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2003 Chevrolet Avalanche 2500 Engine Parts

Save up to 40% on original replacement 2003 Chevrolet Avalanche 2500 maintenance and repair parts. Over 1,000 high-quality, direct-fit parts for a 2003 Chevrolet Avalanche 2500, offered by well-known brands such as DORMAN, BWD, RAYBESTOS. Find Brakes, Engine, Suspension, and many more truck parts with our easy-to-use online catalogue.
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$50.48
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
$50.48
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
$1.91
$2.03
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
$47.57
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
$410.40
$211.77
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
$60.10
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
$698.56
$360.49
In Stock
Brand: Fel-Pro
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
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
$38.62
$22.57
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
$147.71
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
$44.37
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
$63.39
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
$83.80
$47.79
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
$34.07
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 Notes:
Spin-on Oil Filter
$20.32
In Stock
Brand: SKF
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
2 Year Warranty.
$90.60
$50.15
In Stock
Brand: Timken
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
3 Year Warranty.
$45.13
In Stock
Brand: BWD
Condition: New
Quantity Required: 1
$57.63
In Stock
Brand: BWD
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
$69.14
In Stock
Brand: SKF
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
2 Year Warranty.
$42.63
$24.27
In Stock
Brand: Timken
Condition: New
Quantity Required: 1
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
3 Year Warranty.
Call for Pricing
In Stock
Brand: Fram
Condition: New
Quantity Required: 1
Vehicle Fitment Notes:
Spin-on Oil Filter Fleet Pack Fleet Pack
Core charge: $53.90
$331.57
In Stock
Brand: A1 Cardone
Condition: Remanufactured
Quantity Required: 1
Vehicle Fitment Notes:
with OE # 12581565 Vehicle specific Flash programming req'd ON or OFF the vehicle.Accurate VIN and mileage are req'd. Additional vehicle specific on-car programming must be performed AFTER installation to prevent drivability and starting issues.
3 Year Warranty
$36.35
$24.25
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade Performance Series P Series (Tri-Metal) Size Standard Notes No Dowel Hole In Cap Half
$36.35
$24.25
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade Performance Series P Series (Tri-Metal) Size .001in Undersize Notes No Dowel Hole In Cap Half
$11.11
$7.41
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade OE Replacement Series A Series (Aluminum) Size Standard
$10.99
$7.33
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade OE Replacement Series A Series (Aluminum) Size .001in Undersize
$11.11
$7.41
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade OE Replacement Series A Series (Aluminum) Size .010in Undersize
$11.11
$7.41
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade OE Replacement Series A Series (Aluminum) Size .020in Undersize
$11.11
$7.41
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade OE Replacement Series A Series (Aluminum) Size .030in Undersize
$11.11
$7.41
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade OE Replacement Series A Series (Aluminum) Size .040in Undersize
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size Standard Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .001in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .010in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .011in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .019in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .020in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .021in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .030in Undersize Suffix N - Narrowed
$32.83
$21.90
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size .009in Undersize Suffix N - Narrowed
$34.47
$23.00
In Stock
Brand: Clevite
Condition: New
Quantity Required: 8
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Material Grade High Performance Series H Series (Tri-Metal) Size Standard Suffix ND - Narrowed / Doweled Connecting Rod