CADILLAC Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Richmond Gear Ring and Pinion Sets 49-0007-1 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, 2 Series, Set

Part Number: RMG-4900071

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Allstar Performance Ring and Pinion Gear Sets ALL70115 GM 7.5 in. 3.73 Gears

4.75 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Motive Gear Mini Spools MS10-28

Mini Spool, Steel, 28-Spline, GM 8.5 in., Each

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Motive Gear Light-Duty Axle Shafts MG1010

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 29.625 in. Length, Each

Part Number: MGR-MG1010

Not Yet Reviewed

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Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

Yukon Gear & Axle 10 Bolt GM 8.5/8.6 Inch Differential Cover YP C3-GM8.5-R

Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32121

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 31, 2025 if ordered today

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

4.75 out of 5 stars ( 42 )

Estimated Ship Date: Tomorrow

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aFe Pro Series 12 Bolt AAM 9.50/9.76 Differential Cover 46-71120B

Differential Covers, Pro Series, AAM 9.50/9.76 12-bolt, Aluminum, Black Powdercoated, Rear, Cadillac, Chevrolet, GMC, Each

Part Number: AFE-46-71120B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Master Overhaul Kits YK GM9.5-12B

Installation Kit, Master Overhaul, GM 9.5 in., Kit

Part Number: YGA-14217

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Motive Gear Master Ring and Pinion Installation Kits R10REMK

Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10REMK

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-488 GM 8.5/8.6 in. 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

Not Yet Reviewed

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Yukon Gear & Axle Spider Gear Kits YPKGM8.6-S-30V2

Spider Gears, Internal Kit, Side Gears, Cross Pin and Bolt, GM 2000 and Newer, Rear, 8.6 in., 30- Spline, Kit

Part Number: YGA-16056

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Richmond Gear Ring and Pinion Sets 69-0322-1 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

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Timken Pinion Bearings M86649

Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

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Richmond Gear Ring and Pinion Sets 69-0175-1 GM 8.5/8.6 in. 5.57 Gears

Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Cardone New CV Drive Axles 66-1430HD

Axle Shafts, New CV Drive Axles, Front, Cadillac, Chevrolet, GMC, Each

Part Number: AAZ-66-1430HD

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Crosspin Bolts YSPBLT-038

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 4 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-323 GM 8.5/8.6 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24493

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Master Overhaul Kits ZK GM8.5-HD

USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets GM10-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Motive Gear Super Ring and Pinion Gear Installation Kits R7.5GRSK

Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-R75GRSK

Not Yet Reviewed

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

DIFFERENTIAL COVER

Part Number: YGA-29114

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Dorman Axle Shafts 630-121

Axle, Direct Fit, OEM Replacement, Rear, Driver, Passenger Side, 30-Spline, Cadillac, Chevy, GMC, Pickup, SUV

Part Number: RNB-630-121

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-30

Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Motive Gear Open Differential Internal Kits GM8.6BIL

Differential Parts, Open Style, 30 Spline, GM, 8.6 in., 10-Bolt, Kit

Part Number: MGR-GM86BIL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Motive Gear Performance Ring and Pinion Sets G885430 GM 8.5/8.6 in. 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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