1300+ 2003 Chevrolet Silverado 1500 Engine & Drivetrain Parts - Page 10

Engine & Drivetrain (1,300 products)

ACL Chevy V8 LS Gen III/IV .020 Oversized Main Bearing Set

ACL

Part # 5M7299H-020

Fits All Trims

ACL Chevy V8 LS Gen III/IV .020 Oversized Main Bearing Set

$181.73

Cometic GM LS Gen-3/4 Small Block V8 .070in MLS Cylinder Head Gasket - 3.910in Bore

Cometic Gasket

Part # C5475-070

Choose Trim

Cometic GM LS Gen-3/4 Small Block V8 .070in MLS Cylinder Head Gasket - 3.910in Bore

$131.62

Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Head Gasket

Cometic Gasket

Part # C5318-056

Fits All Trims

Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Head Gasket

$131.62

Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket

Cometic Gasket

Part # C5751-040

Fits All Trims

Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket

$97.74

Cognito

Part # 210-91023

Fits All Trims

Cognito 99-16 Chevy/GMC Silverado/Sierra 2500/3500 HD CV Front Driveline Kit for 4-6in Lift

$779.47

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 3.73 Ratio w/Axle Bearings + Seal

Yukon Gear & Axle

Part # YGK2022

Choose Trim

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 3.73 Ratio w/Axle Bearings + Seal

$878.89

Dorman

Part # 594-181

Fits All Trims

Harmonic Balancer Assembly

$65.30

Fel-Pro

Part # 522SD

Choose Trim

Fel-Pro Chevrolet S10 522 SD Severe Duty Engine Cylinder Head Gasket

$53.32

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 5.13 Ratio

Yukon Gear & Axle

Part # YG GM8.5-513

Choose Trim

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 5.13 Ratio

$504.89

Cometic GM LS1 SB 4.060in Bore .060 inch MLS Head Gasket

Cometic Gasket

Part # C5751-060

Fits All Trims

Cometic GM LS1 SB 4.060in Bore .060 inch MLS Head Gasket

$131.62

Dorman

Part # 929-724

Fits All Trims

U-Bolt Repair Kit

$39.57

COMP Cams

Part # 54-469-11

Choose Trim

COMP Cams Camshaft LS1 281Lrr HR-113

$442.84

Nitrous Express

Part # 20933-05

Fits All Trims

Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/5lb Bottle

$957.35

Edelbrock

Part # 22716

Fits All Trims

Edelbrock Spark Plug Wire Set LS Truck w/ Metal Sleeves 99-15 50 Ohm Resistance Red Wire (Set of 8)

$106.95

COMP Cams

Part # SK09-420-8

Choose Trim

COMP Cams Camshaft Kit C43 270H-R10

$940.21

Cometic GM LS1 SB 4.060 inch Bore .036 inch MLS Head Gasket

Cometic Gasket

Part # C5751-036

Fits All Trims

Cometic GM LS1 SB 4.060 inch Bore .036 inch MLS Head Gasket

$97.74

Yukon Gear Yoke For 10+ GM 9.5in Rear. 1415 U/Joint Size / Strap Design

Yukon Gear & Axle

Part # YY GM19256396

Choose Trim

Yukon Gear Yoke For 10+ GM 9.5in Rear. 1415 U/Joint Size / Strap Design

$196.89

Granatelli 96-22 GM LS Tall Valve Cover w/Integral Angled Coil Mounts - Red Wrinkle (Pair)

Granatelli Motor Sports

Part # 640363

Fits All Trims

Granatelli 96-22 GM LS Tall Valve Cover w/Integral Angled Coil Mounts - Red Wrinkle (Pair)

$237.91

Clevite

Part # CB663P2

Fits All Trims

Clevite Chevy V8 305-350-400 1967-95 Con Rod Bearing Set

$23.60

COMP Cams

Part # SK09-435-8

Choose Trim

COMP Cams Camshaft Kit C43 251HR-14

$940.21

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Silverado 1500?

This page groups parts listed for the 2003 Chevrolet Silverado 1500. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What engine & drivetrain options are available for my 2003 Chevrolet Silverado 1500?

We offer a wide selection of engine & drivetrain parts for the 2003 Chevrolet Silverado 1500. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2003 Chevrolet Silverado 1500?

We carry parts from trusted brands including COMP Cams, Yukon Gear & Axle, Cometic Gasket, Clevite, and King Engine Bearings, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2003 Chevrolet Silverado 1500 parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2003 Chevrolet Silverado 1500 parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2003 Chevrolet Silverado 1500(5,481 parts)

Shop by Problem

Other Chevrolet Silverado 1500 Years

2003 Chevrolet Silverado 1500(5,481 parts)

Shop by Problem

Other Chevrolet Silverado 1500 Years

Engine & Drivetrain (1,300 products)

ACL Chevy V8 LS Gen III/IV .020 Oversized Main Bearing Set

Cometic GM LS Gen-3/4 Small Block V8 .070in MLS Cylinder Head Gasket - 3.910in Bore

Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Head Gasket

Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket

Cognito 99-16 Chevy/GMC Silverado/Sierra 2500/3500 HD CV Front Driveline Kit for 4-6in Lift

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 3.73 Ratio w/Axle Bearings + Seal

Harmonic Balancer Assembly

Fel-Pro Chevrolet S10 522 SD Severe Duty Engine Cylinder Head Gasket

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 5.13 Ratio

Cometic GM LS1 SB 4.060in Bore .060 inch MLS Head Gasket

U-Bolt Repair Kit

COMP Cams Camshaft LS1 281Lrr HR-113

Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/5lb Bottle

Edelbrock Spark Plug Wire Set LS Truck w/ Metal Sleeves 99-15 50 Ohm Resistance Red Wire (Set of 8)

COMP Cams Camshaft Kit C43 270H-R10

Cometic GM LS1 SB 4.060 inch Bore .036 inch MLS Head Gasket

Yukon Gear Yoke For 10+ GM 9.5in Rear. 1415 U/Joint Size / Strap Design

Granatelli 96-22 GM LS Tall Valve Cover w/Integral Angled Coil Mounts - Red Wrinkle (Pair)

Clevite Chevy V8 305-350-400 1967-95 Con Rod Bearing Set

COMP Cams Camshaft Kit C43 251HR-14

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Silverado 1500?

What engine & drivetrain options are available for my 2003 Chevrolet Silverado 1500?

What brands make parts for the 2003 Chevrolet Silverado 1500?

How fast do 2003 Chevrolet Silverado 1500 parts ship?

What warranty do your 2003 Chevrolet Silverado 1500 parts come with?