Differentials, Axles & Rear-End Parts

Strange Billet Aluminum Differential Main Bearing End Caps H1121

Strange Billet Aluminum Differential Main Bearing End Caps H1121

Differential Main Bearing Caps, Billet Aluminum, GM, 8.875 in., Pair

Part Number: STR-H1121

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Summit Racing™ Direct-Fit Axle Shafts for 1999-2004 MUSTANG - SUM-700128

Axles, Direct Fit, 1541H Steel, 28-Spline, Ford, 8.8 in., 5 x 4.50 in. Bolt Pattern, Kit

Part Number: SUM-700128

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 14, 2026 if shipped by air

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Estimated Ship Date: Dec 14, 2026 if shipped by air

Yukon Gear & Axle Master Overhaul Kits YK F9-A

Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, Ford 9 in., Kit

Part Number: YGA-14052

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2026

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Estimated Ship Date: Nov 24, 2026

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK055 Dana 30/44 4.11 Gears

Ring and Pinion Gears and Installation Kit Combo, 4.11:1 Ratio, Dana 30 Front, Dana 44 Rear, Jeep, Kit

Part Number: YGA-31055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2026

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Estimated Ship Date: Nov 24, 2026

Summit Racing™ Aluminum 14 Bolt GM 10.5 Inch Differential Cover SUM-730505

Differential Cover, Aluminum, Polished, GM, 14-Bolt, 10.5 in. Diameter Ring Gear, Kit

Part Number: SUM-730505

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Eaton Posi Disc and Shim Kits 29402-00S

Posi Limited Slip Service Kit, Eaton, 24 Steel Discs, GM 8.2/8.5 in., Kit

Part Number: ETN-29402-00S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Motive Gear Ring and Pinion Sets F7.5-410 Ford 7.5 in. 4.10 Gears

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

Part Number: MGR-F75-410

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026

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Estimated Ship Date: Nov 17, 2026

Moser Engineering Ford 9 in. Third Member Assemblies 3MNT31AN350

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 3.50:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MNT31AN350

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 70/70-U YDGD70-3-35

Differential Carrier, Dura Grip Positraction, Clutch-type, 35-spline, Nodular Iron, Dana 70, Dana 70-U, Each

Part Number: YGA-26044

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 24, 2026 if ordered today

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Estimated Ship Date: Nov 24, 2026 if ordered today

Summit Racing™ Ring and Pinion Sets SUM-748801 Ford 8.8 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 8.8 in., Set

Part Number: SUM-748801

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Crown Automotive Spline Differential Carriers AMC Model 20 J8120280

Differential Carrier, AMC Model 20, Trac-Lok Differential Style, Steel, Rear, Jeep, Each

Part Number: CWA-J8120280

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2027

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Estimated Ship Date: Jan 14, 2027

Winters 10-Spline Quick-Change Gears 8512

Quick Change Gears, 10-Spline, SAE 8620 Steel, Set 12, 26/29 Teeth, Pair

Part Number: WPP-8512

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 11, 2026

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Estimated Ship Date: Nov 11, 2026

Belltech Pinion Shims 4978

Axle Shims, Aluminum, 5 Degree, 2.5 in. Wide, Pair

Part Number: BEL-4978

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2012 GM 8.5 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal

Part Number: SPZ-10723

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2026

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Estimated Ship Date: Nov 24, 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: Nov 16, 2026 if shipped by air

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Estimated Ship Date: Nov 16, 2026 if shipped by air

Yukon Gear & Axle Ring and Pinion Sets YG GM8.2-373 GM 8.2 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 25 Spline, 8.200 in. Ring Gear, GM 8.2 in., Set

Part Number: YGA-24151

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 25, 2026

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Estimated Ship Date: Nov 25, 2026

Summit Racing™ Aluminum 10 Bolt Dana 60/70 Differential Cover SUM-730504N

Differential Cover, Aluminum, Natural, Dana, 60, 70, Kit

Part Number: SUM-730504N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Moser Engineering C-Clip Axles for 1973-1976 NOVA - A103002

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, 8.5 in., Pair

Part Number: MSR-A103002

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Dec 7, 2026 if shipped by air

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Estimated Ship Date: Dec 7, 2026 if shipped by air

Summit Racing™ Chrome 10 Bolt Dana 44 Differential Cover SUM-730307

Differential Cover, Steel, Chrome, Dana 44, Kit

Part Number: SUM-730307

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Richmond Gear Ring and Pinion Sets 49-0213-1 Ford Super 8.8 in. IRS 4.09 Gears

Gear, Ring and Pinion, 4.09:1 Ratio, Ford Super 8.8 in., IRS, Set

Part Number: RMG-49-0213-1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2026

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Estimated Ship Date: Nov 12, 2026

Moser Engineering Ring and Pinion Sets 07-890325 Ford 9 in. 3.25 Gears

Gear, Ring and Pinion, 3.25:1 Ratio, Ford, 9 in., Set

Part Number: MSR-09F325

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if shipped by air

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Estimated Ship Date: Dec 7, 2026 if shipped by air

Yukon Gear & Axle 4340 Chromoly Axles YA W24150

Yukon front 4340 Chromoly axle kit for '69-'80 GM truck and Blazer, Dana 44 with 19/30 splines

Part Number: YGA-21413

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Nov 24, 2026 if ordered today

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Estimated Ship Date: Nov 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Ten Factory Axle Shafts MG22172

5 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/26/2026

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Motive Gear Ring and Pinion Sets GM12-411A GM 8.875 in. (12-bolt) truck 4.11 Gears

Ring and Pinion-GM 8.875

Part Number: MGR-GM12-411A

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if shipped by air

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Estimated Ship Date: Nov 16, 2026 if shipped by air

Motive Gear Performance Ring and Pinion Sets G885342 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885342

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

RT Off-Road Mechanical Axle Engagement Systems for 1984-1993 CHEROKEE, 1986-1992 COMANCHE, 1987-1995 WRANGLER - RT23002

Front Axle Engagement System, Mechanical, Dana 30, Jeep, Kit

Part Number: RTO-RT23002

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air