • Material: Steel
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 41974
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1989
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2006
    • Outlet Outside Diameter: 2.500
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 786547
    • UPC: 086387419741
    • Part Description: 2003 Chevrolet Silverado 2500 HD Aluminized Steel Id Od Exhaust Pipe Connector
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $11.53
  • Dorman Metal Black Exhaust Manifold To Cylinder Head Repair Clamp for 2003 Chevrolet Silverado 2500 HD - 917-108

    Dorman® Metal Black Exhaust Manifold To Cylinder Head Repair Clamp for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 917-108
    Product Specifications
    • Attachment Method: Bolt On
    • Finish: Black
    • Length: 5.3"
    • Material: Metal
    • Maximum Diameter: 0.49"
    • Minimum Diameter: 0.46"
    • OE Part Number: 11518860
    • Overall Length: 5.3"
    • Reusable: No
    • Self Locking: No
    • UPC: 019495825227
    • Part Description: 2003 Chevrolet Silverado 2500 HD Metal Black Exhaust Manifold To Cylinder Head Repair Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $27.70
  • Walker Perforated Metal for 2003 Chevrolet Silverado 2500 HD - 31718

    Walker® Perforated Metal for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 31718
    Product Specifications
    • Notes: with Federal Emissions;without Low Emission Vehicle (LEV);Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet;06 8.1L;Fed Emiss; Exc LEV; w/3" Inlet & 3" Outlet;Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet
    • Bolt Hole Center to Center Distance 1: 4.125"
    • Class: B
    • Material: Perforated Metal with Fiber Core and Fire Ring
    • Port 1 Length: 2.75"
    • Port 1 Width: 2.75"
    • Position: Driver Side
    • Thickness: 0.063"
    • Part Description: 2003 Chevrolet Silverado 2500 HD Perforated Metal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    $10.48
  • Walker Fiber And Metal Laminate Ring Exhaust Pipe Flange Gasket for 2003 Chevrolet Silverado 2500 HD - 31610

    Walker® Fiber And Metal Laminate Ring Exhaust Pipe Flange Gasket for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 31610
    Product Specifications
    • Notes: without Low Emission Vehicle (LEV);with Federal Emissions;06 8.1L;Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet;Fed Emiss; Exc LEV; w/3" Inlet & 3" Outlet;Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet
    • Bolt Hole Diameter: 0.38"
    • Class: A
    • Material: Fiber and Metal Laminate
    • Outer Diameter: 3.28"
    • Packaging: Poly Bag
    • Port 1 Length: 2.938"
    • Port 1 Width: 2.938"
    • Position: Passenger Side
    • Thickness: 0.18"
    • Part Description: 2003 Chevrolet Silverado 2500 HD Fiber And Metal Laminate Ring Exhaust Pipe Flange Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $8.12
  • OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe Diagram - 10395213
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Converter & Pipe

    PartNumber: 10395213
    OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe - 10395213
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 40.2 x 11.3 x 7.1 inches
    • Item Weight: 17.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420124
    • Part Description: 2003 Chevrolet Silverado 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $946.54 MSRP: $1415.00
    You Save: $468.46 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe Diagram - 10395213
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Converter & Pipe

    PartNumber: 10395213
    OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe - 10395213
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 40.2 x 11.3 x 7.1 inches
    • Item Weight: 17.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420124
    • Part Description: 2003 Chevrolet Silverado 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $946.54 MSRP: $1415.00
    You Save: $468.46 (34%)
  • OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe Diagram - 10395213
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Converter & Pipe

    PartNumber: 10395213
    OEM 2003 Chevrolet Silverado 2500 HD Converter & Pipe - 10395213
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe, Front Pipe
    • Item Dimensions: 40.2 x 11.3 x 7.1 inches
    • Item Weight: 17.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19420124
    • Part Description: 2003 Chevrolet Silverado 2500 HD Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $946.54 MSRP: $1415.00
    You Save: $468.46 (34%)
  • Walker High Temperature Graphite for 2003 Chevrolet Silverado 2500 HD - 31574

    Walker® High Temperature Graphite for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 31574
    Product Specifications
    • Notes: without Low Emission Vehicle (LEV);with Federal Emissions;Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet;06 8.1L;Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet;Fed Emiss; Exc LEV; w/3" Inlet & 3" Outlet
    • Bolt Hole Center to Center Distance 1: 5.125
    • Bolt Hole Center to Center Distance 1 (in): 5.16
    • Bolt Hole Diameter: 0.500
    • Gasket / Seal Material: High Temperature Graphite With Steel Core
    • Gasket Thickness: 0.05
    • Gasket Type: 2 Bolt
    • Internet Product Code (IPC): 26ACEB4311E
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Material: Graphoil
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 31574
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Chevrolet Malibu
    • Most Popular Year: 2008
    • Package Contents: 1 Gasket
    • Port 1 Length: 3.000
    • Port 1 Length (in): 3.04
    • Port 1 Width: 3.000; 3.04
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Thickness: 0.050
    • Total Part VIO: 3985519
    • UPC: 086387315746
    • Part Description: 2003 Chevrolet Silverado 2500 HD High Temperature Graphite
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $8.06
  • Walker Rubber Black Exhaust Insulator for 2003 Chevrolet Silverado 2500 HD - 35229

