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Replacement and OEM Parts for 2008 GMC Sierra 1500 Exhaust Manifolds, Pipes, Mufflers & Components

2008 GMC Sierra 1500 Exhaust Manifolds, Pipes, Mufflers & Components

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136 products about 2008 GMC Sierra 1500 Exhaust Manifolds, Pipes, Mufflers & Components found

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  • OEM 2008 GMC Sierra 1500 Gasket, Exhaust Manifold Diagram - 12617944
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Gasket, Exhaust Manifold

    PartNumber: 12617944
    OEM 2008 GMC Sierra 1500 Gasket, Exhaust Manifold - 12617944
    Product Specifications
    • Notes: Silverado, Sierra; 4.8l, 5.3l, 6.0l, 6.2l; 1/2 Ton
    • Location: Driver Side; Passenger Side
    • Other Names: Exhaust Manifold Gasket, Manifold Gasket
    • Item Dimensions: 19.0 x 3.0 x 0.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12558573, 12600530
    • Part Description: 2008 GMC Sierra 1500 Gasket, Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $16.87 MSRP: $35.00
    You Save: $18.13 (52%)
  • OEM 2008 GMC Sierra 1500 Bumper Nut Diagram - 11517996
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Bumper Nut

    PartNumber: 11517996
    OEM 2008 GMC Sierra 1500 Bumper Nut - 11517996
    Product Specifications
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 2.3 x 2.3 x 0.6 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24504100, 10255857, 11515604, 15679745, 11516077, 15259227, 16792001
    • Part Description: 2008 GMC Sierra 1500 Bumper Nut
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $4.47 MSRP: $7.38
    You Save: $2.91 (40%)
  • OEM 2008 GMC Sierra 1500 Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Engine Exhaust Manifold

    PartNumber: 12616285
    OEM 2008 GMC Sierra 1500 Engine Exhaust Manifold - 12616285
    Product Specifications
    • Notes: All Models; 4.8l, 5.3l, 6.0l, 6.2l; Left; 1/2 Ton
    • 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: 2008 GMC Sierra 1500 Engine Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $93.15 MSRP: $167.37
    You Save: $74.22 (45%)
  • Dorman Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500 - 674-523

    Dorman® Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500

    PartNumber: 674-523
    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: 6
    • OE Part Number: 12574406, 12592082
    • Package Quantity: 1
    • Position: Driver Side
    • UPC: 037495059879
    • Part Description: 2008 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
    $168.63
  • Victor Reinz Exhaust Manifold Gasket Set for 2008 GMC Sierra 1500 - 11-10829-01

    Victor Reinz® Exhaust Manifold Gasket Set for 2008 GMC Sierra 1500

    PartNumber: 11-10829-01
    Product Specifications
    • Bolt Hole Quantity: 3
    • Color: Color May Vary
    • Complete: Y
    • Configuration: Two Piece
    • Contains Applications: Y
    • Material: Fiber And Metal
    • Release Wave: 12/15/2017
    • Thickness: 0.062
    • UPC: 023913751609
    • Part Description: 2008 GMC Sierra 1500 Exhaust Manifold Gasket Set
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    $18.24
  • Dorman Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500 - 674-524

    Dorman® Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500

    PartNumber: 674-524
    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: 6
    • OE Part Number: 12560514, 12562407, 12574320, 12592083
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 037495059886
    • Part Description: 2008 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
    $131.16
  • Walker Aluminized Steel Exhaust Tailpipe for 2008 GMC Sierra 1500 - 55540

    Walker® Aluminized Steel Exhaust Tailpipe for 2008 GMC Sierra 1500

    PartNumber: 55540
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts.;If Welded Assy, Replace All Reqd Parts
    • Exhaust Pipe Inlet Connection Type: Pipe Connection
    • Exhaust Pipe Material: Steel
    • Exhaust Pipe Outlet Connection Type: Spout
    • Exhaust Pipe Overall Length: 54.75
    • Exhaust Pipe Wall Maximum Gauge: Undisclosed
    • Finish: Aluminized
    • Fitment: Direct OE Replacement
    • Grade Type: Regular
    • Inlet Inside Diameter: 2.750
    • Inlet Quantity: 1
    • Inlet Type: Pipe Connection
    • Internet Product Code (IPC): 7C975DF9AA5
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 56.750
    • Material: Steel
    • Max Year Covered: 2008
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 55540
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2007
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Outlet Quantity: 1
    • Outlet Type: Spout
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 907869
    • Universal Or Specific Fit: Specific
    • UPC: 086387555401
    • Part Description: 2008 GMC Sierra 1500 Aluminized Steel Exhaust Tailpipe
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $76.05
  • Victor Reinz Graphite And Metal Exhaust Pipe Flange Gasket for 2008 GMC Sierra 1500 - 71-13623-00

