1990 GMC Transmission & Drivetrain

Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

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Estimated Ship Date: May 26, 2026 if ordered today

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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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Differential Cover, 10-bolt, Steel, Chrome, GM 8.5 in., Front Only, Each

Part Number: YGA-32016

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Pinion Nut, Steel, Each

Part Number: YGA-33152

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

MASTER SHIM KIT GM 7.5

Part Number: MGR-GM7-5MSK

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 12 in. Diameter Disc, Chevy, GMC, L6, V8, Each

Part Number: CTF-DF384024

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Estimated Ship Date: May 14, 2026 if ordered today

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Clutch Kit, Organic, 1 in. Diameter Shaft, 14-Spline, 11 in. Diameter Disc, Chevy, GMC, 4.3L, Kit

Part Number: ZZZ-MU1877-1B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Gear, Ring and Pinion, 4.56:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-719

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Differential Pinion Yoke, 30-spline Inner, 1350, Steel, GM 9.5 in., Each

Part Number: YGA-41077

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pinion Bearing Race, 2.844 in. Diameter, Each

Part Number: TMK-HM88610

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flexplate, 153-tooth, External Engine Balance, 1-piece Rear Main Seal, Chevy, GMC, 5.0L, 5.7L, Each

Part Number: AAF-ALL26836

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Oil Seal;

Part Number: NTL-8835S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Gasket, Transfer Case Adapter, Paper, Chevrolet, GMC, Each

Part Number: ADO-15642510

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Universal Joint, 1310-WJ Style, Non-Greasable, Steel, Each

Part Number: SUM-732004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Differential Cover, OE, Steel, Natural, Dana 80, Each

Part Number: SDH-707231X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Axle Shaft, Cut-To-Fit, Rear, 30-spline, 38.200 in./42.200 in., GM 10.5 in. (14-bolt), GM 11.5 in.

Part Number: YGA-21641

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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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: May 14, 2026 if ordered today

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Clutch Ball Stud, Steel, Chevrolet, GMC, Each

Part Number: RNB-15155

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Axle Shaft, 30-Spline, 31.375 in. Length, Chevy, GMC, 8.5, 8.6 in., Rear, Each

Part Number: RMG-92-25120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: MGR-GM75-410

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Gear, Ring and Pinion, 3.23:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24493

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Pinion Bearing Kit, PBK GM 7.50/7.625 in. 1982-1998, Kit

Part Number: MGR-R7-5GRTPK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air