2012 GMC SIERRA-1500 Transmission & Drivetrain

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

• Free Shipping

Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Wheel Bearing and Hub Assemblies, Steel, Natural, 14mm x 1.5 Wheel Studs, Front, Cadillac, Chevy, GMC, Each

Part Number: SKF-BR930661

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Today

Yoke, Driveshaft, Replacement, Cadillac, Chevrolet, GMC, Hummer, Truck, Van, Each

Part Number: ADO-23251196

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20.00 Summit Bucks

U-Joint Straps, Steel, Natural, Pair

Part Number: YGA-41193

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-430

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Axle Seal, Steel/Rubber, GM 8.5/8.625 in., 2.848 in. O.D., 1.623 in. I.D., Each

Part Number: ADO-291-315

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

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

Part Number: YGA-33067

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Transmission Pan, Deep, Aluminum, Natural, 4L60, 4L60E, Each

Part Number: BMM-70260

4.13 out of 5 stars ( 15 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: AFE-46-70242

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Twister Full Race, 35-spline, 9.600 in. Diameter, 6L80E, Each

Part Number: HAY-97-1K28F

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, TCI Logo, Each

Part Number: TCI-316860

3.55 out of 5 stars ( 11 )

Estimated Ship Date: Today

Wheel Bearing, GM Genuine Part, Stamped Steel, 1.614 in. Bore Diameter, 2.795 in. O.D., Chevrolet, Each

Part Number: ADO-RW20-10

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Transmission Fluid Dipstick Components, Seals, Tube Grommet, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-1259475

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Torque Converters, Twister 3/4 Race, 9.600 in. Dia., with Lockup, 30-Spline, 11.125 in. bolt pattern, 2,400-2,800 rpm Stall, 4L60-E, 4L65-E, Each

Part Number: HAY-97-1H24Q

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Specialty Components, 6L45, 6L50, 6L80, 6L90, 6T70-75 GEN1 Pressure Switch Repair Kit for TEHCMs

Part Number: TRG-PSR-5

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping