2012 GMC SIERRA-1500 Transmission & Drivetrain

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: Today

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RING AND PINION W INSTALL KIT

Part Number: MGR-MGK-223

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Estimated Ship Date: Oct 6, 2025 if ordered today

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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: Oct 6, 2025 if ordered today

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Differential, Eaton Detroit Locker, 33-Spline, GM, 9.5 in., 14-Bolt, Each

Part Number: ETN-225C135A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: HAY-97-1K24F

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Differential, Select-A-Loc, Locker, 30-Spline, Buick, Chevy 8.5 in., Each

Part Number: AUB-545004

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: MGR-MGK-225

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, Pontiac, LS1 Engine from 1997 to 2003 with a 4L60E, 4L65E, Each

Part Number: BMM-70442

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 3, 2025 if ordered today

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Torque Converter, Twister Full Race, 2,400-2,800 RPM Stall Speed Range, 30 Spline, 9.600 in. Diameter, 11.125 BC, 4L60-E/4L65-E, Various Makes, Each

Part Number: HAY-97-1H24F

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Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.88 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10425

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Estimated Ship Date: Oct 15, 2025 if ordered today

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Axle Assembly, Remanufactured, Open, 3.73:1 Ratio, Each

Part Number: ZUD-RAA440-131B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

• Core Charge $400.00
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Axle Assembly, Remanufactured, Open, 3.08:1 Ratio, Each

Part Number: ZUD-RAA440-131D

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Estimated Ship Date: Sep 29, 2025 if ordered today

• Core Charge $400.00
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Ring and Pinion Gears,USA Standard 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10739

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.42 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10737

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.6" GM, 4.88 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10741

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10738

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.6" GM, 4.56 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10740

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Axle Assembly, Remanufactured, Open, 3.42:1 Ratio, Each

Part Number: ZUD-RAA440-130

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Estimated Ship Date: Sep 29, 2025 if ordered today

• Core Charge $400.00
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Axle Assembly, Remanufactured, Open, 3.42:1 Ratio, Each

Part Number: ZUD-RAA440-131A

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Estimated Ship Date: Sep 29, 2025 if ordered today

• Core Charge $400.00
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Ring and Pinion Gears, with Installation Kit, GM 8.25 in, IFS, GM 8.5 in. Rear, 4.30 Gear Ratio, Kit

Part Number: MGR-MGK-224

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Estimated Ship Date: Oct 6, 2025 if ordered today

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

Part Number: MGR-MGK-226

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 3.42 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10421

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Estimated Ship Date: Oct 15, 2025 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10423

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Estimated Ship Date: Oct 15, 2025 if ordered today

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Driveshaft, Balanced, Assembled, Rear, Aluminum, Length 89.720 in., Diameter 5.000 in., Chevrolet, GMC, Each

Part Number: RNB-946-199

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.56 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10424

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Estimated Ship Date: Oct 17, 2025 if ordered today

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