GMC JIMMY Differential & Rear-End Components

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Pinion Crush Sleeves, Steel, GM, 8.5 in., 8.6 in., 8.75 in., Pair

Part Number: RNB-81057

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Differential Cross Shaft Bolt, Hex Head, GM 7.5, GM 7.625, 10-Bolt, Each

Part Number: MGR-14056196

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Truck, Set

Part Number: HUU-02-114

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Estimated Ship Date: Apr 17, 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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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Differential Crush Sleeves, Steel, Fits with Aftermarket Ring and Pinion Set Only, Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Each

Part Number: MGR-9785792

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Axle Shaft, Direct Fit, Front Right Inner, 17.670 in. Length, 35 Spline, Use 1480 Series U-Joints, Steel, Dana 60, Chevy, GMC, Each

Part Number: SDH-660182-5

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Ring and Pinion Gears, EXCel, Dana 44, 4.09:1 Ratio, 26-spline, Standard, for 3.92 or Numerically Higher Ratio Carrier, Front, Dana 44, Ford, Set

Part Number: RMG-D44409

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-49-0009-1

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Axle, Rear, 28-Spline, 31.375 in. Length, Chevy, GMC, 8.5 in. Axle, Each

Part Number: RNB-630-125

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 17, 2026 if ordered today

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Differential Cover, Steel, Chrome, GM, 7.5 in., 7.625 in., 10-Bolt, Kit

Part Number: MRG-9896

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Mini Spool, MINI SPOOL GM 7 1/2" 28 SPL

Part Number: RMG-XL-5131

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Axle C-Clip, Steel, Copper Coated, GM, 7.5 in./7.625 in. Differential, Each

Part Number: RNB-05311

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Ring and Pinion Installation Kit, Basic, Dana 44, Front/Rear, Kit

Part Number: MGR-RA28LR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 16, 2026 if ordered today

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Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Bearing Race, BMW, Chevy, GMC, Dodge, Plymouth, Ford, Mercury, Merkur, International, Jeep, Studebaker, Each

Part Number: TMK-HM88510

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Crush Sleeve, Steel, GM 8.875 in. (12-bolt), Truck, Each

Part Number: MGR-3954482

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Ring and Pinion Installation Kit, Master Kit, Dana 44, Chevy, Dodge, Ford, GMC, Jeep, Kit

Part Number: MGR-RA28LRARBTMK

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-810

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Axles, Direct Fit, Rear Left/Right, 30-Spline, 31.500 in. Length, GM 8.5 in., Each

Part Number: SVL-2022609

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Installation Kit, Basic, Dana 44, Front/Rear, Kit

Part Number: MGR-D44IK

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Estimated Ship Date: Apr 16, 2026 if ordered today

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