2021 GMC SIERRA 1500 Differential & Rear-End Components

Axle Shaft, GM Genuine Parts CV Axle Shaft, Steel, Front Left/Front Right, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-87863488

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Differential, Grip Pro Traction System, 30-Spline, GM 8.5in., 8.6 in., Each

Part Number: PWT-GT201030

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Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

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Differential Covers, Pro Series, AAM 9.50/9.76 12-bolt, Aluminum, Black Powdercoated, Rear, Cadillac, Chevrolet, GMC, Each

Part Number: AFE-46-71120B

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Differential Cover, 12-bolt, A356 Aircraft Grade Alloy, Black Anodized, AAM 9.50/9.76 12-bolt, Each

Part Number: BMM-71506

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Differential Cover, Street Series GM 9.5, 12-Bolt, Differential Cover Raw w/ Machined Fins, Kit

Part Number: AFE-46-71140A

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Estimated Ship Date: May 20, 2026 if ordered today

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Differential Covers, Street Series, AAM 9.50/9.76 12-bolt, Aluminum, Natural, Rear, Cadillac, Chevrolet, GMC, Each

Part Number: AFE-46-71120A

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Estimated Ship Date: May 20, 2026 if ordered today

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GRIP PRO GM9.5"/9.76" 33SPL 3.42 & UP

Part Number: PWT-GT239733

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Estimated Ship Date: Jun 4, 2026 if ordered today

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Differential Bearing, Tapered Roller, Steel, Stock Replacement, GM, Each

Part Number: ADO-S1420

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Axles, Direct Fit, Rear Left/Right, 1541H Alloy Steel, 33-Spline, 34.020 in. Length, GM 9.5 in., Each

Part Number: YGA-21586

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Cover, Differential, Steel, Black, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-697-727

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USA Standard Replacement Axle for 2007-2013 GM 9.5" Rear, 2014+ GM 9.5" & 9.76" in Silverado, Sierra

Part Number: SPZ-35211

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Estimated Ship Date: May 4, 2026 if ordered today

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Ring and Pinion Installation Kit, GM 9.76 in., Rear, Chevrolet, GMC, Kit

Part Number: ETN-K-GM976-14R

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Estimated Ship Date: May 11, 2026 if ordered today

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LOCK,R/AXL SHF

Part Number: ADO-03833322

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Differential Cover, 12-bolt, Steel, Natural, GM 9.5 in., GM 9.76 in., Each

Part Number: YGA-32365

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Estimated Ship Date: May 15, 2026 if ordered today

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aFe POWER Pro Series Front Differential Cover Black w/ Machined Fins, GM Trucks/SUVs 19-25 (AAM 8.0 IFS)

Part Number: AFE-46-71430B

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Estimated Ship Date: May 20, 2026 if ordered today

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aFe POWER Street Series Front Differential Cover Raw w/ Machined Fins , GM Trucks/SUVs 19-25 (AAM 8.0 IFS)

Part Number: AFE-46-71430A

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Estimated Ship Date: May 20, 2026 if ordered today

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Rear Axle Shaft C-Clip Locks

Part Number: RNB-13851

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Estimated Ship Date: May 8, 2026 if ordered today

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