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Replacement and OEM Parts for GMC Sierra 2500 HD Exhaust Manifolds, Pipes, Mufflers & Components

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GMC Sierra 2500 HD Exhaust Manifolds, Pipes, Mufflers & Components

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612 products about GMC Sierra 2500 HD Exhaust Manifolds, Pipes, Mufflers & Components found

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  • OEM (Genuine) GMC Sierra 2500 HD Gasket, Exhaust Manifold

    PartNumber: 12617944
    OEM GMC Sierra 2500 HD 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: GMC Sierra 2500 HD Gasket, Exhaust Manifold
    More Info
    $16.42 MSRP: $34.08
    You Save: $17.66 (52%)
  • OEM (Genuine) GMC Sierra 2500 HD Bumper Nut

    PartNumber: 11517996
    OEM GMC Sierra 2500 HD 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: GMC Sierra 2500 HD Bumper Nut
    More Info
    $4.54 MSRP: $7.19
    You Save: $2.65 (37%)
  • OEM (Genuine) GMC Sierra 2500 HD Manifold Gasket

    PartNumber: 12657093
    OEM GMC Sierra 2500 HD Manifold Gasket - 12657093
    Product Specifications
    • Other Names: Exhaust Manifold Gasket, Manifold Gasket
    • Item Dimensions: 18.8 x 3.0 x 0.2 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Manifold Gasket
    More Info
    $11.48 MSRP: $18.21
    You Save: $6.73 (37%)
  • OEM (Genuine) GMC Sierra 2500 HD Bracket Bolt

    PartNumber: 11588723
    OEM GMC Sierra 2500 HD Bracket Bolt - 11588723
    Product Specifications
    • Item Dimensions: 1.8 x 1.2 x 0.8 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 94010881, 94012127
    • Part Description: GMC Sierra 2500 HD Bracket Bolt
    More Info
    $5.65 MSRP: $9.10
    You Save: $3.45 (38%)
  • OEM (Genuine) GMC Sierra 2500 HD Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 2500 HD Engine Exhaust Manifold - 12616285
    Product Specifications
    • 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: GMC Sierra 2500 HD Engine Exhaust Manifold
    More Info
    $90.69 MSRP: $162.96
    You Save: $72.27 (45%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 20854453
    OEM GMC Sierra 2500 HD Converter & Pipe - 20854453
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 51.2 x 29.9 x 14.2 inches
    • Item Weight: 35.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418926
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1724.84 MSRP: $2690.39
    You Save: $965.55 (36%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 20854453
    OEM GMC Sierra 2500 HD Converter & Pipe - 20854453
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 51.2 x 29.9 x 14.2 inches
    • Item Weight: 35.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418926
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1724.84 MSRP: $2690.39
    You Save: $965.55 (36%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 20854453
    OEM GMC Sierra 2500 HD Converter & Pipe - 20854453
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 51.2 x 29.9 x 14.2 inches
    • Item Weight: 35.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418926
    • Part Description: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1724.84 MSRP: $2690.39
    You Save: $965.55 (36%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM GMC Sierra 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: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM GMC Sierra 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: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Converter & Pipe

    PartNumber: 10395214
    OEM GMC Sierra 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: GMC Sierra 2500 HD Converter & Pipe
    More Info
    $1230.69 MSRP: $1843.58
    You Save: $612.89 (34%)
  • Walker Aluminized Steel Exhaust Extension Pipe for GMC Sierra 2500 HD - 54878

    Walker® Aluminized Steel Exhaust Extension Pipe for GMC Sierra 2500 HD

    PartNumber: 54878
    Product Specifications
    • Inlet Connection Type: 2 Bolt Welded Flange
    • Inlet Diameter Designation: Outside Diameter
    • Inlet Quantity: 1
    • Main Piping Diameter: 3.5"
    • Mandrel Bent: N
    • Material: Aluminized Steel
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Outside Diameter
    • Outlet Quantity: 1
    • Overall Length: 40.25"
    • Pipe Inlet Diameter: 3.5"
    • Pipe Outlet Diameter: 3.5"
    • Thickness: 0.069"
    • Part Description: GMC Sierra 2500 HD Aluminized Steel Exhaust Extension Pipe
    More Info
    $109.93
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 20854454
    OEM GMC Sierra 2500 HD Catalytic Converter - 20854454
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 45.3 x 29.9 x 14.4 inches
    • Item Weight: 37.40 Pounds
    • Replaced by: 19418941
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 20854454
    OEM GMC Sierra 2500 HD Catalytic Converter - 20854454
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 45.3 x 29.9 x 14.4 inches
    • Item Weight: 37.40 Pounds
    • Replaced by: 19418941
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Catalytic Converter

    PartNumber: 20854454
    OEM GMC Sierra 2500 HD Catalytic Converter - 20854454
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 45.3 x 29.9 x 14.4 inches
    • Item Weight: 37.40 Pounds
    • Replaced by: 19418941
    • Part Description: GMC Sierra 2500 HD Catalytic Converter
    More Info
    $2125.29 MSRP: $3192.92
    You Save: $1067.63 (34%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra 2500 HD - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra 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: GMC Sierra 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    $185.78
  • Victor Reinz Exhaust Manifold Gasket Set for GMC Sierra 2500 HD - 11-10308-01

