2012 GMC SIERRA 1500 Differential & Rear-End Components

Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

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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 )

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Differential Carrier, Open, GM 8.625 in., 30-Spline, Each

Part Number: MGR-GM8-6L

4.0 out of 5 stars ( 9 )

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

Part Number: AAZ-66-1430

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.6 in., GM 8.875 in., Kit

Part Number: YGA-57010

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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DIFFERENTIAL COVER

Part Number: YGA-29114

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Ring and Pinion Installation Kit, Master Kit, GM 8.25 in., IFS, Kit

Part Number: MGR-R82RIFSLMKT

4.6 out of 5 stars ( 5 )

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Ring and Pinion Installation Kit, Complete, GM 8.625 in., Rear, Kit

Part Number: MGR-R10RLAMKT

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

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

Part Number: SVL-2023698

Not Yet Reviewed

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CV Axle Assembly, New GSP CV Axle

Part Number: GNA-NCV10143XD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

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Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Kits, GM 8.6 in., 30-spline, 10-bolt, Rear, Cadillac, Chevy, GMC, Hummer, Isuzu, Kit

Part Number: SVL-2023879

Not Yet Reviewed

Estimated Ship Date: Today

Carrier Installation Kit, GM 9.5/9.76, Bearings, Races, Shims, Kit

Part Number: YGA-57015

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Axle Shaft, Rear, 1541H Alloy, 30 Spline, AAM 8.625 in., Cadillac/Chevy/GMC, Pickup/SUV, Each

Part Number: YGA-21583

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, Master Kit, GM, 8.25 in. IFS, Kit

Part Number: MGR-R82RIFSLMK

Not Yet Reviewed

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

Part Number: RNB-697-812

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: RMG-GM85308

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Estimated Ship Date: Today

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