GMC Differential & Rear-End Components

Axle Shaft, 30-Spline, 6 x 5.50 in. Bolt Circle, 30.75 in. Length, Chevy, GMC, Rear, Each

Part Number: YGA-21284

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Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each

Part Number: TMK-HM89449

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, GM, 8.5 in., 8.6 in., Each

Part Number: AUB-546050

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Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

4.0 out of 5 stars ( 4 )

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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 )

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RPK

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Differential Cover, Steel, Chrome, GM, 12-Bolt, Truck, Kit

Part Number: MRG-9895

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Spool, Performance, Full, Steel, 30-spline, Dana 44, Each

Part Number: SDH-2023397

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gear Installation Kit, Master Overhaul, 29 Spline, Dana 60/61, Kit

Part Number: YGA-14128

5.0 out of 5 stars ( 4 )

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.875 in. (12-bolt) Car/Truck, Side Gears, Rear, Limited Slip, Eaton, Posi, 30-spline, Kit

Part Number: SVL-2023882

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Axle Shaft, Rear, 30-spline Inner, 31.281 in. Length, GM 8.75 in., GM 8.875 in. Truck, Chevy, GMC, 4WD, Designed for 2.795 in. OD Bearing, Each

Part Number: RNB-630-105

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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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

5.0 out of 5 stars ( 2 )

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, GM G-Body, 7.5 in., Each

Part Number: MSR-A102810-1

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Axles, Replacement, Driver Side, Passenger Side, Rear, Chevy, GMC, 8.875 in., Pair

Part Number: MSR-A30-70GMT4

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410OE

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-456

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900451

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential, Posi Performance, Limited Slip, 30-Spline, 3.73 Gear Ratios, GM, 12-Bolt, Each

Part Number: HUU-02-125

5.0 out of 5 stars ( 1 )

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Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16043

5.0 out of 5 stars ( 5 )

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Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each

Part Number: PWT-GT248730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $896.99

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, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Truck, Front, Each

Part Number: ETN-912A557

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Axle Shaft, Direct Fit, Rear, Forged Alloy, Chevy, GMC, Pickup, Each

Part Number: MGR-MG27103

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