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

Powertrax Lock-Right Lockers GM 8.5 Inch 1921-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 8.5 in., Each

Part Number: PWT-1921-LR

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Spider Gear Kits YPKC9.25-S-33-STRAIGHT

Spider Gear Kit, Open Differential, Chrysler 9.25 in., 33-Spline, Kit

Part Number: YGA-16067

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

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25145

Axle Shaft, OEM Replacement, 30-Spline, 33.563 in. Length, Cadillac, Chevy, GMC, 8.6 in., Rear, Each

Part Number: RMG-92-25145

5.0 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 66-3990IS

Axle Shaft, CV, Intermediate, Driver Side, Front Inner, Chrysler, Dodge, Ram, Each

Part Number: AAZ-66-3990IS

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

Dorman 4WD Differential Actuators for 2003-2021 4RUNNER, 2007-2014 FJ CRUISER, 2005-2021 TACOMA - 600-488

4WD Axle Actuator Assembly

Part Number: RNB-600-488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R10RLPK

Ring and Pinion Installation Kit, Basic, GM 8.6 in., Kit

Part Number: MGR-R10RLPK

2.0 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 Open Differential Internal Kits D30BI

Spider Gear Kits, Open Differential, Dana 30, 27 Spline, Kit

Part Number: MGR-D30BI

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK007 Dana 30/44 4.56 Gears

Ring and Pinion Gears and Installation Kit Combo, 4.56:1 Ratio, Dana 30 Front, Dana 44 Rear, Jeep, Kit

Part Number: YGA-31007

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Motive Gear Ring and Pinion Sets D35-456 Dana 35 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, Dana 35, Set

Part Number: MGR-D35-456

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Spicer Drivetrain Products Axle Shaft Oil Slingers 36364

Axle Shaft Oil Slinger, Outer, Front, Dana 30, Dana 35, Dana 44, Ford, Dodge, Jeep, Each

Part Number: SDH-36364

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

ARB 10 Bolt Dana 50/60 Differential Cover 750001

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Dana 50, Dana 60, Each

Part Number: ARB-0750001

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

Yukon Gear & Axle Bearing Kits BK GM8.5-HD

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, Large Journal, GM 8.5 in., Kit

Part Number: YGA-11069

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 Carrier Replacement Parts YSPBF-023

Oil Slinger, Differential Carrier Replacement Part, Outer, Each

Part Number: YGA-33022

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Crown Automotive Direct-Fit Axle Shaft Assemblies 4713190

Axle Shaft, Front Outer, 27-spline Inner, Steel, Dana 30, Jeep, Each

Part Number: CWA-4713190

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

RCV Ultimate IFS CV Axles CVJIFS-TOY2

Axle Shafts, Ultimate CV Axles, Front, 4340 Chromoly, Toyota 8.0 in, IFS, Toyota, Kit

Part Number: RCV-CVJIFS-TOY2

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Dorman 30 Spline Differential Carriers GM 8.5/8.625 Inch 697-909

Differential Carrier, Stock Replacement, Cast Iron, GM 8.5/8.625 in., 30-Spline, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-697-909

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

ARB Air Locker 33 Spline Differential AAM 9.25/9.50 14-bolt RD197

Differential Carrier, Air Locker, Nodular Iron, Kit

Part Number: ARB-RD197

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

Richmond Gear Ring and Pinion Sets 69-0382-1 Ford 8.8 in. 4.88 Gears

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

Part Number: RMG-6903821

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

ARB 10 Bolt Dana 30 Differential Cover 750002

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Dana 30, Each

Part Number: ARB-0750002

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

Richmond Gear EXCel Ring and Pinion Sets GM75456 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

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

SKF Bearings Differential Carrier Bearing Races LM29710 VP

Differential Carrier Bearing Race, 2.563 in. Diameter, Rear, for Nissan, Audi, Ford, Dodge, Mazda, Mercury, Mitsubishi, Plymouth, Volkswagen, Each

Part Number: SKF-LM29710VP

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

USA Standard Gear Ring and Pinion Sets ZG D44-456 Dana 44 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36044

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 Ring and Pinion Sets GM7.5-373 GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-373

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Spicer Drivetrain Products Locking Hub Conversion Kits 10028883

Hub Conversion, Manual, Dana 60, 35 Spline, Kit

Part Number: SDH-10028883

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Mile Marker Hub Nut Conversion Kits 95-32721

Hub Conversion, Auto to Manual, Ford, Chevy, GMC, Pickup, Kit

Part Number: MMK-95-32721

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026