2012 GMC SIERRA-1500 Transmission & Drivetrain

Front Axle Actuator, Electric, Cadillac, Chevy, GMC, Full Size Pickup/SUV, Each

Part Number: RNB-600-101

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025

Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

Oil Seal, Rubber, 20.69mm Inner Diameter, 4.20mm Width, Buick, Chevy, GMC, Hummer, Pontiac, Each

Part Number: NAL-12584922

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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 )

Estimated Ship Date: Monday 9/15/2025

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Flywheel And Flexplate Dust Covers, Flywheel Housing Inspection, Plastic, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-24261713

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-30

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

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Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Transmission Fluid Dipsticks, Transmission Case Entry, Bellhousing Mount, Black Plastic Handle, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-24260606

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Transmission Filter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Saab, 4L60E, Kit

Part Number: FRM-FT1146A

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Monday 9/15/2025

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

Part Number: MGR-R82RIFSLMK

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Differential Cover, Yukon Rear Nodular Iron Cover for 8.6" GM with 8mm Cover Bolts

Part Number: YGA-YHCC-GM85-M

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio

Part Number: SPZ-36298

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Shift Shaft Seals, OEM-style, Steel/Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-8657163

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Axle Seal, Rear Outer, Buick, Cadillac, Chevy, GMC, Oldsmobile, Hummer, Isuzu, Saab, Each

Part Number: TMK-4762N

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

Spider Gear Kit, Positraction Differential, GM 8.5 in., 8.6 in., Aftermarket Yukon Dura/Eaton, 30 Spline, Kit

Part Number: YGA-16053

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Transmission Filter, Cadillac, Chevy, GMC, Hummer, Oldsmobile, 4L60E, Each

Part Number: FRM-FT1217B

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

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 )

Estimated Ship Date: Monday 9/15/2025

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Wheel Bearing and Hub Assemblies, GM Genuine Parts, Steel, Natural, Front, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-84856654

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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Sprag/Roller Clutch, 29-Element, Forward Sprag, Low-Reverse Clutch, GM, 4L60E/700R4, Each

Part Number: TCI-373601

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Universal Joint, Steel, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-23104840

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Torque Converter, Holeshot, 1,900-2,000 rpm Stall Range, Chevy, 4L60E/700R4, Each

Part Number: BMM-70417

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Automatic Transmission Dipstick Tube, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-25789571

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"

Part Number: SPZ-39036

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping