2012 GMC SIERRA-1500 Transmission & Drivetrain

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-456

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Carrier Bearing, Steel, Each

Part Number: TMK-SET42

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, 700R4, Each

Part Number: BMM-70421

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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: Today

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Transmission Filter, Replacement, Each

Part Number: WIX-58904

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

Carrier Shims, Steel, GM 9.5 in., Kit

Part Number: YGA-55003

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.25 in., Set

Part Number: MGR-G885411IFS

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Flywheel Bolts, 12pt Head, M11 x 1.5 in., 0.800 in. UHL, 8740 Chromoly, Black, LS, Set of 6

Part Number: PQX-1001282

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Estimated Ship Date: Today

Automatic Transmission Component, Output Shaft Repair Sleeve, Each

Part Number: ADO-8654063

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: RNB-697-810

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Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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: Today

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

Part Number: YGA-57015

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Differential Carrier, Open Differential Style, 28-spline, Steel, Front, GM 8.25 in., IFS, Cadillac, Chevy, GMC

Part Number: YGA-20086

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Estimated Ship Date: Nov 12, 2025 if ordered today

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RING AND PINION W INSTALL KIT

Part Number: MGR-MGK-223

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Automatic Transmission Oil Pump Gasket, 700R4, 4L60, MD8, Each

Part Number: ADO-12337931

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, Clutch Fluid Seals, 6L80, 6L90, Cadillac, Chevrolet, GMC, Pontiac, Kit

Part Number: ADO-24248559

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Estimated Ship Date: Today

Ring and Pinion Installation Kit, Complete, GM 9.5 in., Rear, Kit

Part Number: RMG-XL-1067-1

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Estimated Ship Date: Oct 29, 2025 if ordered today

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

Part Number: YGA-14168

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Estimated Ship Date: Today

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Drain Plug, Steel, Stock Replacement, Each

Part Number: ADO-24233099

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

CV Joint Boot, Clamp Included, Grease Included, Rubber, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-19256071

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Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

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Estimated Ship Date: Today

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

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Differential Clutch, Carbon Fiber Pack, Rear, Open, GM, 9.5 in., Set

Part Number: YGA-16058

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Estimated Ship Date: Nov 11, 2025 if ordered today

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