Differentials, Axles & Rear-End Parts

USA Standard Gear Ring and Pinion Sets ZG D44HD-373 Dana 44-HD 3.73 Gears

USA Standard Ring & Pinion gear set for Dana 44-HD in a 3.73 ratio

Part Number: SPZ-36057

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Ford 9 Inch YDGF9-31-AG

Dura Grip Positraction Carrier, Traction-Loc, Ford 9 in., 31 Spline, Aggressive Engagement, Each

Part Number: YGA-26009

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ratech Complete Ring and Pinion Installation Kits 315K

Ring and Pinion Installation Kit, Fits GM, 12-Bolt Passenger Differential, Kit

Part Number: RAT-315K

3.96 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Motive Gear Master Ring and Pinion Installation Kits R10REMKT

Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., 30-Spline Pinion, Kit

Part Number: MGR-R10REMKT

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Motive Gear Performance Ring and Pinion Sets VZ887390 Corvette C5/C6 3.90 Gears

Ring and Pinion Gears, Corvette C6, 3.90:1 Ratio, 30-spline, Standard Rotation, Rear, Chevrolet, Set

Part Number: MGR-VZ887390

Not Yet Reviewed

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Motive Gear Ten Factory Axle Shafts for 1967-1970 COUGAR, 1966-1970 MUSTANG - MG25150

Axle Shaft, Ten Factory, Driver Side, Rear, 1541H Alloy, 31 Spline, Ford, Mercury, Each

Part Number: MGR-MG25150

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Moser Engineering Rear Axle Housing Ends 7900

Axle Housing Ends, Weld-On, Steel, Small Chevy Car with Ford Large Bearing, Non-Clip, Pair

Part Number: MSR-7900

4.83 out of 5 stars ( 6 )

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Richmond Gear EXCel Ring and Pinion Sets F9456 Ford 9 in. 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Auburn Gear Grip-N-Loc 29 Spline Differential AMC Model 20 546081

Auburn Gear Grip-N-Loc 29 Spline Differential AMC Model 20 546081

Differential, Auburn, Grip-N-Loc, Limited Slip, 29-Spline, AMC 20, Each

Part Number: AUB-546081

Not Yet Reviewed

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B&M 12 Bolt Ford 9.75 Inch Differential Cover 41298

Differential Cover, Aluminum, Black Anodized, Finned, B&M Logo, Ford 9.75 in., 12-Bolt Cover, Each

Part Number: BMM-41298

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets 12BT342 GM 8.875 in. (12-bolt) truck 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT342

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Motive Gear Performance PRO Gear Ring and Pinion Sets F995429BP Ford 9.5 in. 4.29 Gears

Ring and Pinion, Ford 9.5 in. Dropout., 4.29:1 Ratio, Standard Rotation, 9310 Steel, Pro Gear, Set

Part Number: MGR-F995429BP

Not Yet Reviewed

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Richmond Gear EXCel OEM Replacement Axle Shafts 92-25122

Axle Shaft, 30-Spline, 30.063 in. Length, Chevy, Pontiac, 8.875 in., Rear, Each

Part Number: RMG-92-25122

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Summit Racing™ Differential Support Covers SME-8510400NL

Differential Cover, Aluminum, Natural, Bearing Cap Support, GM, 7.5 in., 7.625 in., 10-Bolt, Each

Part Number: SME-8510400NL

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Differential Support Covers SME-8510400

4.75 out of 5 stars ( 19 )

Estimated Ship Date: Oct 28, 2025

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Motive Gear Ring and Pinion Sets GM9.5-410 GM 9.5 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-410

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Summit Racing™ Basic Ring and Pinion Installation Kits SUM-G7915K

Installation Kit, Ring and Pinion, Basic, Ford, 9 in., Kit

Part Number: SUM-G7915K

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Richmond Gear Pro Gear Ring and Pinion Sets 79-0027-1 GM 8.875 in. (12-bolt) passenger car 5.14 Gears

Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0027-1

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Motive Gear Performance Ring and Pinion Sets G885488 GM 8.5/8.6 in. 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ Aluminum 10 Bolt GM 8.5 Inch (truck, front) Differential Cover SUM-730507

Differential Cover, Aluminum, Polished, GM, 8.5 in., 10-Bolt, Front, Kit

Part Number: SUM-730507

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0100

Differential Housing Brace, Fabricated Housing, Mild Steel, 0.750 in. Thick, Ford 9 in., Kit

Part Number: RHC-16-0100

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Today

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Currie 9 in. Crate Rear End Assemblies CR-GA137TNBB

64-66 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GA137TNBB

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Eaton Detroit Truetrac 33 Spline Differential GM 8.875 Inch (12-bolt) 914A575

Differential, Eaton Detroit Truetrac, 33 Spline, GM 8.875 in., Each

Part Number: ETN-914A575

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Moser Engineering Differential Setup Kits R9FDP

Ring and Pinion Installation Kit, Ford, 9 in. Diameter Ring Gear, Kit

Part Number: MSR-R9FDP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Richmond Gear Ring and Pinion Sets 69-0047-1 Chrysler 8.75 in. 742 case 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, Chrysler, 8.75 in., 742 Casting, Set

Part Number: RMG-6900471

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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