    Victor Reinz® Graphite And Metal Exhaust Pipe Flange Gasket for 2008 GMC Sierra 1500

    PartNumber: 71-13623-00
    Product Specifications
    • Notes: Pipe To Manifold
    • Bolt Hole Quantity: 0
    • Inside Diameter: 2.345"
    • Location: Pipe to Manifold
    • Material: Graphite and Metal
    • Position: Passenger Side
    • Thickness: 1.030"
    • Type: Doughnut
    • UPC: 023913671662
    • Part Description: 2008 GMC Sierra 1500 Graphite And Metal Exhaust Pipe Flange Gasket
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $8.20
  • Walker Quiet Flow Stainless Steel Oval Bare Exhaust Muffler for 2008 GMC Sierra 1500 - 21684

    Walker® Quiet Flow Stainless Steel Oval Bare Exhaust Muffler for 2008 GMC Sierra 1500

    PartNumber: 21684
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty
    • Body Height: 6.000
    • Body Length: 25.000
    • Body Material: Stainless Steel
    • Body Width: 11.500
    • 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): BA13F4B6FD2
    • Item has MSDS (SDS): N
    • Max Year Covered: 2010
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21684
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2007
    • Most Popular Make / Model: GMC Yukon
    • Most Popular Year: 2007
    • Muffler Body Height: 6.0
    • Muffler Body Length: 25.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.5
    • Muffler Color / Finish: Bare
    • 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: 30.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 3.000
    • Outlet Configuration: Offset
    • Overall Length: 30.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 306480
    • Universal Or Specific Fit: Specific
    • UPC: 086387216845
    • Part Description: 2008 GMC Sierra 1500 Quiet Flow Stainless Steel Oval Bare Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    $119.03
  • OEM 2008 GMC Sierra 1500 Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Mount Insulator

    PartNumber: 15092802
    OEM 2008 GMC Sierra 1500 Mount Insulator - 15092802
    Product Specifications
    • Notes: 4.3 Liter; 1/2 Ton
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2008 GMC Sierra 1500 Mount Insulator
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Hybrid, SL, SLE, SLT, WT, XFE | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • OEM 2008 GMC Sierra 1500 Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Mount Insulator

    PartNumber: 15092802
    OEM 2008 GMC Sierra 1500 Mount Insulator - 15092802
    Product Specifications
    • Notes: 4.3 Liter; 1/2 Ton
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2008 GMC Sierra 1500 Mount Insulator
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Hybrid, SL, SLE, SLT, WT, XFE | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • OEM 2008 GMC Sierra 1500 Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Mount Insulator

    PartNumber: 15092802
    OEM 2008 GMC Sierra 1500 Mount Insulator - 15092802
    Product Specifications
    • Notes: 4.3 Liter; 1/2 Ton
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2008 GMC Sierra 1500 Mount Insulator
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Hybrid, SL, SLE, SLT, WT, XFE | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • OEM 2008 GMC Sierra 1500 Mount Insulator Diagram - 15092802
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Mount Insulator

    PartNumber: 15092802
    OEM 2008 GMC Sierra 1500 Mount Insulator - 15092802
    Product Specifications
    • Notes: 4.3 Liter; 1/2 Ton
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: 2008 GMC Sierra 1500 Mount Insulator
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Hybrid, SL, SLE, SLT, WT, XFE | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $22.72 MSRP: $34.28
    You Save: $11.56 (34%)
  • Walker High Temperature Graphite for 2008 GMC Sierra 1500 - 31554

    Walker® High Temperature Graphite for 2008 GMC Sierra 1500

    PartNumber: 31554
    Product Specifications
    • Gasket / Seal Material: High Temperature Graphite With Wire Mesh Core
    • Gasket Thickness: 0.86
    • Gasket Type: Donut
    • Internet Product Code (IPC): 0DB4C56A0D8
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Material: High Temperature Graphite With Wire Mesh Core
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 31554
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1989
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Package Contents: 1 Gasket
    • Port 1 Length (in): 2.48
    • Port 1 Width: 2.48
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Thickness: 0.860
    • Total Part VIO: 304160
    • UPC: 086387315548
    • Part Description: 2008 GMC Sierra 1500 High Temperature Graphite
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $10.79
  • Dorman Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500 - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500

