2012 GMC SIERRA-1500 Transmission & Drivetrain

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

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Flexplate Bolts, 11mm x 1.5 Thread, 12-Point, .880 Length, GM Gen III/IV, Set of 6

Part Number: PQX-1003907

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Wheel Bearing and Hub Assemblies, Pre-Pressed Wheel Hub Assemblies, Steel, Natural, Front, Cadillac, Chevy, GMC, Each

Part Number: RNB-930-611

5.0 out of 5 stars ( 2 )

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

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

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

Part Number: MGR-GM10-308

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Flywheel And Flexplate Dust Covers, Torque Converter, Plastic, Black, GM, Each

Part Number: ADO-24261712

4.67 out of 5 stars ( 6 )

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

Part Number: MGR-R95GRLMKT

5.0 out of 5 stars ( 1 )

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Universal Joint, Super Strength, 1344 Style, Greasable, Steel, Each

Part Number: MOG-235

4.34 out of 5 stars ( 44 )

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-410

3.4 out of 5 stars ( 5 )

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Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, 4L60-E/4L65-E/4L80-E, NV3500, Chevy, GMC, Each

Part Number: HAY-97-1H32F

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Estimated Ship Date: Nov 17, 2025 if ordered today

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FLEXPLATE ASSEMBLY

Part Number: PIO-FRA-471HD

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Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

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Wheel Bearing, Steel, Each

Part Number: TMK-513067

3.0 out of 5 stars ( 2 )

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

Part Number: SVL-2023698

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Ring and Pinion Installation Kit, Master Kit, GM 9.5, 30-Spline Pinion, Kit

Part Number: MGR-R9-5GRLMK

5.0 out of 5 stars ( 1 )

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Ring & Pinion Gear, 4.56 Ratio, GM, 9.5 in., 14-Bolt, Rear, Set

Part Number: YGA-24168

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Automatic Transmission Controller Component, Bluetooth Adapter, for Use Adapting the TCI EZ-TCU To Work with Bluetooth, GM, TCI, Each

Part Number: TCI-302611

1.0 out of 5 stars ( 1 )

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Hays Twister 3/4 Race Torque Converter 1984- 97 GM, 4L60/4L60E/700R4, 3200- 3600 RPM stall

Part Number: HAY-97-1G32Q

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Estimated Ship Date: Nov 17, 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 )

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Automatic Transmission Oil Pump Rotor Kit, 4L60, 4L65, 4L70, Kit

Part Number: ADO-24219539

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USA Standard Master Overhaul kit for the '09 and newer GM 8.6" differential

Part Number: SPZ-37060

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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 )

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U-Joint Straps, Steel, Natural, Pair

Part Number: YGA-41193

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 4.56:1 Ratio, Reverse Rotation, 1.625 in. Pinion, 30 Spline, GM 8.25 in. IFS, Set

Part Number: YGA-24154

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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