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 Hummer H3 Exhaust Manifolds, Pipes, Mufflers & Components

Select your vehicle for the best product fit

  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

Hummer H3 Exhaust Manifolds, Pipes, Mufflers & Components

< Back to View All
Engine & Drivetrain
  • Department
  • Brands
  • Prices

85 products about Hummer H3 Exhaust Manifolds, Pipes, Mufflers & Components found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM Hummer H3 Gasket, Exhaust Manifold Diagram - 12617944
    View Related Parts

    OEM (Genuine) Hummer H3 Gasket, Exhaust Manifold

    PartNumber: 12617944
    OEM Hummer H3 Gasket, Exhaust Manifold - 12617944
    Product Specifications
    • 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: Hummer H3 Gasket, Exhaust Manifold
    More Info
    $16.87 MSRP: $35.00
    You Save: $18.13 (52%)
  • OEM Hummer H3 Bumper Nut Diagram - 11517996
    View Related Parts

    OEM (Genuine) Hummer H3 Bumper Nut

    PartNumber: 11517996
    OEM Hummer H3 Bumper Nut - 11517996
    Product Specifications
    • 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: Hummer H3 Bumper Nut
    More Info
    $4.47 MSRP: $7.38
    You Save: $2.91 (40%)
  • Walker Graphoil Donut Exhaust Manifold Flange Gasket for Hummer H3 - 31555

    Walker® Graphoil Donut Exhaust Manifold Flange Gasket for Hummer H3

    PartNumber: 31555
    Product Specifications
    • Location: Front Pipe to Converter
    • Material: Graphoil
    • Port Size: 2.54" x 2.54"
    • Thickness: 0.62"
    • Part Description: Hummer H3 Graphoil Donut Exhaust Manifold Flange Gasket
    More Info
    $11.62
  • Dorman Cast Iron Natural Exhaust Manifold for Hummer H3 - 674-703

    Dorman® Cast Iron Natural Exhaust Manifold for Hummer H3

    PartNumber: 674-703
    Product Specifications
    • Bolt Hole Quantity: 9
    • Finish: Natural
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Inlet Port Shape: Oval
    • Installation Hardware Included: Yes
    • Item Grade: Standard Replacement
    • OE Part Number: 12571601
    • Package Quantity: 1
    • UPC: 019495127420
    • Part Description: Hummer H3 Cast Iron Natural Exhaust Manifold
    More Info
    $634.55
  • Victor Reinz Graphite And Metal Exhaust Pipe Flange Gasket for Hummer H3 - 71-15363-00

    Victor Reinz® Graphite And Metal Exhaust Pipe Flange Gasket for Hummer H3

    PartNumber: 71-15363-00
    Product Specifications
    • Bolt Hole Quantity: 0
    • Inside Diameter: 2.58"
    • Location: Pipe to Manifold
    • Material: Graphite and Metal
    • Thickness: 0.69"
    • Type: Doughnut
    • Part Description: Hummer H3 Graphite And Metal Exhaust Pipe Flange Gasket
    More Info
    $22.32
  • Walker Rubber Black Exhaust Insulator for Hummer H3 - 35229

    Walker® Rubber Black Exhaust Insulator for Hummer H3

    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: Hummer H3 Rubber Black Exhaust Insulator
    More Info
    $5.63
  • OEM Hummer H3 Converter & Pipe Diagram - 20909929
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe

    PartNumber: 20909929
    OEM Hummer H3 Converter & Pipe - 20909929
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 48.9 x 15.4 x 7.1 inches
    • Item Weight: 17.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20786842, 25785792, 15811685
    • Part Description: Hummer H3 Converter & Pipe
    More Info
    $642.85 MSRP: $956.95
    You Save: $314.10 (33%)
  • OEM Hummer H3 Converter & Pipe Diagram - 20909929
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe

    PartNumber: 20909929
    OEM Hummer H3 Converter & Pipe - 20909929
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 48.9 x 15.4 x 7.1 inches
    • Item Weight: 17.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20786842, 25785792, 15811685
    • Part Description: Hummer H3 Converter & Pipe
    More Info
    $642.85 MSRP: $956.95
    You Save: $314.10 (33%)
  • OEM Hummer H3 Converter & Pipe Diagram - 20909929
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe

    PartNumber: 20909929
    OEM Hummer H3 Converter & Pipe - 20909929
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 48.9 x 15.4 x 7.1 inches
    • Item Weight: 17.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20786842, 25785792, 15811685
    • Part Description: Hummer H3 Converter & Pipe
    More Info
    $642.85 MSRP: $956.95
    You Save: $314.10 (33%)
  • Victor Reinz Exhaust Manifold Gasket Set for Hummer H3 - 11-10342-01

