949+ 2003 Chevrolet Tahoe Engine & Drivetrain Parts - Page 20

Engine & Drivetrain (949 products)

Yukon Gear GM 8.25in IFS Side Bearing Adjuster Lock Ring / 07+

Yukon Gear & Axle

Part # YSPSA-011

Fits All Trims

Yukon Gear GM 8.25in IFS Side Bearing Adjuster Lock Ring / 07+

$38.89

King Engine Bearings

Part # MB1328XPSTDX

Fits All Trims

King Engine Bearings Gm Vortec /Ls-Series Gen Iii Iv (Size STDX) Main Bearing Set

$97.33

Yukon Gear High Performance Gear Set For GM 8.25in IFS Reverse Rotation in a 3.73 Ratio

Yukon Gear & Axle

Part # YG GM8.25-373R

Fits All Trims

Yukon Gear High Performance Gear Set For GM 8.25in IFS Reverse Rotation in a 3.73 Ratio

$660.89

Cometic GM LS1 SB 3.970 inch Bore .045 inch MLS Head Gasket

Cometic Gasket

Part # C5476-045

Fits All Trims

Cometic GM LS1 SB 3.970 inch Bore .045 inch MLS Head Gasket

$97.74

Cometic GM LS1 SB 4.060 inch Bore .075 inch MLS-5 Head Gasket

Cometic Gasket

Part # C5751-075

Fits All Trims

Cometic GM LS1 SB 4.060 inch Bore .075 inch MLS-5 Head Gasket

$131.62

COMP Cams

Part # 896801

Fits All Trims

COMP Cams XD-A ADjustable Pushrod Shim Kit - 240pcs

$347.39

Gates

Part # 38009

Fits All Trims

Gates 2006 Chevy Uplander DriveAlign Idler Pulley

$20.33

Yukon Gear Spider Gear Set For GM 9.5in Dura Grip Posi

Yukon Gear & Axle

Part # YPKGM9.5-P-33-DG

Fits All Trims

Yukon Gear Spider Gear Set For GM 9.5in Dura Grip Posi

$587.89

ContiTech

Part # 4060930

Fits All Trims

Multi-V Belt

$51.35

Cometic GM LS1 SB 4.060 inch Bore .120 inch MLS Head Gasket

Cometic Gasket

Part # C5751-120

Fits All Trims

Cometic GM LS1 SB 4.060 inch Bore .120 inch MLS Head Gasket

$249.06

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 4.56 Ratio w/Axle Bearings + Seal

Yukon Gear & Axle

Part # YGK2024

Fits All Trims

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 4.56 Ratio w/Axle Bearings + Seal

$918.89

COMP Cams

Part # 54-464-11

Fits All Trims

COMP Cams Camshaft LS1 301Lrx HR-115

$543.48

COMP Cams

Part # K54-418-11

Fits All Trims

COMP Cams Camshaft Kit LS1 XR277HR-12

$1243.97

COMP Cams

Part # 54-408-11

Fits All Trims

COMP Cams Camshaft LS1 XR259HR-12

$442.84

FAST

Part # 301108

Fits All Trims

FAST Wiring Harness Main LS1LS2L

$499.96

Gates

Part # 36169

Fits All Trims

Gates 99-08 Chevrolet Silverado V-8 5.3L A.C. Belt Drive Pulley

$39.57

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.23 Ratio

Yukon Gear & Axle

Part # YG GM8.5-323

Fits All Trims

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.23 Ratio

$409.89

USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.30 Ratio

Yukon Gear & Axle

Part # ZG GM8.5-430

Fits All Trims

USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.30 Ratio

$524.89

Kooks 10mm Spark Plug Wires - Orange w/Black Boots (8 pc. Set)

Kooks Headers

Part # 750205

Fits All Trims

Kooks 10mm Spark Plug Wires - Orange w/Black Boots (8 pc. Set)

$257.95

COMP Cams

Part # 54-602-11

Fits All Trims

COMP Cams Camshaft LS1 291T HR-109 BMT

$442.84

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Tahoe?

This page groups parts listed for the 2003 Chevrolet Tahoe. 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 Tahoe?

We offer a wide selection of engine & drivetrain parts for the 2003 Chevrolet Tahoe. 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 Tahoe?

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

How fast do 2003 Chevrolet Tahoe 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 Tahoe 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 Tahoe(3,801 parts)

2003 Chevrolet Tahoe(3,801 parts)

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Other Chevrolet Tahoe Years

Engine & Drivetrain (949 products)

Yukon Gear GM 8.25in IFS Side Bearing Adjuster Lock Ring / 07+

King Engine Bearings Gm Vortec /Ls-Series Gen Iii Iv (Size STDX) Main Bearing Set

Yukon Gear High Performance Gear Set For GM 8.25in IFS Reverse Rotation in a 3.73 Ratio

Cometic GM LS1 SB 3.970 inch Bore .045 inch MLS Head Gasket

Cometic GM LS1 SB 4.060 inch Bore .075 inch MLS-5 Head Gasket

COMP Cams XD-A ADjustable Pushrod Shim Kit - 240pcs

Gates 2006 Chevy Uplander DriveAlign Idler Pulley

Yukon Gear Spider Gear Set For GM 9.5in Dura Grip Posi

Multi-V Belt

Cometic GM LS1 SB 4.060 inch Bore .120 inch MLS Head Gasket

Yukon Gear Ring & Pinion Install Kit For 8.6in. GM Rear 4.56 Ratio w/Axle Bearings + Seal

COMP Cams Camshaft LS1 301Lrx HR-115

COMP Cams Camshaft Kit LS1 XR277HR-12

COMP Cams Camshaft LS1 XR259HR-12

FAST Wiring Harness Main LS1LS2L

Gates 99-08 Chevrolet Silverado V-8 5.3L A.C. Belt Drive Pulley

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 3.23 Ratio

USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.30 Ratio

Kooks 10mm Spark Plug Wires - Orange w/Black Boots (8 pc. Set)

COMP Cams Camshaft LS1 291T HR-109 BMT

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Tahoe?

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

What brands make parts for the 2003 Chevrolet Tahoe?

How fast do 2003 Chevrolet Tahoe parts ship?

What warranty do your 2003 Chevrolet Tahoe parts come with?