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Genuine 2003 GMC Sierra Head Gasket

Engine Cylinder Head Gasket
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19 Head Gaskets found

  • 2003 GMC Sierra Head Gasket - 12637788
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    2003 GMC Sierra Gasket, Cyl Head (Grade C)

    Part Number: 12637788
    $75.52 MSRP: $112.68
    You Save: $37.16 (33%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 97288225, 98045057, 97378101, 97333724, 97309561, 98030630
    • Item Weight: 2.30 Pounds
    • Item Dimensions: 24.2 x 6.3 x 6.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12637788
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1 TON CREW CAB, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 12637789
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    2003 GMC Sierra Gasket, Cyl Head (Grade B)

    Part Number: 12637789
    $40.88 MSRP: $85.38
    You Save: $44.50 (53%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 97333723, 97378100, 97288224, 97309560, 98045056, 97389254, 98030629
    • Item Weight: 1.10 Pounds
    • Item Dimensions: 22.2 x 9.2 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12637789
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1 TON CREW CAB, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 12589227
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    2003 GMC Sierra Gasket,Cyl Head

    Part Number: 12589227
    $57.51 MSRP: $90.49
    You Save: $32.98 (37%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket, Valve Grind Gasket Kit
    • Replaces: 12575392, 12569365
    • Item Weight: 1.20 Pounds
    • Item Dimensions: 20.6 x 8.9 x 0.3 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12589227
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
  • 2003 GMC Sierra Head Gasket - 12637787
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    2003 GMC Sierra Gasket, Cyl Head (Grade A)

    Part Number: 12637787
    $47.67 MSRP: $76.05
    You Save: $28.38 (38%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 97288226, 97378102, 98030631, 98045058, 97333725, 97309562
    • Item Weight: 1.30 Pounds
    • Item Dimensions: 9.1 x 21.7 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12637787
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1 TON CREW CAB, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 12575329
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    2003 GMC Sierra Gasket,Cyl Head

    Part Number: 12575329
    $44.01 MSRP: $69.23
    You Save: $25.22 (37%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 12565391
    • Item Weight: 1.20 Pounds
    • Item Dimensions: 20.4 x 8.8 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12575329
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex
  • 2003 GMC Sierra Head Gasket - 12637790
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    2003 GMC Sierra Gasket, Cyl Head (Grade A)

    Part Number: 12637790
    $41.59 MSRP: $65.43
    You Save: $23.84 (37%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 97309559, 97333722, 97378099, 98045055, 98030628, 97288223
    • Item Weight: 1.00 Pounds
    • Item Dimensions: 21.9 x 9.1 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12637790
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1 TON CREW CAB, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 12637785
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    2003 GMC Sierra Gasket, Cyl Head (Grade C)

    Part Number: 12637785
    $68.07 MSRP: $112.69
    You Save: $44.62 (40%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 98030633, 97288228, 97389258, 97309564, 97378104, 97333727, 98045060
    • Item Weight: 1.10 Pounds
    • Item Dimensions: 21.5 x 8.9 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12637785
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1 TON CREW CAB, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 89017252
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    2003 GMC Sierra Gasket Kit,Cyl Head

    Part Number: 89017252
    $200.80 MSRP: $317.38
    You Save: $116.58 (37%)
    ADD TO CART
    Product Specifications
    • Other Name: GASKET KIT, Engine Cylinder Head; Valve Grind Gasket Kit
    • Item Weight: 3.40 Pounds
    • Item Dimensions: 26.8 x 8.9 x 4.3 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 89017252
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex
  • 2003 GMC Sierra Head Gasket - 19368586
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    2003 GMC Sierra Gasket Kit,Cyl Head

    Part Number: 19368586
    $260.41 MSRP: $453.23
    You Save: $192.82 (43%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET KIT,CYL HD
    • Replaces: 19353829
    • Item Weight: 1.30 Pounds
    • Item Dimensions: 24.7 x 2.0 x 16.5 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19368586
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex
  • 2003 GMC Sierra Head Gasket - 98040128
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    2003 GMC Sierra Gasket, Cyl Head, .75 Mm Outside

    Part Number: 98040128
    $66.55 MSRP: $165.46
    You Save: $98.91 (60%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head
    • Replaces: 97358467
    • Item Weight: 0.70 Pounds
    • Item Dimensions: 22.5 x 9.2 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 98040128
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 98040130
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    2003 GMC Sierra Gasket, Cyl Head, Lh .75 Mm Outside