    Victor Reinz® Exhaust Manifold Gasket Set for Hummer H3

    PartNumber: 11-10342-01
    Product Specifications
    • Bolt Hole Quantity: 9
    • Color: Color May Vary
    • Complete: Y
    • Configuration: One Piece
    • Contains Applications: Y
    • Material: Steel
    • Release Wave: 12/15/2017
    • Thickness: 0.030
    • UPC: 023913654979
    • Part Description: Hummer H3 Exhaust Manifold Gasket Set
    More Info
    $10.93
  • Dorman Cast Iron Natural Exhaust Manifold for Hummer H3 - 674-989

    Dorman® Cast Iron Natural Exhaust Manifold for Hummer H3

    PartNumber: 674-989
    Product Specifications
    • Bolt Hole Quantity: 4
    • Finish: Natural
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Standard Replacement
    • OE Part Number: 12607895
    • Package Quantity: 1
    • UPC: 019495738343
    • Part Description: Hummer H3 Cast Iron Natural Exhaust Manifold
    More Info
    $629.68
  • Walker Heavy Duty Steel Natural U Bolt Clamp for Hummer H3 - 35337

    Walker® Heavy Duty Steel Natural U Bolt Clamp for Hummer H3

    PartNumber: 35337
    Product Specifications
    • 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: Hummer H3 Heavy Duty Steel Natural U Bolt Clamp
    More Info
    $1.58
  • Dorman Cast Iron Natural Exhaust Manifold for Hummer H3 - 674-785

    Dorman® Cast Iron Natural Exhaust Manifold for Hummer H3

    PartNumber: 674-785
    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: 12567484, 12600527, 8-12567-484-0
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495152866
    • Part Description: Hummer H3 Cast Iron Natural Exhaust Manifold
    More Info
    $158.37
  • Victor Reinz Graphite And Metal Exhaust Pipe Flange Gasket for Hummer H3 - 71-13623-00

    Victor Reinz® Graphite And Metal Exhaust Pipe Flange Gasket for Hummer H3

    PartNumber: 71-13623-00
    Product Specifications
    • 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: Hummer H3 Graphite And Metal Exhaust Pipe Flange Gasket
    More Info
    $8.20
  • OEM Hummer H3 Converter Diagram - 25982291
    View Related Parts

    OEM (Genuine) Hummer H3 Converter

    PartNumber: 25982291
    OEM Hummer H3 Converter - 25982291
    Product Specifications
    • Other Names: Catalytic Converter, Converter, Converter & Pipe
    • Item Dimensions: 45.6 x 14.5 x 8.7 inches
    • Item Weight: 16.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25844504
    • Part Description: Hummer H3 Converter
    More Info
    $1032.08 MSRP: $1544.03
    You Save: $511.95 (34%)
  • OEM Hummer H3 Converter Diagram - 25982291
    View Related Parts

    OEM (Genuine) Hummer H3 Converter

    PartNumber: 25982291
    OEM Hummer H3 Converter - 25982291
    Product Specifications
    • Other Names: Catalytic Converter, Converter, Converter & Pipe
    • Item Dimensions: 45.6 x 14.5 x 8.7 inches
    • Item Weight: 16.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25844504
    • Part Description: Hummer H3 Converter
    More Info
    $1032.08 MSRP: $1544.03
    You Save: $511.95 (34%)
  • OEM Hummer H3 Converter Diagram - 25982291
    View Related Parts

    OEM (Genuine) Hummer H3 Converter

    PartNumber: 25982291
    OEM Hummer H3 Converter - 25982291
    Product Specifications
    • Other Names: Catalytic Converter, Converter, Converter & Pipe
    • Item Dimensions: 45.6 x 14.5 x 8.7 inches
    • Item Weight: 16.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25844504
    • Part Description: Hummer H3 Converter
    More Info
    $1032.08 MSRP: $1544.03
    You Save: $511.95 (34%)
  • OEM Hummer H3 Converter & Pipe Diagram - 15292649
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe

    PartNumber: 15292649
    OEM Hummer H3 Converter & Pipe - 15292649
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 49.4 x 15.5 x 6.3 inches
    • Item Weight: 14.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Hummer H3 Converter & Pipe
    More Info
    $524.37 MSRP: $778.25
    You Save: $253.88 (33%)
  • OEM Hummer H3 Converter & Pipe Diagram - 15292649
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe

    PartNumber: 15292649
    OEM Hummer H3 Converter & Pipe - 15292649
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 49.4 x 15.5 x 6.3 inches
    • Item Weight: 14.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Hummer H3 Converter & Pipe
    More Info
    $524.37 MSRP: $778.25
    You Save: $253.88 (33%)
  • OEM Hummer H3 Converter & Pipe Diagram - 15292649
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe

    PartNumber: 15292649
    OEM Hummer H3 Converter & Pipe - 15292649
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 49.4 x 15.5 x 6.3 inches
    • Item Weight: 14.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Hummer H3 Converter & Pipe
    More Info
    $524.37 MSRP: $778.25
    You Save: $253.88 (33%)
  • OEM Hummer H3 Exhaust Manifold Diagram - 12655846
    View Related Parts