    Victor Reinz® Exhaust Manifold Gasket Set for GMC Sierra 2500 HD

    PartNumber: 11-10308-01
    Product Specifications
    • Bolt Hole Quantity: 8
    • Color: Color May Vary
    • Complete: Y
    • Configuration: Two Piece
    • Contains Applications: Y
    • Material: Metal
    • Release Wave: 02/28/2020
    • Thickness: 0.0450
    • UPC: 023913654634
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold Gasket Set
    More Info
    $43.10
  • Walker Aluminized Steel Exhaust Extension Pipe for GMC Sierra 2500 HD - 54717

    Walker® Aluminized Steel Exhaust Extension Pipe for GMC Sierra 2500 HD

    PartNumber: 54717
    Product Specifications
    • 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: GMC Sierra 2500 HD Aluminized Steel Exhaust Extension Pipe
    More Info
    $29.65
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra 2500 HD - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra 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: GMC Sierra 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    $120.88
  • Victor Reinz Fiber And Metal Exhaust Pipe Flange Gasket for GMC Sierra 2500 HD - 71-13959-00

    Victor Reinz® Fiber And Metal Exhaust Pipe Flange Gasket for GMC Sierra 2500 HD

    PartNumber: 71-13959-00
    Product Specifications
    • Bolt Hole Quantity: 4
    • Inside Diameter: 3.610"
    • Location: At Converter
    • Material: Fiber and Metal
    • Thickness: 0.055"
    • Type: Flat
    • UPC: 023913675028
    • Part Description: GMC Sierra 2500 HD Fiber And Metal Exhaust Pipe Flange Gasket
    More Info
    $13.93
  • Walker Aluminized Steel Exhaust Extension Pipe for GMC Sierra 2500 HD - 53727

    Walker® Aluminized Steel Exhaust Extension Pipe for GMC Sierra 2500 HD

    PartNumber: 53727
    Product Specifications
    • 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: GMC Sierra 2500 HD Aluminized Steel Exhaust Extension Pipe
    More Info
    $19.04
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra 2500 HD - 674-522

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra 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: GMC Sierra 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    $86.02
  • OEM (Genuine) GMC Sierra 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM GMC Sierra 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: GMC Sierra 2500 HD Mount Insulator
    More Info
    $21.22 MSRP: $33.38
    You Save: $12.16 (37%)
  • OEM (Genuine) GMC Sierra 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM GMC Sierra 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: GMC Sierra 2500 HD Mount Insulator
    More Info
    $21.22 MSRP: $33.38
    You Save: $12.16 (37%)
  • OEM (Genuine) GMC Sierra 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM GMC Sierra 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: GMC Sierra 2500 HD Mount Insulator
    More Info
    $21.22 MSRP: $33.38
    You Save: $12.16 (37%)
  • OEM (Genuine) GMC Sierra 2500 HD Mount Insulator

    PartNumber: 15092802
    OEM GMC Sierra 2500 HD Mount Insulator - 15092802
    Product Specifications
    • Item Dimensions: 5.1 x 2.6 x 1.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15740212
    • Part Description: GMC Sierra 2500 HD Mount Insulator
    More Info
    $21.22 MSRP: $33.38
    You Save: $12.16 (37%)
  • Victor Reinz Exhaust Pipe Flange Gasket for GMC Sierra 2500 HD - 71-14476-00

    Victor Reinz® Exhaust Pipe Flange Gasket for GMC Sierra 2500 HD

    PartNumber: 71-14476-00
    Product Specifications
    • Location: Pipe to Manifold
    • Position: Passenger Side
    • UPC: 023913679538
    • Part Description: GMC Sierra 2500 HD Exhaust Pipe Flange Gasket
    More Info
    $12.05
  • Dorman Stainless Steel Silver Metal V Band Exhaust Manifold Clamp for GMC Sierra 2500 HD - 904-254

    Dorman® Stainless Steel Silver Metal V Band Exhaust Manifold Clamp for GMC Sierra 2500 HD

    PartNumber: 904-254
    Product Specifications
    • 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: GMC Sierra 2500 HD Stainless Steel Silver Metal V Band Exhaust Manifold Clamp
    More Info
    $48.20
  • Walker High Temperature Graphite for GMC Sierra 2500 HD - 31591

    Walker® High Temperature Graphite for GMC Sierra 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: GMC Sierra 2500 HD High Temperature Graphite
    More Info
    $14.47
  • Walker Aluminized Steel Id Od Exhaust Pipe Connector for GMC Sierra 2500 HD - 41974

    Walker® Aluminized Steel Id Od Exhaust Pipe Connector for GMC Sierra 2500 HD

    PartNumber: 41974
    Product Specifications
    • 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: GMC Sierra 2500 HD Aluminized Steel Id Od Exhaust Pipe Connector
    More Info
    $12.80
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