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

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Exhaust Manifolds, Pipes & Mufflers
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  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • OEM GMC Sierra Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) GMC Sierra Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC Sierra 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 Engine Exhaust Manifold
    More Info
    $145.31 MSRP: $171.88
    You Save: $26.57 (16%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-495

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    PartNumber: 674-495
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 8
    • Flange Stud Hole Quantity: 0
    • Gasket or Seal Included: Yes
    • Grade Type: Regular
    • Header Material: Cast Iron
    • Heat Shield Included: No
    • Inlet Port Shape: Oval
    • Installation Hardware Included: Yes
    • Manifold Bolt Hole Quantity: 5
    • O2 Sensor: without O2 Sensor Port
    • OE Part Number: 12629337
    • Position: Driver Side
    • Tube Wall Thickness: 0.43"
    • UPC: 889245247797
    • Part Description: GMC Sierra Cast Iron Natural Exhaust Manifold
    More Info
    $90.42
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-523

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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: GMC Sierra Cast Iron Natural Exhaust Manifold
    More Info
    $183.96
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-523

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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: GMC Sierra Cast Iron Natural Exhaust Manifold
    More Info
    $183.96
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $139.49
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $139.49
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $139.49
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $192.53
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $192.53
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $192.53
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $192.53
  • Dorman Cast Iron Natural Exhaust Manifold for GMC Sierra - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC Sierra

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $192.53
  • OEM GMC Sierra Exhaust Manifold Diagram - 12637647
    View Related Parts

    OEM (Genuine) GMC Sierra Exhaust Manifold

    PartNumber: 12637647
    OEM GMC Sierra 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 Exhaust Manifold
    More Info
    $297.46 MSRP: $472.28
    You Save: $174.82 (38%)
  • OEM GMC Sierra Exhaust Manifold Diagram - 12637647
    View Related Parts

    OEM (Genuine) GMC Sierra Exhaust Manifold

    PartNumber: 12637647
    OEM GMC Sierra 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 Exhaust Manifold
    More Info
    $297.46 MSRP: $472.28
    You Save: $174.82 (38%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
  • OEM GMC Sierra Manifold Diagram - 12677665
    View Related Parts

    OEM (Genuine) GMC Sierra Manifold

    PartNumber: 12677665
    OEM GMC Sierra 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 Manifold
    More Info
    $204.76 MSRP: $338.92
    You Save: $134.16 (40%)
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