2003 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Motive Gear Master Ring and Pinion Installation Kits R9.75FRLMK

Ring and Pinion Installation Kit, Master Kit, Ford 9.75 in., Ford/Lincoln, Kit

Part Number: MGR-R975FRLMK

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Trail-Gear Rock Assault True Width Tacoma Axle Assemblies for 1995-2004 TACOMA - 140320-1-KIT

Axle Housing Assembly, Rock Assault, Right Hand Drop, 61.75 in. Width, Toyota 8.0 in., Front, Kit

Part Number: TGI-140320-1-KIT

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Trail-Gear Rock Assault True Width Tacoma Axle Assemblies for 1995-2004 TACOMA - 140314-1-KIT

Axle Housing Assembly, Rock Assault, Left Hand Drop, 61.75 in. Width, Toyota 8.0 in., Front, Kit

Part Number: TGI-140314-1-KIT

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Yukon Gear & Axle Differential Clutch Sets YPKD44-PC-T/L

Differential Carrier Clutch, Clutch Pack, Steel, Set

Part Number: YGA-16153

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Timken Differential Bearings 387AS

Differential Carrier Bearing, Rear, Steel, 2.250 in. Diameter, Chevy, GMC, Dodge, Mercedes-Benz, Workhorse

Part Number: TMK-387AS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

SVL Drivetrain Ring and Pinion Gear Sets 2023932 GM 10.5 in. (14-bolt) 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SVL-2023932

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Motive Gear Pinion Nuts 379570S

Differential Pinion Nut, Steel, Each

Part Number: MGR-379570S

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets F888456 Ford 8.8 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets G875308 GM 7.5/7.625 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

SVL Drivetrain Ring and Pinion Gear Sets 2020648 AAM/Chrysler/GM 11.5 in. 3.73 Gears

Ring & Pinion Gear Set GM 11.5" / 3.73 Ratio

Part Number: SVL-2020648

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

USA Standard Gear Ring and Pinion Sets ZG GM11.5-373 AAM/Chrysler/GM 11.5 in. 3.73 Gears

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Motive Gear Full Spools FS8.8-31

Spool, Full Size, Steel, 31-Spline, 10-Bolt, Ford 8.8 in., Each

Part Number: MGR-FS8-8-31

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-273 GM 8.5/8.6 in. 2.73 Gears

Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Ring and Pinion Sets GM7.5-410 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Positraction 31 Spline Differential Carriers Ford 8.8 Inch SUM-730944

Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 31 Spline, Each

Part Number: SUM-730944

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Cardone New CV Drive Axles 66-1345

Axle Shafts, New CV Drive Axles, Front, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: AAZ-66-1345

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARB 10 Bolt Dana 44 Differential Cover 750003

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Dana 44, Each

Part Number: ARB-0750003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Eaton Posi Performance 30 Spline Differential GM 10.5 Inch (14-bolt) 19689-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19689-010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Richmond Gear Ring and Pinion Sets 49-0046-1 GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900461

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Richmond Gear EXCel Ring and Pinion Sets GM105373 GM 10.5 in. (14-bolt) 3.73 Gears

Ring and Pinion Gears, EXCel, 3.73:1 Ratio, 30-spline, Standard Rotation, GM 10.5 in., Chevy, GMC, Rear, Set

Part Number: RMG-GM105373

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2215 Ford 8.8 in. 3.27 Gears

Ring and Pinion Gears,USA Standard 8.8" Ford, 3.27 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10670

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Richmond Gear Complete Ring and Pinion Installation Kits 83-1033-1

Ring and Pinion Installation Kit, Bearings and Shims, Dana 44, Kit

Part Number: RMG-8310331

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Ring and Pinion Sets F8.8-488 Ford 8.8 in. 4.88 Gears

Ring and Pinion Gears, 4.88:1 Ratio, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: MGR-F8-8-488

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Master Ring and Pinion Installation Kits R9.75FRLMKT

Ring and Pinion Installation Kit, Master Kit, Ford, 9.75 in., Kit

Part Number: MGR-R975FRLMKT

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Timken Pinion Bearings HM804846

Pinion Bearing, Tapered Cone, 1.875 in. I.D., Cadillac, Chevrolet, GMC, Dodge, Oldsmobile, Pontiac, Each

Part Number: TMK-HM804846

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026