GMC Differential & Rear-End Components

Differential Cover, Aluminum, Black, Perfect Launch Logo, GM, 7.50 in., 10-Bolt, Each

Part Number: PRO-66667

4.59 out of 5 stars ( 34 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Combo, Differential, Eaton Truetrac, Ring and Pinion, 3.73:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0080

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.22 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Combo, Differential, Eaton Truetrac, Ring and Pinion, 4.10:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0082

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt, Truck, Set

Part Number: MGR-GM12-373

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503B

3.53 out of 5 stars ( 15 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Locking Hubs, Manual, Premium, Aluminum, Chrome, Polished Dial, Dana 60, 35-Spline, Front, Pair

Part Number: WRN-62672

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Locking Hubs, Manual, Supreme, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: MMK-104

4.76 out of 5 stars ( 58 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Carrier, Air Locker, Nodular Iron, Dana 60-HD, Kit

Part Number: ARB-RD166

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Ring and Pinion Gears, GM 8.875 in. (12-bolt), Truck, 3.73:1 Ratio, 30-spline, Standard, Designed for Carrier Cases with A 3.73 and Up Gear Ratio, Kit

Part Number: YGA-10627

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Cover, Ram-Air, 14-Bolt, Aluminum, Black, Integrated O-Ring Seal, AAM 11.5/12 inch, Chevy, GMC, Ram, Each

Part Number: GBE-19288

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Cover, Power Ram-Air, Satin Black, Milled Aluminum, Chevy, GMC, Dodge, AAM 11.5/11.8, 14-Bolt, Rear Axle, Each

Part Number: GBE-19249

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24160

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Cover, Aluminum, Natural, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503N

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900951

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.875 in., Truck, Kit

Part Number: YGA-14068

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Carrier, Limited Slip, 30-Spline, GM 10.5 in. (14-bolt), Steel, Rear, for 4.10 and Numerically Lower Ratios, Chevy, GMC, Each

Part Number: YGA-26030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Carrier, Dura Grip Positraction, Clutch-type, 33-spline, Nodular Iron, Rear, GM 9.5 in., GM 9.76 in., Each

Part Number: YGA-26049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Axle Shafts, GM Genuine Parts, CV-style, 33-spline Outer, Steel, 25.50 in. Length, Front, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-86371672

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Locking Hubs, Manual, Supreme, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Pair

Part Number: MMK-449SS

4.67 out of 5 stars ( 57 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit

Part Number: SPZ-37059

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Ring and Pinion Installation Kit, Bearings and Shims, 8.2 in. GM, 10-Bolt, Kit

Part Number: RMG-8310221

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Differential Cover, GM 8.5 in., 10-bolt, Nodular Iron, Black Powdercoated, Cadillac, Chevrolet, GMC, Each

Part Number: YGA-29113

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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