2012 GMC SIERRA-1500 Transmission & Drivetrain

Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Pinion Bearing Kit, PBK GM 8.6" 2009 & UP

Part Number: MGR-R10RLAPK

Not Yet Reviewed

Estimated Ship Date: Today

Valve Body Replacement Component, Automatic Transmission Controller, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-24275873

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $100.00
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• $20.00 Summit Bucks
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Helix Seal Retainer, Torque Converter Lock Up Component, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-8654491

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Estimated Ship Date: Today

• $20.00 Summit Bucks

Differential, No-Slip, Gear-Style Locker, 33-Spline, GM, 9.5 in., Each

Part Number: PWT-92-0795-3305

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $824.99

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-225

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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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: Today

• Free Shipping

Transmission Shifter Cable Bushings, Plastic, White, Buick, Cadillac, Chevy, Dodge, GMC, Jeep, Ram, Saturn, Set

Part Number: RNB-14104

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10743

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Transmission Bushing, Rear, 6L80, 6L90, Actual OD - 2.202; Length - 0.585; Max Wall - 0.0675, Each

Part Number: DUR-JT-13-1

Not Yet Reviewed

Estimated Ship Date: Today

Driveshaft Components, GM Genuine Parts, Rubber Boot, Cadillac, Chevrolet, GMC, Hummer, Kit

Part Number: ADO-12471527

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Auto Trans Fluid Pump Cover Ball Check Valve

Part Number: ADO-8663890

Not Yet Reviewed

• $20.00 Summit Bucks
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Automatic Transmission Valve Body Solenoid Retainer, 4L60, 4L65, 4L70, 5L40, Chevrolet, GMC, Each

Part Number: ADO-8680781

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Differential

Part Number: ETN-K-GM8-6-09R

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Auto Trans Turbine Shaft Seal

Part Number: ADO-24219390

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
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Crush Sleeve, Steel, 0.640 in. Tall, Each

Part Number: YGA-33099

Not Yet Reviewed

Estimated Ship Date: Today

Thrust Washer, Open Differential, 0.795 in. Inside Diameter, GM 8.5 in./8.6 in., Each

Part Number: YGA-33385

Not Yet Reviewed

Estimated Ship Date: Today

CV Joint Boot, Duraflex, Neoprene, 3 Clamps Included, Front, with Grease, Each

Part Number: MEV-DX552

5.0 out of 5 stars ( 1 )

Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Actuator, 4WD, Front Axle, Cadillac, Chevrolet, GMC, Isuzu, Each

Part Number: ADO-26060073

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
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Differential Inner Gear Kit; GM 9.5 - 33 Spline, Open Diff

Part Number: SVL-2023880

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.250 in. Ring Gear, GM 8.25 in. IFS, Set

Part Number: YGA-24489

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901731

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

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

Part Number: NTN-NBRA321TMK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 3, 2025 if ordered today

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Driveshaft, Balanced, Assembled, Rear, Steel, Length 68.544 in., Diameter 3.500 in., Chevrolet, GMC, Each

Part Number: RNB-976-460

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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• Special Order