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Replacement and OEM Parts for GMC Sierra 2500 HD Exhaust Manifold
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GMC Sierra 2500 HD Exhaust Manifold

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Exhaust Manifolds, Pipes & Mufflers
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23 Products found

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  • 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%)
  • 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
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12637647
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12637647
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 19.3 x 5.3 x 4.9 inches
    • Item Weight: 9.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $282.02 MSRP: $447.77
    You Save: $165.75 (38%)
  • 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
  • OEM (Genuine) GMC Sierra 2500 HD Manifold

    PartNumber: 12677665
    OEM GMC Sierra 2500 HD Manifold - 12677665
    Product Specifications
    • 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: GMC Sierra 2500 HD Manifold
    More Info
    $202.37 MSRP: $321.33
    You Save: $118.96 (38%)
  • 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 Exhaust Manifold

    PartNumber: 12624683
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12624683
    Product Specifications
    • 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: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $300.14 MSRP: $447.77
    You Save: $147.63 (33%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra 2500 HD - 674-525

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra 2500 HD

    PartNumber: 674-525
    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: 12562236, 12562333, 12564157, 12564161, 12605246
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495064985
    • Part Description: GMC Sierra 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    $79.68
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra 2500 HD - 674-731

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra 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: GMC Sierra 2500 HD Cast Iron Natural Exhaust Manifold
    More Info
    $68.56
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12686303
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12686303
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 6.9 x 22.2 x 11.6 inches
    • Item Weight: 19.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12610962
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $431.50 MSRP: $685.12
    You Save: $253.62 (38%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12686302
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12686302
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 25.0 x 9.7 x 8.1 inches
    • Item Weight: 12.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12647717, 12612084, 12677663
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $485.22 MSRP: $770.41
    You Save: $285.19 (38%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12610962
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12610962
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 7.1 x 22.0 x 11.7 inches
    • Item Weight: 19.10 Pounds
    • Replaced by: 12686303
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $431.50 MSRP: $685.12
    You Save: $253.62 (38%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12690202
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12690202
    Product Specifications
    • Item Dimensions: 23.6 x 9.5 x 8.5 inches
    • Item Weight: 12.80 Pounds
    • Replaced by: 12701715
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $242.94 MSRP: $366.43
    You Save: $123.49 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12701715
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12701715
    Product Specifications
    • Other Names: Exhaust Manifold
    • Fitment Type: Direct Replacement
    • Replaces: 12690202
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $242.94 MSRP: $366.43
    You Save: $123.49 (34%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12679988
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12679988
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 17.3 x 4.2 x 4.2 inches
    • Item Weight: 3.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12708010
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $70.27 MSRP: $111.59
    You Save: $41.32 (38%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12690201
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12690201
    Product Specifications
    • Item Dimensions: 24.3 x 9.8 x 8.8 inches
    • Item Weight: 13.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12701714
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $204.49 MSRP: $324.62
    You Save: $120.13 (38%)
  • OEM (Genuine) GMC Sierra 2500 HD Exhaust Manifold

    PartNumber: 12676607
    OEM GMC Sierra 2500 HD Exhaust Manifold - 12676607
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 17.4 x 6.7 x 4.8 inches
    • Item Weight: 4.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12708009
    • Part Description: GMC Sierra 2500 HD Exhaust Manifold
    More Info
    $61.01 MSRP: $100.98
    You Save: $39.97 (40%)
  • OEM (Genuine) GMC Sierra 2500 HD Manifold

    PartNumber: 12601751
    OEM GMC Sierra 2500 HD Manifold - 12601751
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 29.3 x 9.4 x 9.1 inches
    • Item Weight: 14.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Manifold
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Manifold

    PartNumber: 12605246
    OEM GMC Sierra 2500 HD Manifold - 12605246
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 9.7 x 8.1 x 25.7 inches
    • Item Weight: 14.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12564157, 12562236
    • Part Description: GMC Sierra 2500 HD Manifold
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Engine Exhaust Manifold (Machining)

    PartNumber: 12557286
    OEM GMC Sierra 2500 HD Engine Exhaust Manifold (Machining) - 12557286
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 22.5 x 11.4 x 6.9 inches
    • Item Weight: 12.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Engine Exhaust Manifold (Machining)
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Engine Exhaust Manifold (Machining)(W/Out Air Injector Reactor)

    PartNumber: 12557287
    OEM GMC Sierra 2500 HD Engine Exhaust Manifold (Machining)(W/Out Air Injector Reactor) - 12557287
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 25.5 x 10.5 x 6.2 inches
    • Item Weight: 16.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Engine Exhaust Manifold (Machining)(W/Out Air Injector Reactor)
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Engine Exhaust Manifold

    PartNumber: 97224587
    OEM GMC Sierra 2500 HD Engine Exhaust Manifold - 97224587
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 23.9 x 4.6 x 4.8 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Engine Exhaust Manifold
    More Info
  • OEM (Genuine) GMC Sierra 2500 HD Engine Exhaust Manifold (Machining) (W/ A.I.R)

    PartNumber: 12555621
    OEM GMC Sierra 2500 HD Engine Exhaust Manifold (Machining) (W/ A.I.R) - 12555621
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 25.6 x 8.6 x 5.4 inches
    • Item Weight: 13.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra 2500 HD Engine Exhaust Manifold (Machining) (W/ A.I.R)
    More Info