516+ 2003 Toyota 4Runner Engine & Drivetrain Parts - Page 8

Engine & Drivetrain (516 products)

Cometic Lexus / Toyota LX-470/TUNDRA .051 inch MLS Head Gasket 98mm Right Side

Cometic Gasket

Part # C4211-051

Fits All Trims

Cometic Lexus / Toyota LX-470/TUNDRA .051 inch MLS Head Gasket 98mm Right Side

$111.44

Cometic Jaguar AJ133 Gen-3 AJ-V8 Land Rover LR-V8 .058in MLX Cylinder Head Gasket - 93mm Bore - RHS

Cometic Gasket

Part # C15001-058

Fits All Trims

Cometic Jaguar AJ133 Gen-3 AJ-V8 Land Rover LR-V8 .058in MLX Cylinder Head Gasket - 93mm Bore - RHS

$151.73

Cometic 03-08 Ford 6.0L Powerstroke Valve Cover Gasket Set

Cometic Gasket

Part # C15143

Fits All Trims

Cometic 03-08 Ford 6.0L Powerstroke Valve Cover Gasket Set

$152.69

Cometic Toyota 2UZ-FE .060in MLS Cylinder Head Gasket - 98mm Bore - RHS

Cometic Gasket

Part # C4211-060

Fits All Trims

Cometic Toyota 2UZ-FE .060in MLS Cylinder Head Gasket - 98mm Bore - RHS

$127.94

Cometic Lexus / Toyota LX-470/TUNDRA .045 inch MLS Head Gasket 3.635 inch Right Side

Cometic Gasket

Part # C4357-045

Fits All Trims

Cometic Lexus / Toyota LX-470/TUNDRA .045 inch MLS Head Gasket 3.635 inch Right Side

$111.44

MAHLE Original Toyota 4Runner 09-03 Cylinder Head Gasket (Right)

Victor Reinz

Part # 54462

Fits All Trims

MAHLE Original Toyota 4Runner 09-03 Cylinder Head Gasket (Right)

$70.48

Yukon Gear O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

Yukon Gear & Axle

Part # YZLAO-01

Fits All Trims

Yukon Gear O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

$13.89

Eaton

Part # 14219-1

Fits All Trims

Eaton ELocker4 Differential 30 Spline Toyota FJ/4Runner/Tacoma/Land Cruiser 120/150

$1764.63

MAHLE Original Lexus Es350 13-07 Engine Valve Stem Seal Set

Victor Reinz

Part # SS45937

Fits All Trims

MAHLE Original Lexus Es350 13-07 Engine Valve Stem Seal Set

$32.00

Cometic GM LGD/LZ4/LZ8/LZ9/LZE/LZG High Value .070in MLS Cylinder Head Gasket - 101mm Bore - LHS

Cometic Gasket

Part # C5226-070

Fits All Trims

Cometic GM LGD/LZ4/LZ8/LZ9/LZE/LZG High Value .070in MLS Cylinder Head Gasket - 101mm Bore - LHS

$140.84

Camburg

Part # CAM-010127

Fits All Trims

Camburg LCA Frame Pivot Uniball Spacer Kit

$168.24

Fel-Pro

Part # HS26226PT

Fits All Trims

Fel-Pro Toyota Tundra HS 26226 PT PermaTorque Engine Cylinder Head Gasket Set

$359.09

Sealed Power

Part # E-1014KC

Fits All Trims

Engine Piston Ring Set

$98.87

Cometic Rover 4.0/4.6L V8 .056in MLS Cylinder Head Gasket - 94mm Bore - 10 Bolt Head

Cometic Gasket

Part # C4365-056

Fits All Trims

Cometic Rover 4.0/4.6L V8 .056in MLS Cylinder Head Gasket - 94mm Bore - 10 Bolt Head

$108.98

Yukon Gear Differential Master Rebuild Kit for Toyota Tacoma/4Runner w/OEM E-Locker Incl. Spacer

Yukon Gear & Axle

Part # YK TACLOC-SPC

Fits All Trims

Yukon Gear Differential Master Rebuild Kit for Toyota Tacoma/4Runner w/OEM E-Locker Incl. Spacer

$670.89

Yukon Gear Small Hole Yoke For 82 and Older Toyota T100 and Tacoma (w/ Locker) w/ 30 Spline Pinion

Yukon Gear & Axle

Part # YY T35080

Fits All Trims

Yukon Gear Small Hole Yoke For 82 and Older Toyota T100 and Tacoma (w/ Locker) w/ 30 Spline Pinion

