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2003 Gmc Sierra 3500 Engine Parts

Save up to 40% on original replacement 2003 GMC Sierra 3500 maintenance and repair parts. Over 1,000 high-quality, direct-fit parts for a 2003 GMC Sierra 3500, offered by well-known brands such as DORMAN, BWD, SEALED POWER. Find Brakes, Engine, Suspension, and many more truck parts with our easy-to-use online catalogue.
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$133.41
In Stock
Brand: BWD
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
$154.46
In Stock
Brand: BWD
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
$51.75
In Stock
Brand: BWD
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
$10.90
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Use: Crankshaft Narrow lip .780" sleeve length Requires crankshaft machining due to clearance issues Use w/installation tool
1 Year Warranty
$10.90
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Use: Crankshaft Wide lip 1.156" sleeve length Requires crankshaft machining due to clearance issues Use w/installation tool
1 Year Warranty
$53.85
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Use: Crankshaft
1 Year Warranty
$49.48
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Loc: L.H. Head bolts not incl. Head bolt replacement recommended
1 Year Warranty
$49.48
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Loc: R.H. Head bolts not incl. Head bolt replacement recommended
1 Year Warranty
$70.23
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Head bolts not incl. Head bolt replacement recommended PermaTorqueMLS LaserWeld Technology
1 Year Warranty
$18.46
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Optional Garrett T3 turbocharger Turbo mounting flange Premium HTA material
1 Year Warranty
$1.91
$1.49
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
1 Year Warranty
$66.13
$28.98
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Type: Rear Main Seal Set PTFE Rubber One-piece Protective sleeve/Installation tool incl.
1 Year Warranty
$46.64
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Type: Rear Main Seal Set Wear sleeve incl. PTFE Rubber One-piece Protective sleeve/Installation tool incl.
1 Year Warranty
$60.85
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Type: Rear Main Seal Set Rubber One-piece
1 Year Warranty
$410.40
$190.93
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
PermaDry molded rubber oil pan gskt. incl.
1 Year Warranty
$169.23
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
RTV sealant incl. for Upper oil pan gskt.
1 Year Warranty
$268.70
$229.89
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
PermaDry molded rubber oil pan gskt. incl.
1 Year Warranty
$65.86
$29.65
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
1st Design Replacement recommended
1 Year Warranty
$58.93
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Replacement recommended
1 Year Warranty
$104.99
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 2
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Head bolts w/Washers Replacement recommended Old design
1 Year Warranty
$698.56
$324.99
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Head bolts & exh. pipe packing not incl. Head bolt replacement recommended PermaDry molded rubber valve cover gskts. incl. Premium valve stem seals incl.
1 Year Warranty
$391.14
$334.68
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Head bolts not incl. Head bolt replacement recommended PermaDryPlus int. manifold gskts. incl. PermaDry molded rubber valve cover gskts. incl. Premium valve stem seals incl.
1 Year Warranty
$362.48
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Type: Head Gasket Set w/o Head Gasket Head gskts. & head bolts not incl. Head bolt replacement recommended RTV sealant incl. for intake manifold gskts. PermaDry molded rubber valve cover gskts. incl. Premium valve stem seals incl.
1 Year Warranty
$62.67
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
1 Year Warranty
$34.76
$16.15
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
1 Year Warranty
$38.62
$17.52
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
1 Year Warranty
$144.81
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
1 Year Warranty
$106.22
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
PermaDryPlus int. manifold gskts. incl.
1 Year Warranty
$70.41
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
PermaDry molded rubber gskt. incl.
1 Year Warranty
$43.51
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
PermaDry molded rubber gskt. incl.
1 Year Warranty
$39.32
$18.29
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Loc: Lower
1 Year Warranty
$62.16
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Premium valve stem seals incl.
1 Year Warranty
$76.85
$32.67
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
2nd Design Top-Hat Design seal Premium valve stem seals incl.
1 Year Warranty
$64.25
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Premium valve stem seals incl.
1 Year Warranty
$69.51
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Must be used w/OS 30693R
1 Year Warranty
$83.80
$38.98
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
1 Year Warranty
$41.53
$19.30
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
w/o Grommets PermaDry molded rubber gskts. incl.
1 Year Warranty
$33.40
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
w/Grommets PermaDry molded rubber gskts. incl.
1 Year Warranty
$11.23
$6.93
In Stock
Brand: Fram
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0);
Vehicle Fitment Notes:
Spin-on Oil Filter
$11.23
$6.93
In Stock
Brand: Fram
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Spin-on Oil Filter