    Walker® Rubber Black Exhaust Insulator for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 35229
    Product Specifications
    • Notes: Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet;Fed Emiss; Exc LEV; w/3" Inlet & 3" Outlet;Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet
    • Attachment Method: OEM Style
    • Finish: Black
    • Hardware Material: Rubber
    • Internet Product Code (IPC): E837FFCB568
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 3.500
    • Material: Rubber
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35229
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1988
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Overall Length: 3.5
    • Package Contents: Insulator
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 21722253
    • Universal Or Specific Fit: Universal
    • UPC: 086387352291
    • Part Description: 2003 Chevrolet Silverado 2500 HD Rubber Black Exhaust Insulator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    Show More
    $5.63
  • Walker Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Silverado 2500 HD - 35794

    Walker® Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 35794
    Product Specifications
    • Notes: Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet; 3";Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet; 3";Exc LEV; Fed Emiss; w/3" Inlet & 3" Outlet;Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet;Fed Emiss; Exc LEV; w/3" Inlet & 3" Outlet
    • Bolt Diameter: 0.375
    • Clamp Design: U-Clamp
    • Clamp Maximum Diameter: 3.0
    • Clamp Type: U-Bolt
    • Finish: Natural
    • Gauge: 11.0
    • Grade Type: Regular
    • Hardware Material: Steel
    • Internet Product Code (IPC): 2184BEFFCD2
    • Item Grade: OEM Standard
    • Item has MSDS (SDS): N
    • Material: Steel
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35794
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1984
    • Most Popular Make / Model: Ford F-150
    • Most Popular Year: 2004
    • Nut Type: Hex
    • Package Contents: One Exhaust Clamp
    • Pipe Diameter: 3.000
    • Product Grade: Economy
    • Saddle Hole Type: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 31808980
    • UPC: 086387357944
    • Width: 4.375
    • Part Description: 2003 Chevrolet Silverado 2500 HD Heavy Duty Steel Natural U Bolt Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    Show More
    $2.84
  • OEM 2003 Chevrolet Silverado 2500 HD Exhaust Manifold Diagram - 12624683
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Silverado 2500 HD Exhaust Manifold

    PartNumber: 12624683
    OEM 2003 Chevrolet Silverado 2500 HD Exhaust Manifold - 12624683
    Product Specifications
    • Notes: All Models; 6.6l; Right; 6.6 Liter Turbo Diesel, 1st Design
    • Location: Passenger Side
    • Other Names: Exhaust Manifold
    • Item Dimensions: 22.8 x 5.8 x 5.9 inches
    • Item Weight: 9.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 97224586
    • Part Description: 2003 Chevrolet Silverado 2500 HD Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL
    $308.25 MSRP: $459.86
    You Save: $151.61 (33%)
  • Walker Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Silverado 2500 HD - 35337

    Walker® Heavy Duty Steel Natural U Bolt Clamp for 2003 Chevrolet Silverado 2500 HD

    PartNumber: 35337
    Product Specifications
    • Notes: Fed Emiss; (Exc LEV); w/Small Dia Muffler; w/2.5" Muffler Inlet
    • Bolt Diameter: 0.375
    • Clamp Design: U-Clamp
    • Clamp Maximum Diameter: 2.5
    • Clamp Type: U-Bolt
    • Finish: Natural
    • Gauge: 11.0
    • Grade Type: Regular
    • Hardware Material: Steel
    • Internet Product Code (IPC): AC04EB41AD7
    • Item Grade: OEM Standard
    • Item has MSDS (SDS): N
    • Material: Steel
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35337
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1963
    • Most Popular Make / Model: Ford F-150
    • Most Popular Year: 2004
    • Nut Type: Hex
    • Package Contents: One Exhaust Clamp
    • Pipe Diameter: 2.500
    • Product Grade: Economy
    • Saddle Hole Type: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 61647953
    • UPC: 086387353373
    • Width: 3.875
    • Part Description: 2003 Chevrolet Silverado 2500 HD Heavy Duty Steel Natural U Bolt Clamp
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L
    $1.58
1-30 of 124 Results
< Previous
12345
Next >