    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: 2008 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
    $137.52
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2008 GMC Sierra 1500 - 21577

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2008 GMC Sierra 1500

    PartNumber: 21577
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty;Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.;Premium - Limited Lifetime Warranty; If Welded Assy, Replace All Reqd Parts
    • Body Height: 7.000
    • Body Length: 24.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • 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: 1.625
    • Internet Product Code (IPC): 0533148E1C9
    • Item has MSDS (SDS): N
    • Max Year Covered: 2013
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21577
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2007
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Muffler Body Height: 7.0
    • Muffler Body Length: 24.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • 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): 2.75
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 29.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.750
    • Outlet Configuration: Offset
    • Overall Length: 29.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 2963434
    • Universal Or Specific Fit: Specific
    • UPC: 086387215770
    • Part Description: 2008 GMC Sierra 1500 Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $74.79
  • Walker Perforated Metal for 2008 GMC Sierra 1500 - 31718

    Walker® Perforated Metal for 2008 GMC Sierra 1500

    PartNumber: 31718
    Product Specifications
    • 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: 2008 GMC Sierra 1500 Perforated Metal
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $10.48
  • Dorman Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500 - 674-522

    Dorman® Cast Iron Natural Exhaust Manifold for 2008 GMC Sierra 1500

    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: 2008 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    Show More
    $95.43
  • Walker Rubber Black Exhaust Insulator for 2008 GMC Sierra 1500 - 35230

    Walker® Rubber Black Exhaust Insulator for 2008 GMC Sierra 1500

    PartNumber: 35230
    Product Specifications
    • Attachment Method: OEM Style
    • Finish: Black
    • Hardware Material: Rubber
    • Internet Product Code (IPC): 83D4E600387
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • Length: 4.000
    • Material: Rubber
    • Max Year Covered: 2018
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35230
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1988
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2018
    • Overall Length: 4.0
    • Package Contents: Insulator
    • Product Grade: Economy
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 6541736
    • Universal Or Specific Fit: Universal
    • UPC: 086387352307
    • Part Description: 2008 GMC Sierra 1500 Rubber Black Exhaust Insulator
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $6.97
  • OEM 2008 GMC Sierra 1500 Converter & Pipe Diagram - 25904628
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    OEM (Genuine) 2008 GMC Sierra 1500 Converter & Pipe

    PartNumber: 25904628
    OEM 2008 GMC Sierra 1500 Converter & Pipe - 25904628
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 60.3 x 26.8 x 14.1 inches
    • Item Weight: 31.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418939
    • Part Description: 2008 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
    $1848.12 MSRP: $2996.63
    You Save: $1148.51 (39%)
  • OEM 2008 GMC Sierra 1500 Converter & Pipe Diagram - 25904628
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Converter & Pipe

    PartNumber: 25904628
    OEM 2008 GMC Sierra 1500 Converter & Pipe - 25904628
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 60.3 x 26.8 x 14.1 inches
    • Item Weight: 31.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418939
    • Part Description: 2008 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
    $1848.12 MSRP: $2996.63
    You Save: $1148.51 (39%)
  • OEM 2008 GMC Sierra 1500 Converter & Pipe Diagram - 25904628
    View Related Parts

    OEM (Genuine) 2008 GMC Sierra 1500 Converter & Pipe

    PartNumber: 25904628
    OEM 2008 GMC Sierra 1500 Converter & Pipe - 25904628
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 60.3 x 26.8 x 14.1 inches
    • Item Weight: 31.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418939
    • Part Description: 2008 GMC Sierra 1500 Converter & Pipe
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
    $1848.12 MSRP: $2996.63
    You Save: $1148.51 (39%)
  • Walker Heavy Duty Steel Natural U Bolt Clamp for 2008 GMC Sierra 1500 - 35793

    Walker® Heavy Duty Steel Natural U Bolt Clamp for 2008 GMC Sierra 1500

    PartNumber: 35793
    Product Specifications
    • Bolt Diameter: 0.375
    • Clamp Design: U-Clamp
    • Clamp Maximum Diameter: 2.75
    • Clamp Type: U-Bolt
    • Finish: Natural
    • Gauge: 11.0
    • Grade Type: Regular
    • Hardware Material: Steel
    • Internet Product Code (IPC): 53860BFD66C
    • Item Grade: OEM Standard
    • Item has MSDS (SDS): N
    • Material: Steel
    • Max Year Covered: 2019
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 35793
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1975
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2007
    • Nut Type: Hex
    • Package Contents: One Exhaust Clamp
    • Pipe Diameter: 2.750
    • Product Grade: Economy
    • Saddle Hole Type: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 29778938
    • UPC: 086387357937
    • Width: 4.125
    • Part Description: 2008 GMC Sierra 1500 Heavy Duty Steel Natural U Bolt Clamp
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $2.84
  • Walker Rubber Black Exhaust Insulator for 2008 GMC Sierra 1500 - 35229