    Part Number: 98040130
    $77.18 MSRP: $161.20
    You Save: $84.02 (53%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head
    • Replaces: 97358468
    • Item Weight: 0.70 Pounds
    • Item Dimensions: 21.6 x 9.2 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 98040130
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 12552362
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    2003 GMC Sierra Gasket,Cyl Head

    Part Number: 12552362
    $39.25 MSRP: $61.75
    You Save: $22.50 (37%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket, Valve Cover Gasket
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 18.7 x 11.0 x 0.3 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12552362
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L
  • 2003 GMC Sierra Head Gasket - 12637786
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    2003 GMC Sierra Gasket, Cyl Head (Grade B)

    Part Number: 12637786
    $39.35 MSRP: $65.13
    You Save: $25.78 (40%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 97288227, 97378103, 97333726, 97309563, 97389257, 98045059, 98030632
    • Item Weight: 1.10 Pounds
    • Item Dimensions: 22.2 x 8.9 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12637786
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1 TON CREW CAB, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 89017253
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    2003 GMC Sierra Gasket Kit,Cyl Head

    Part Number: 89017253
    $296.71 MSRP: $468.97
    You Save: $172.26 (37%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: GASKET KIT, Engine Cylinder Head; Valve Grind Gasket Kit
    • Item Weight: 4.20 Pounds
    • Item Dimensions: 25.0 x 10.1 x 8.1 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 89017253
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.0L
  • 2003 GMC Sierra Head Gasket - 12558163
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    2003 GMC Sierra Gasket, Cyl Head

    Part Number: 12558163
    $36.32 MSRP: $57.14
    You Save: $20.82 (37%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 88894346, 12580691
    • Item Weight: 1.30 Pounds
    • Item Dimensions: 9.6 x 23.4 x 0.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12558163
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 8.1L
  • 2003 GMC Sierra Head Gasket - 12558164
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    2003 GMC Sierra Gasket, Cyl Head

    Part Number: 12558164
    $40.48 MSRP: $67.00
    You Save: $26.52 (40%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET, Engine Cylinder Head; Head Gasket
    • Replaces: 12580692
    • Item Weight: 1.30 Pounds
    • Item Dimensions: 25.4 x 10.6 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12558164
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 8.1L
  • 2003 GMC Sierra Head Gasket - 89017458
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    2003 GMC Sierra Gasket Kit,Cyl Head

    Part Number: 89017458
    $140.49 MSRP: $222.04
    You Save: $81.55 (37%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: GASKET KIT, Engine Cylinder Head; Valve Grind Gasket Kit
    • Replaces: 12529197, 12369150
    • Item Weight: 1.10 Pounds
    • Item Dimensions: 23.0 x 9.6 x 1.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 89017458
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L
  • 2003 GMC Sierra Head Gasket - 97729798
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    2003 GMC Sierra Gasket Kit,Cyl Head (Less Head Gaskets)

    Part Number: 97729798
    $373.30 MSRP: $590.02
    You Save: $216.72 (37%)
    Product Specifications
    • Other Name: GASKET KIT, Engine Cylinder Head; Valve Grind Gasket Kit
    • Replaces: 97727232
    • Item Weight: 2.10 Pounds
    • Item Dimensions: 7.7 x 21.5 x 1.2 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 97729798
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Head Gasket - 88894351
    View related parts

    2003 GMC Sierra Gasket Kit,Cyl Head

    Part Number: 88894351
    Product Specifications
    • Other Name: GASKET KIT, Engine Cylinder Head
    • Item Weight: 1.20 Pounds
    • Item Dimensions: 31.2 x 10.4 x 3.5 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88894351
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.0L

2003 GMC Sierra Head Gasket

Achieve unprecedented performance experience with our genuine 2003 GMC Sierra Head Gasket. All our parts are engineered for a perfect fit and maximum durability to ensure that your Sierra returns to factory condition. Specially designed for the 2003 GMC Sierra, this Head Gasket offers superior reliability and ease of installation for anyone.

We are your prime source for competitively priced and high-quality OEM 2003 GMC Sierra Head Gasket. We provide you with parts that will allow you to save a lot of money without sacrificing quality. All our OEM parts are backed by the manufacturer's warranty and shipped out at a swift rate.

Related 2003 GMC Sierra Parts

Alternate Year Models

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2002 GMC Sierra Head Gasket 2004 GMC Sierra Head Gasket