    OEM (Genuine) Hummer H3 Exhaust Manifold

    PartNumber: 12655846
    OEM Hummer H3 Exhaust Manifold - 12655846
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 29.7 x 27.1 x 13.4 inches
    • Item Weight: 23.50 Pounds
    • Replaced by: 19418950
    • Part Description: Hummer H3 Exhaust Manifold
    More Info
    $1707.17 MSRP: $2571.77
    You Save: $864.60 (34%)
  • OEM Hummer H3 Heat Shield Diagram - 12597916
    View Related Parts

    OEM (Genuine) Hummer H3 Heat Shield

    PartNumber: 12597916
    OEM Hummer H3 Heat Shield - 12597916
    Product Specifications
    • Other Names: Heat Shield
    • Item Dimensions: 24.3 x 7.9 x 4.2 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Hummer H3 Heat Shield
    More Info
    $40.37 MSRP: $60.89
    You Save: $20.52 (34%)
  • OEM Hummer H3 Manifold Diagram - 12600527
    View Related Parts

    OEM (Genuine) Hummer H3 Manifold

    PartNumber: 12600527
    OEM Hummer H3 Manifold - 12600527
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 21.4 x 9.3 x 6.4 inches
    • Item Weight: 12.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12567484
    • Part Description: Hummer H3 Manifold
    More Info
    $130.85 MSRP: $195.23
    You Save: $64.38 (33%)
  • OEM Hummer H3 Manifold Diagram - 19418950
    View Related Parts

    OEM (Genuine) Hummer H3 Manifold

    PartNumber: 19418950
    OEM Hummer H3 Manifold - 19418950
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Fitment Type: Direct Replacement
    • Replaces: 12655846, 12607895, 12604221
    • Part Description: Hummer H3 Manifold
    More Info
    $1707.17 MSRP: $2571.77
    You Save: $864.60 (34%)
  • OEM Hummer H3 Tailpipe Insulator Diagram - 15120136
    View Related Parts

    OEM (Genuine) Hummer H3 Tailpipe Insulator

    PartNumber: 15120136
    OEM Hummer H3 Tailpipe Insulator - 15120136
    Product Specifications
    • Item Dimensions: 3.7 x 3.2 x 1.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15155259, 15083302
    • Part Description: Hummer H3 Tailpipe Insulator
    More Info
    $16.63 MSRP: $25.08
    You Save: $8.45 (34%)
  • OEM Hummer H3 Tailpipe Insulator Diagram - 15120136
    View Related Parts

    OEM (Genuine) Hummer H3 Tailpipe Insulator

    PartNumber: 15120136
    OEM Hummer H3 Tailpipe Insulator - 15120136
    Product Specifications
    • Item Dimensions: 3.7 x 3.2 x 1.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15155259, 15083302
    • Part Description: Hummer H3 Tailpipe Insulator
    More Info
    $16.63 MSRP: $25.08
    You Save: $8.45 (34%)
  • OEM Hummer H3 Tailpipe Insulator Diagram - 15120136
    View Related Parts

    OEM (Genuine) Hummer H3 Tailpipe Insulator

    PartNumber: 15120136
    OEM Hummer H3 Tailpipe Insulator - 15120136
    Product Specifications
    • Item Dimensions: 3.7 x 3.2 x 1.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15155259, 15083302
    • Part Description: Hummer H3 Tailpipe Insulator
    More Info
    $16.63 MSRP: $25.08
    You Save: $8.45 (34%)
  • OEM Hummer H3 Tailpipe Insulator Diagram - 15120136
    View Related Parts

    OEM (Genuine) Hummer H3 Tailpipe Insulator

    PartNumber: 15120136
    OEM Hummer H3 Tailpipe Insulator - 15120136
    Product Specifications
    • Item Dimensions: 3.7 x 3.2 x 1.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15155259, 15083302
    • Part Description: Hummer H3 Tailpipe Insulator
    More Info
    $16.63 MSRP: $25.08
    You Save: $8.45 (34%)
  • OEM Hummer H3 Converter & Pipe Seal Diagram - 15105884
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe Seal

    PartNumber: 15105884
    OEM Hummer H3 Converter & Pipe Seal - 15105884
    Product Specifications
    • Item Dimensions: 4.0 x 3.9 x 1.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Hummer H3 Converter & Pipe Seal
    More Info
    $11.29 MSRP: $17.89
    You Save: $6.60 (37%)
  • OEM Hummer H3 Converter & Pipe Seal Diagram - 15105884
    View Related Parts

    OEM (Genuine) Hummer H3 Converter & Pipe Seal

    PartNumber: 15105884
    OEM Hummer H3 Converter & Pipe Seal - 15105884
    Product Specifications
    • Item Dimensions: 4.0 x 3.9 x 1.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Hummer H3 Converter & Pipe Seal
    More Info
    $11.29 MSRP: $17.89
    You Save: $6.60 (37%)
1-30 of 85 Results
< Previous
123
Next >

Browse Hummer H3 Exhaust Manifolds, Pipes, Mufflers & Components by Years

2010 2009 2008 2007 2006