$157.99

Cometic Toyota Gen-3 3S-GE/3S-GTE .140in MLS Cylinder Head Gasket - 87mm Bore

Cometic Gasket

Part # C4606-140

Fits All Trims

Cometic Toyota Gen-3 3S-GE/3S-GTE .140in MLS Cylinder Head Gasket - 87mm Bore

$237.54

USA Standard Master Overhaul Kit For Toyota Tacoma and 4-Runner w/ Factory Electric Locker

Yukon Gear & Axle

Part # ZK TACOMA-LOC

Fits All Trims

USA Standard Master Overhaul Kit For Toyota Tacoma and 4-Runner w/ Factory Electric Locker

$663.89

Cometic Honda F20C/F20C1/F20C2/F22C1 .036in MLS Cylinder Head Gasket - 87.5mm Bore

Cometic Gasket

Part # C4625-036

Fits All Trims

Cometic Honda F20C/F20C1/F20C2/F22C1 .036in MLS Cylinder Head Gasket - 87.5mm Bore

$106.52

Yukon Gear Minor install Kit For New Toyota Clamshell Design Reverse Rotation Diff

Yukon Gear & Axle

Part # MK TLC-REV-B

Fits All Trims

Yukon Gear Minor install Kit For New Toyota Clamshell Design Reverse Rotation Diff

$135.89

Frequently Asked Questions

Do these parts fit my 2003 Toyota 4Runner?

This page groups parts listed for the 2003 Toyota 4Runner. 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 Toyota 4Runner?

We offer a wide selection of engine & drivetrain parts for the 2003 Toyota 4Runner. 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 Toyota 4Runner?

We carry parts from trusted brands including Cometic Gasket, Yukon Gear & Axle, Victor Reinz, Fel-Pro, and NGK, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2003 Toyota 4Runner 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 Toyota 4Runner 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 Toyota 4Runner(2,956 parts)

2003 Toyota 4Runner(2,956 parts)

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Other Toyota 4Runner Years

Engine & Drivetrain (516 products)

Cometic Lexus / Toyota LX-470/TUNDRA .051 inch MLS Head Gasket 98mm Right Side

Cometic Jaguar AJ133 Gen-3 AJ-V8 Land Rover LR-V8 .058in MLX Cylinder Head Gasket - 93mm Bore - RHS

Cometic 03-08 Ford 6.0L Powerstroke Valve Cover Gasket Set

Cometic Toyota 2UZ-FE .060in MLS Cylinder Head Gasket - 98mm Bore - RHS

Cometic Lexus / Toyota LX-470/TUNDRA .045 inch MLS Head Gasket 3.635 inch Right Side

MAHLE Original Toyota 4Runner 09-03 Cylinder Head Gasket (Right)

Yukon Gear O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

Eaton ELocker4 Differential 30 Spline Toyota FJ/4Runner/Tacoma/Land Cruiser 120/150

MAHLE Original Lexus Es350 13-07 Engine Valve Stem Seal Set

Cometic GM LGD/LZ4/LZ8/LZ9/LZE/LZG High Value .070in MLS Cylinder Head Gasket - 101mm Bore - LHS

Camburg LCA Frame Pivot Uniball Spacer Kit

Fel-Pro Toyota Tundra HS 26226 PT PermaTorque Engine Cylinder Head Gasket Set

Engine Piston Ring Set

Cometic Rover 4.0/4.6L V8 .056in MLS Cylinder Head Gasket - 94mm Bore - 10 Bolt Head

Yukon Gear Differential Master Rebuild Kit for Toyota Tacoma/4Runner w/OEM E-Locker Incl. Spacer

Yukon Gear Small Hole Yoke For 82 and Older Toyota T100 and Tacoma (w/ Locker) w/ 30 Spline Pinion

Cometic Toyota Gen-3 3S-GE/3S-GTE .140in MLS Cylinder Head Gasket - 87mm Bore

USA Standard Master Overhaul Kit For Toyota Tacoma and 4-Runner w/ Factory Electric Locker

Cometic Honda F20C/F20C1/F20C2/F22C1 .036in MLS Cylinder Head Gasket - 87.5mm Bore

Yukon Gear Minor install Kit For New Toyota Clamshell Design Reverse Rotation Diff

Frequently Asked Questions

Do these parts fit my 2003 Toyota 4Runner?

What engine & drivetrain options are available for my 2003 Toyota 4Runner?

What brands make parts for the 2003 Toyota 4Runner?

How fast do 2003 Toyota 4Runner parts ship?

What warranty do your 2003 Toyota 4Runner parts come with?