1979 GMC K1500 Differential & Rear-End Components

Spider Gears, Internal Kit, Front or Rear, Side Gears, Cross Shaft Pin and Bolt, GM, 8.5 in., 30 Spline, Kit

Part Number: YGA-16055

2.0 out of 5 stars ( 1 )

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Differential, Posi Performance, Limited Slip, 30-Spline, 2.76-3.42 Gear Ratios, GM, 12-Bolt, Each

Part Number: HUU-02-124

4.0 out of 5 stars ( 1 )

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Axle Shaft, Rear, C-Clip, 1541H Alloy, 30 Spline, 31.438 in. Length, GM 8.875 in., ChevyGMC, Pickup/SUV, Each

Part Number: YGA-21256

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set

Part Number: RMG-4902801

4.0 out of 5 stars ( 12 )

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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 )

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

Part Number: MGR-GM12-373X

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Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

5.0 out of 5 stars ( 3 )

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USA Standard Master Overhaul kit for the GM 8.5 front differential

Part Number: SPZ-37056

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Differential Carrier Bearing, Steel, 3.062 in. Diameter, Each

Part Number: NTL-A36

5.0 out of 5 stars ( 2 )

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Ring Gear Bolt Sleeve, Steel, 0.375 in. I.D., 0.438 in. O.D., Each

Part Number: YGA-33056

5.0 out of 5 stars ( 1 )

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Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

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Gear, Ring and Pinion, 4.56:1 Ratio, Dana 44, Set

Part Number: MGR-D44-456

5.0 out of 5 stars ( 4 )

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Ring Gear Bolt

Part Number: MGR-14066913

4.75 out of 5 stars ( 4 )

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Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36211

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Differential Pinion Bearing, 1.125 in. Inside Diameter, Each

Part Number: TMK-02872

5.0 out of 5 stars ( 1 )

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Hub Service Kit, Standard, Chevy, GMC, Dodge, Ford, International, Jeep, Kit

Part Number: WRN-11967

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-308

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Axle C-Clips, One kit Per Axle, Steel, GM, Assortment 1 Thick,1 thin, Kit

Part Number: RNB-81050

4.57 out of 5 stars ( 7 )

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Crush Sleeve, Steel, 2.350 in. Tall, GM 8.875 in. (12-bolt) Truck, Each

Part Number: YGA-33105

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

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Differential Cover, 10-bolt, Steel, Chrome, Dana 44, Each

Part Number: YGA-32004

2.5 out of 5 stars ( 2 )

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

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

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

Part Number: SPZ-36213

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

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Pinion Nut Washer, Each

Part Number: YGA-33166

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today