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Replacement and OEM Parts for 2003 GMC Sierra 1500 Exhaust Manifold

2003 GMC Sierra 1500 Exhaust Manifold

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2003 GMC Sierra 1500
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Exhaust Manifolds, Pipes & Mufflers
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  • OEM 2003 GMC Sierra 1500 Engine Exhaust Manifold Diagram - 12616285
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 Engine Exhaust Manifold

    PartNumber: 12616285
    OEM 2003 GMC Sierra 1500 Engine Exhaust Manifold - 12616285
    Product Specifications
    • Notes: All Models; 4.8l, 5.3l; Left; All;All Models; 6.0l; Left; All; 4.8 Liter Gas; 5.3 Liter Gas; 6.0 Liter Gas
    • Location: Driver Side
    • 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: 2003 GMC Sierra 1500 Engine Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $93.15 MSRP: $167.37
    You Save: $74.22 (45%)
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500 - 674-523

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500

    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: 2003 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
    $168.63
  • OEM 2003 GMC Sierra 1500 Exhaust Manifold Diagram - 12574320
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 Exhaust Manifold

    PartNumber: 12574320
    OEM 2003 GMC Sierra 1500 Exhaust Manifold - 12574320
    Product Specifications
    • Notes: 4.3 Liter Gas; All Models; 4.3l; Right; All
    • Location: Passenger Side
    • 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: 2003 GMC Sierra 1500 Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
    $162.48 MSRP: $257.98
    You Save: $95.50 (38%)
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500 - 674-524

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500

    PartNumber: 674-524
    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: 12560514, 12562407, 12574320, 12592083
    • Package Quantity: 1
    • Position: Passenger Side
    • UPC: 037495059886
    • Part Description: 2003 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
    $131.16
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500 - 674-732

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500

    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: 2003 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2003 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2003 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    Show More
    $137.52
  • Dorman Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500 - 674-522

    Dorman® Cast Iron Natural Exhaust Manifold for 2003 GMC Sierra 1500

    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: 2003 GMC Sierra 1500 Cast Iron Natural Exhaust Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
    • 2003 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
    • 2003 GMC Sierra 1500 | All Trims | 8 Cyl 6.0L
    Show More
    $95.43
  • OEM 2003 GMC Sierra 1500 Manifold Diagram - 12605246
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 Manifold

    PartNumber: 12605246
    OEM 2003 GMC Sierra 1500 Manifold - 12605246
    Product Specifications
    • Notes: All Models; 4.8l, 5.3l; Right; All;All Models; 6.0l; Right; All; 4.8 Liter Gas; 5.3 Liter Gas; 6.0 Liter Gas
    • Location: Passenger Side
    • 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: 2003 GMC Sierra 1500 Manifold
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
  • OEM 2003 GMC Sierra 1500 Engine Exhaust Manifold Assembly Diagram - 12574406
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 1500 Engine Exhaust Manifold Assembly

    PartNumber: 12574406
    OEM 2003 GMC Sierra 1500 Engine Exhaust Manifold Assembly - 12574406
    Product Specifications
    • Notes: 4.3 Liter Gas; All Models; 4.3l; Left; All
    • Location: Driver Side
    • Other Names: Exhaust Manifold
    • Item Dimensions: 25.2 x 10.0 x 8.0 inches
    • Item Weight: 11.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 1500 Engine Exhaust Manifold Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | Base, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS