Differentials, Axles & Rear-End Parts

USA Standard Gear Spider Gear Sets ZIKF8.8-S-28

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Ford 8.8 in., 28-spline, 10-bolt, Ford, Lincoln, Mazda, Mercury, Kit

Part Number: SPZ-39015

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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Estimated Ship Date: Sep 24, 2025 if ordered today

Summit Racing™ Aluminum 12 Bolt Ford 10.25/10.5 Inch Differential Cover SUM-730509N

Differential Cover, Aluminum, Natural, Ford, 10.25 in., 10.5 in., Sterling, 12-Bolt, Kit

Part Number: SUM-730509N

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Longfield Axle Shaft and Birfield Joint Kits 303401-1-KIT

Longfield 30-Spline Birfield/Axle, Non US Models, LJ70, LJ71, LJ73, LJ74, LJ78, RJ70, RJ73, RJ78, KZJ70, KZJ71, KZJ77, Bundera, Kit

Part Number: LSA-303401-1-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

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Estimated Ship Date: Sep 29, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG D44JK-456RUB Dana 44 Jeep Wrangler JK 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 24-spline, Standard Rotation, Rear, Dana 44, Jeep, JK, Set

Part Number: YGA-24212

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

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Estimated Ship Date: Oct 10, 2025 if ordered today

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: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Summit Racing™ Full Spools SUM-G7810

Spool, Full Size, Steel, 28-Spline, Ford 9 in., (strip & track only),Each

Part Number: SUM-G7810

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG C10.5-456 Chrysler 10.5 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, Chrysler 10.5 in., Set

Part Number: YGA-24207

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

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Estimated Ship Date: Oct 10, 2025 if ordered today

Powertrax Grip Pro Traction Systems Toyota 10.5 Inch GT501536

Differential Carrier, Grip PRO Traction, Limited Slip, Assembled, Toyota 10.5 Rear, Forged Steel, 3 x 2 Spiral Gear, Toyota, Tundra, Each

Part Number: PWT-GT501536

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Differential Cover Performance Gaskets 34687

Differential Cover Gasket, Performance, Composite with Steel Core, Dana 60, Chrysler, Dodge, Ford, Each

Part Number: SDH-34687

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Ratech Complete Ring and Pinion Installation Kits 309K

Ring and Pinion Installation Kit, GM, 8.2 in. Differential, Kit

Part Number: RAT-309K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Circle Track Axle Shafts SUM-CTFLAXC28BBS

Axle, Circle Track, 1541 Alloy Steel, Ford, 9 in., 28-Spline, 29.51 in. Length, Each

Part Number: SUM-CTFLAXC28BBS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Allstar Performance Ring and Pinion Gear Sets ALL70016 Ford 9 in. 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: AAF-ALL70016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Positraction 30 Spline Differential Carriers GM 10.5 Inch (14-bolt) SUM-730987

Differential Carrier, Positraction, 30-spline, Steel, Rear, Chevy, GMC, GM 10.5 in. 14-bolt, Each

Part Number: SUM-730987

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Yukon Gear & Axle Differential Covers YHCC-GM8.5-M

Differential Cover, Yukon Rear Nodular Iron Cover for 8.6" GM with 8mm Cover Bolts

Part Number: YGA-YHCC-GM85-M

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Differential Covers YHCC-GM8.5-M

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG GM9.5-342 GM 9.5 in. 3.42 Gears

USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio

Part Number: SPZ-36298

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Motive Gear Ring and Pinion Sets D44-392 Dana 44 3.92 Gears

Gear, Ring and Pinion, 3.92:1 Ratio, Dana 44, Set

Part Number: MGR-D44-392

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

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Estimated Ship Date: Sep 29, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM9.76

USA Standard Master Overhaul kit GM, 9.76 in., Kit

Part Number: SPZ-37119

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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Estimated Ship Date: Sep 24, 2025 if ordered today

Competition Engineering Differential Vents C3406

Differential Vent, Steel, Nickel Plated, 3/4 in. Hex Head, 1/8 in. NPT, Each

Part Number: CEE-3406

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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ARP Pro Series Ring Gear Bolts 200-3001

Ring Gear Bolts, Chromoly, Black Oxide, 1.50-20 in. Length, Set

Part Number: ARP-200-3001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Crown Automotive Spline Differential Case Kits AMC Model 20 J3212192

Differential Case Assembly, Rear, Gray, Metal, Use Existing Hardware

Part Number: CWA-J3212192

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Positraction 17 Spline Differential Carriers GM 8.5 Inch, Corvette SUM-730989

Differential Carrier, Positraction, 17-spline, Rear, GM 8.5 in. Corvette, Chevy, Each

Part Number: SUM-730989

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Motive Gear Master Ring and Pinion Installation Kits R9.25RLMK

Ring and Pinion Installation Kit, Master Kit, Chrysler, 9.25 in., Kit

Part Number: MGR-R9-25RLMK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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USA Standard Gear Master Overhaul Kits ZK GM14T-B

USA Standard Master Overhaul kit GM, 10.5 in., Kit

Part Number: SPZ-37045

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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Estimated Ship Date: Sep 24, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F9-325 Ford 9 in. 3.25 Gears

Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36134

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow