Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for GMC Exhaust Manifold
Select your vehicle for the best product fit
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

GMC Exhaust Manifold

< Back to View All
Exhaust Manifolds, Pipes & Mufflers
  • Department
  • Brands
  • Prices

254 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12616286
    OEM GMC Exhaust Manifold - 12616286
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 25.4 x 9.7 x 8.1 inches
    • Item Weight: 12.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12602038, 12578341
    • Part Description: GMC Exhaust Manifold
    More Info
    $201.01 MSRP: $319.20
    You Save: $118.19 (38%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-999

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-999
    Product Specifications
    • Bolt Hole Quantity: 3
    • 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: 12604220, 12607896
    • Package Quantity: 1
    • UPC: 019495025542
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $642.69
  • OEM (Genuine) GMC Engine Exhaust Manifold

    PartNumber: 12616285
    OEM GMC 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 Engine Exhaust Manifold
    More Info
    $90.69 MSRP: $162.96
    You Save: $72.27 (45%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-703

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    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: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $631.87
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-989

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    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: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $608.08
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12655846
    OEM GMC 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: GMC Exhaust Manifold
    More Info
    $1707.17 MSRP: $2571.77
    You Save: $864.60 (34%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-851

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-851
    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: 12571604
    • Package Quantity: 1
    • Position: Front
    • UPC: 019495265962
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $453.35
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12672961
    OEM GMC Exhaust Manifold - 12672961
    Product Specifications
    • Item Dimensions: 9.8 x 8.5 x 19.5 inches
    • Item Weight: 9.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12609823, 12633603
    • Part Description: GMC Exhaust Manifold
    More Info
    $289.89 MSRP: $432.47
    You Save: $142.58 (33%)
  • OEM (Genuine) GMC Manifold

    PartNumber: 12600527
    OEM GMC 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: GMC Manifold
    More Info
    $127.41 MSRP: $190.09
    You Save: $62.68 (33%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-887

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-887
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 2
    • Gasket or Seal Included: Yes
    • Header Material: Cast Iron
    • Heat Shield Included: No
    • Inlet Port Shape: Round
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 8
    • OE Part Number: 10112349
    • Package Quantity: 1
    • UPC: 019495385479
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $303.19
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12637647
    OEM GMC 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 Exhaust Manifold
    More Info
    $282.02 MSRP: $447.77
    You Save: $165.75 (38%)
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12607896
    OEM GMC Exhaust Manifold - 12607896
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 23.6 x 20.2 x 12.5 inches
    • Item Weight: 22.90 Pounds
    • Replaced by: 19420196
    • Part Description: GMC Exhaust Manifold
    More Info
    $1651.72 MSRP: $2478.64
    You Save: $826.92 (34%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-860

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-860
    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: Rectangle
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 6
    • OE Part Number: 12552801, 12555002, 8-12552-801-0, 8-93802-339-0, 93802339
    • Package Quantity: 1
    • Position: Driver Side
    • UPC: 019495289241
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $195.48
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 19420196
    OEM GMC Exhaust Manifold - 19420196
    Product Specifications
    • Other Names: Exhaust Manifold
    • Fitment Type: Direct Replacement
    • Replaces: 12607896, 12604220
    • Part Description: GMC Exhaust Manifold
    More Info
    $1651.72 MSRP: $2478.64
    You Save: $826.92 (34%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-736

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $185.78
  • OEM (Genuine) GMC Manifold

    PartNumber: 12600526
    OEM GMC Manifold - 12600526
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Item Dimensions: 21.3 x 18.9 x 8.7 inches
    • Item Weight: 13.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Manifold
    More Info
    $112.16 MSRP: $178.09
    You Save: $65.93 (38%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-675

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-675
    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: 8
    • OE Part Number: 12569057, 24577360
    • Package Quantity: 1
    • UPC: 019495152620
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $171.39
  • OEM (Genuine) GMC Manifold

    PartNumber: 12677665
    OEM GMC 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 Manifold
    More Info
    $202.37 MSRP: $321.33
    You Save: $118.96 (38%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-523

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    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 Cast Iron Natural Exhaust Manifold
    More Info
    $166.67
  • OEM (Genuine) GMC Manifold

    PartNumber: 12629337
    OEM GMC Manifold - 12629337
    Product Specifications
    • Other Names: Manifold
    • Item Dimensions: 8.0 x 20.7 x 12.2 inches
    • Item Weight: 11.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Manifold
    More Info
    $140.33 MSRP: $222.81
    You Save: $82.48 (38%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-653

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-653
    Product Specifications
    • Finish: Natural
    • Flange Bolt Hole Quantity: 0
    • Flange Stud Hole Quantity: 2
    • 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: 14014500
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495152484
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $158.86
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12624683
    OEM GMC 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 Exhaust Manifold
    More Info
    $300.14 MSRP: $447.77
    You Save: $147.63 (33%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-869

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-869
    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: Irregular
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 9
    • OE Part Number: 12597166, 12637060, 8-12597-166-0
    • Package Quantity: 1
    • UPC: 019495289265
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $154.50
  • OEM (Genuine) GMC Manifold

    PartNumber: 19418950
    OEM GMC Manifold - 19418950
    Product Specifications
    • Other Names: Exhaust Manifold, Manifold
    • Fitment Type: Direct Replacement
    • Replaces: 12655846, 12607895, 12604221
    • Part Description: GMC Manifold
    More Info
    $1707.17 MSRP: $2571.77
    You Save: $864.60 (34%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-785

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    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: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $137.82
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12672285
    OEM GMC Exhaust Manifold - 12672285
    Product Specifications
    • Item Dimensions: 19.1 x 12.9 x 5.4 inches
    • Item Weight: 10.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12656404
    • Part Description: GMC Exhaust Manifold
    More Info
    $228.79 MSRP: $341.33
    You Save: $112.54 (33%)
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12592082
    OEM GMC Exhaust Manifold - 12592082
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 22.4 x 12.0 x 7.0 inches
    • Item Weight: 11.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Exhaust Manifold
    More Info
    $177.52 MSRP: $246.00
    You Save: $68.48 (28%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-777

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-777
    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: Oval
    • Installation Hardware Included: Yes
    • Item Grade: Regular
    • Manifold Bolt Hole Quantity: 11
    • OE Part Number: 8-88890-560-0, 88890560
    • Package Quantity: 1
    • UPC: 019495152774
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $134.06
  • OEM (Genuine) GMC Exhaust Manifold

    PartNumber: 12574320
    OEM GMC Exhaust Manifold - 12574320
    Product Specifications
    • Other Names: Exhaust Manifold
    • Item Dimensions: 24.9 x 9.6 x 8.2 inches
    • Item Weight: 13.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Exhaust Manifold
    More Info
    $158.20 MSRP: $251.19
    You Save: $92.99 (38%)
  • Dorman Cast Iron Natural Exhaust Manifold for GMC - 674-390

    Dorman® Cast Iron Natural Exhaust Manifold for GMC

    PartNumber: 674-390
    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: 10221960, 12553146
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 019495058748
    • Part Description: GMC Cast Iron Natural Exhaust Manifold
    More Info
    $145.83
1-30 of 254 Results
< Previous
12345
Next >