HUMMER H3 Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Motive Gear Mini Spools MS7.5-28

Spool, Mini, Steel, 28-Spline, GM 7.625 in., Each

Part Number: MGR-MS75-28

4.15 out of 5 stars ( 20 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Yukon Gear & Axle Master Overhaul Kits YK GM8.6-B

Ring and Pinion Gear Installation Kit, Master Overhaul Kit, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-14168

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C1-GM8.5-R

Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C2-GM8.5-R

Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Motive Gear Performance Ring and Pinion Sets G885456 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Timken Pinion Bearing Races M802011

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Timken Pinion Bearing Races M88010

Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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

4.75 out of 5 stars ( 41 )

Estimated Ship Date: Monday 11/24/2025

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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 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Yukon Gear & Axle 30 Spline Differential Carriers GM 8.6 Inch YC G40048044

Differential Carrier, Open, Loaded, GM 8.6 in. 30 Spline, Each

Part Number: YGA-20098

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Yukon Gear & Axle Super Carrier Shims SK SS12

Carrier Shims, Steel, Ford 8.8 in., GM, 8.0, 8.6, 8.75, 8.875 in., Kit

Part Number: YGA-55002

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

SVL Drivetrain Ring and Pinion Gear Sets 2023698 GM 8.5/8.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: SVL-2023698

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Motive Gear Differential Carrier Shim Kits SS10

Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Richmond Gear EXCel Ring and Pinion Sets GM75308 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Kit

Part Number: RMG-GM75308

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Richmond Gear EXCel Ring and Pinion Sets GM85308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85308

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Motive Gear Ring and Pinion Sets GM10-373A GM 8.5 in. 3.73 Gears

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

ARB 10 Bolt GM 8.5 Inch Differential Cover 750007

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, GM 8.5 in., Each

Part Number: ARB-0750007

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

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 12, 2025 if ordered today

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Estimated Ship Date: Dec 12, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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: Monday 11/24/2025

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ARB 10 Bolt GM 8.5 Inch Differential Cover 0750007B

Differential Cover, 10-bolt, Nodular Iron, Black Powdercoated, GM 8.5 in., Each

Part Number: ARB-0750007B

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025