Contact Us Live Chat or 1-888-860-1781

2003 GMC Sierra 2500 Engine Parts & Mounts, Timing, Lubrication System

Currently shopping for
2003 GMC Sierra 2500
Change Vehicle
Vehicle Options
8 Cyl 6.0 L GAS
Vehicle Options
8 Cyl 6.0 L GAS
Categories Close X

Currently selected

Other Categories

A/C & Heating
Air & Fuel Delivery
Belts & Cooling
Body & Hardware
Brakes
Charging & Starting
Driveline & Axles
Electrical
Emission Control & Exhaust
Headlights & Lighting
Interior & Exterior Trim
Maintenance & Lubrication
Steering
Suspension
Transmission
Categories Close X

Currently selected

Other Categories

A/C & Heating
Air & Fuel Delivery
Belts & Cooling
Body & Hardware
Brakes
Charging & Starting
Driveline & Axles
Electrical
Emission Control & Exhaust
Headlights & Lighting
Interior & Exterior Trim
Maintenance & Lubrication
Steering
Suspension
Transmission
2 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Engine - Engine parts
    2003 GMC Sierra 2500 Engine Parts & Mounts, Timing, Lubrication System Diagram 1 - Thumbnail
  • 2.Engine Parts & Mounts, Timing, Lubrication System
    2003 GMC Sierra 2500 Engine Parts & Mounts, Timing, Lubrication System Diagram 2 - Thumbnail
Sort by:
Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 4
    12637683
    Cover
    Valve Cover Gasket
    • Part Notes: All Models
    $34.05 $21.73
    1
    Add To Cart
  • 5 GMC 12579273 Oil Pan
    12579273
    Oil Pan
    • Part Notes: 4.8, 5.3 & 6.0 Liter Gas
    $527.73 $335.40
    1
    Add To Cart
  • 10
    12622055
    Dipstick
    • Part Notes: 4.8, 5.3 & 6.0 Liter Gas
    $32.77 $20.92
    1
    Add To Cart
  • 11
    12609269
    Oil Tube
    • Part Notes: 4.8, 5.3 & 6.0 Liter Gas
    $29.80 $19.02
    1
    Add To Cart
  • 22
    88894243
    Piston
    • Part Notes: All Models; 6.0l; Engine Code U
    $65.54 $41.84
    1
    Add To Cart