    Walker® Rubber Black Exhaust Insulator for 2008 GMC Sierra 1500

    PartNumber: 35229
    Product Specifications
    • 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: 2008 GMC Sierra 1500 Rubber Black Exhaust Insulator
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    $5.63
  • Walker Heavy Duty Steel Natural U Bolt Clamp for 2008 GMC Sierra 1500 - 35794

    Walker® Heavy Duty Steel Natural U Bolt Clamp for 2008 GMC Sierra 1500

    PartNumber: 35794
    Product Specifications
    • 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: 2008 GMC Sierra 1500 Heavy Duty Steel Natural U Bolt Clamp
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 6.2L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2008 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2008 GMC Sierra 1500 | All Trims | All Engines
    Show More
    $2.84
  • OEM 2008 GMC Sierra 1500 Muffler Diagram - 15798961
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    OEM (Genuine) 2008 GMC Sierra 1500 Muffler

    PartNumber: 15798961
    OEM 2008 GMC Sierra 1500 Muffler - 15798961
    Product Specifications
    • Notes: Silverado, Sierra; 6.0l; 1 Ton; W/O Rear Handling
    • Other Names: Muffler
    • Item Weight: 57.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 GMC Sierra 1500 Muffler
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | SLE, SLT | 8 Cyl 6.0 L GAS
    $1024.26 MSRP: $1532.23
    You Save: $507.97 (34%)
  • OEM 2008 GMC Sierra 1500 Muffler Diagram - 15798961
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    OEM (Genuine) 2008 GMC Sierra 1500 Muffler

    PartNumber: 15798961
    OEM 2008 GMC Sierra 1500 Muffler - 15798961
    Product Specifications
    • Notes: Silverado, Sierra; 6.0l; 1 Ton; W/O Rear Handling
    • Other Names: Muffler
    • Item Weight: 57.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 GMC Sierra 1500 Muffler
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | SLE, SLT | 8 Cyl 6.0 L GAS
    $1024.26 MSRP: $1532.23
    You Save: $507.97 (34%)
  • OEM 2008 GMC Sierra 1500 Heat Shield Diagram - 20908786
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    OEM (Genuine) 2008 GMC Sierra 1500 Heat Shield

    PartNumber: 20908786
    OEM 2008 GMC Sierra 1500 Heat Shield - 20908786
    Product Specifications
    • Notes: 1/2 Ton, Rear Floor, Crew Cab
    • Other Names: Heat Shield
    • Item Dimensions: 43.8 x 13.8 x 6.9 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10361041
    • Part Description: 2008 GMC Sierra 1500 Heat Shield
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Base, Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $27.88 MSRP: $42.06
    You Save: $14.18 (34%)
  • OEM 2008 GMC Sierra 1500 Heat Shield Diagram - 23498620
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    OEM (Genuine) 2008 GMC Sierra 1500 Heat Shield

    PartNumber: 23498620
    OEM 2008 GMC Sierra 1500 Heat Shield - 23498620
    Product Specifications
    • Notes: 4.3 Liter, Front Floor; 1/2 Ton, Front Floor
    • Other Names: Heat Shield
    • Item Dimensions: 47.6 x 5.1 x 16.9 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23120901, 15804782, 25988380, 15804781, 20883209, 15893979, 15782417
    • Part Description: 2008 GMC Sierra 1500 Heat Shield
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $50.60 MSRP: $76.34
    You Save: $25.74 (34%)
  • OEM 2008 GMC Sierra 1500 Manifold Diagram - 12677665
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    OEM (Genuine) 2008 GMC Sierra 1500 Manifold

    PartNumber: 12677665
    OEM 2008 GMC Sierra 1500 Manifold - 12677665
    Product Specifications
    • Notes: All Models; 4.8l, 5.3l, 6.0l, 6.2l; Right; 1/2 Ton
    • Location: Passenger Side
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 9.3 x 5.4 x 24.8 inches
    • Item Weight: 14.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12648339
    • Part Description: 2008 GMC Sierra 1500 Manifold
    More Info
    Vehicle Fitment
    • 2008 GMC Sierra 1500 | Base, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $207.84 MSRP: $330.01
    You Save: $122.17 (38%)
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