1985 GMC Differential & Rear-End Components

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

Part Number: ETN-912A557

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Spider Gear Kit, Open Differential, Dana 60/61, 35 Spline, Kit

Part Number: YGA-16085

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Estimated Ship Date: Mar 31, 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: Mar 30, 2026 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36195

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19610-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 24, 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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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900441

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: RNB-697-324

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Estimated Ship Date: Mar 19, 2026 if ordered today

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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: Mar 19, 2026 if ordered today

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Axle Shaft, OEM Replacement, Rear, C-clip, 1541H Alloy Steel, 26-spline Inner, 29.000 in. Length, Chevy, GMC, Each

Part Number: MGR-14035368

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Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Spicer Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0002

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Locking Hubs, Aluminum, 19-spline, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: YGA-29096

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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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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Ring Gear Fasteners, Replacement Bolt, Hex Head, Steel, Black Oxide, 12mm x 1.50, GM 9.25/9.5 in., Chrysler 9.25 in., Each

Part Number: MGR-14012703

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Axle Shaft, Front Inner, 4340 Chromoly, 28 Spline, 19.51 in. Length, GM 8.5 in., Each

Part Number: YGA-21365

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 29 Spline, 10.250 in. Ring Gear, Dana 70, Set

Part Number: YGA-24074

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USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio

Part Number: SPZ-36298

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Estimated Ship Date: Mar 16, 2026 if ordered today

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

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Axle Lock Kit, Front, Manual, Hardware, Chevy, GMC, GM 7.2 in. IFS, Kit

Part Number: ALY-450500

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RNB-697-100

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24146

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Carrier, Open, Loaded, GM/Chrysler 9.25/9.50 in. 33 Spline, Each

Part Number: YGA-20097

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today