2012 GMC SIERRA-1500 Transmission & Drivetrain

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 7/21/2025

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Automatic Transmission Fluid Control Valve, Plastic/Aluminum, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-24230298

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/21/2025

Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each

Part Number: MOG-534G

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Monday 7/21/2025

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 7/21/2025

Transmission Pan

Part Number: RNB-265-582

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

Automatic Transmission Filter, Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, Each

Part Number: ADO-24208576

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 7/21/2025

Automatic Transmission Bushings, GM, Rolls-Royce, Sabb, Avanti, 700R4/4L60E/4L65E/4L70E, Each

Part Number: DUR-TK-23HP

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/21/2025

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/21/2025

U-Joint, Spicer 1350 To GM 3RL/S44/Mechanics 3/American Axle 1344 Combination, Greasable, Steel, Each

Part Number: YGA-42001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/21/2025

Automatic Transmission Controller, EZ-TCU, Controller, Wiring, Hand-Held Unit, Chevrolet, 4L60E, 4L65E, 4L80E, 4L85E, TCI 6x 6-Speed, Kit

Part Number: TCI-302820

3.86 out of 5 stars ( 37 )

Estimated Ship Date: Oct 31, 2025 if ordered today

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Automatic Transmission Filter, Farpak Gasket, 4L60E, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Saab, Kit

Part Number: ADO-TF337

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Monday 7/21/2025

Automatic Transmission Pan, Deep, 2 qts. Capacity Increase, Aluminum, Black Powdercoated, GMC, Each

Part Number: AFE-46-70242

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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Transmission Oil Pan, Aluminum, Natural, Deep, +2 qts. Capacity, Chevy, GMC, Each

Part Number: AFE-46-70240

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/21/2025

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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 )

Estimated Ship Date: Monday 7/21/2025

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

Part Number: BMM-70421

Not Yet Reviewed

Estimated Ship Date: Aug 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Transmission Fluid Dipsticks, Midnight Series Flexible Braided Stainless, Transmission Case Entry, 12.00 in. Length, Chevy, GMC, 6L80E, 6L90E, Each

Part Number: LOK-XTD-36L80TM

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/21/2025

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Transmission Pan, Deep, Steel, Black, Chevy, Oldsmobile, Pontiac, 700 R4, 4L60, 4L60E, Each

Part Number: RNB-265-811

4.75 out of 5 stars ( 20 )

Estimated Ship Date: Monday 7/21/2025

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

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/21/2025

• Free Shipping

DIFFERENTIAL COVER

Part Number: YGA-29114

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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FLEXPLATE ASSEMBLY

Part Number: PIO-FRA-471HD

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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U-Joint Straps, Steel, Natural, Pair

Part Number: YGA-41193

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/21/2025

Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 7/21/2025

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