1990 GMC Transmission & Drivetrain

Seal, Inner Seal, Chevy, GMC, Rear, Each

Part Number: TMK-2081

4.33 out of 5 stars ( 3 )

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

Flexplate, Replacement, 168-Tooth, Steel, Chevy, Small Block, GM V6, Each

Part Number: ATP-Z166

4.5 out of 5 stars ( 6 )

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

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 60, Set

Part Number: MGR-D60-373

5.0 out of 5 stars ( 1 )

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

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Automatic Transmission Lever, Steel, Natural, Each

Part Number: HUU-1050180

5.0 out of 5 stars ( 4 )

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

Ring Gear Bolt

Part Number: MGR-14066913

4.75 out of 5 stars ( 4 )

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

Transmission Fluid Dipstick Components, Automatic Transmission Dipstick Tube Seals, Tube Grommet, 1.015 in. Bore Diameter, Ford, GM, Each

Part Number: ATP-SO35

4.0 out of 5 stars ( 2 )

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

Differential Pinion Yoke, 1350, Strap Style, 30 Spline, Steel, GM 10.5 in., Each

Part Number: YGA-41179

4.5 out of 5 stars ( 2 )

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

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Yokes, End Yokes, Spicer 1350, 29-spline Inner, Steel, 3.000 in. Overall Length, Rear Differential Position, Dana 60/61/70, Each

Part Number: SDH-3-4-5731-1X

4.6 out of 5 stars ( 5 )

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

Transmission Upgrade Kit, Shift Improver, GM, TH400, 3L80, Each

Part Number: BMM-20261

5.0 out of 5 stars ( 5 )

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

Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 9.25 in. IFS, Kit

Part Number: YGA-14095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1, 29-spline, Standard Rotation, Dana 60, Thick Gear, 4.11:1 and Down Carrier, Set

Part Number: YGA-24059

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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

Part Number: CTF-384024

4.33 out of 5 stars ( 3 )

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

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

Part Number: SVL-2023698

Not Yet Reviewed

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

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Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-30

5.0 out of 5 stars ( 4 )

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

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Differential Cover, Perfect Launch, 10-bolt, Aluminum, Black, Dana 60, Each

Part Number: PRO-69504

5.0 out of 5 stars ( 2 )

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

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

Part Number: MGR-G875410

5.0 out of 5 stars ( 3 )

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

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Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

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

Yokes, Slip Yokes, Spicer 1310, 16-spline Inner, Steel, 6.813 in. Overall Length, for Slip-style Driveshafts, Rear Differential Position, Each

Part Number: SDH-2-3-8001KX

Not Yet Reviewed

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

Wheel Bearing, Rear Outer, Each

Part Number: TMK-R1561TV

4.25 out of 5 stars ( 4 )

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

Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

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

Axle Shaft, OEM Replacement, Rear, C-clip, 1541H Alloy Steel, 30-spline Inner, 31.810 in. Length, Chevy, GMC, Each

Part Number: MGR-26010417

Not Yet Reviewed

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

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Timing Cover Seals, Front Crankshaft, Chevrolet, GMC, V6, V8, Each

Part Number: ADO-296-01

5.0 out of 5 stars ( 1 )

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

Wheel Bearing Seal, Front Inner, Buick, Chevy, GMC, Oldsmobile, Checker, Isuzu, Each

Part Number: TMK-4739

4.9 out of 5 stars ( 10 )

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

GM NON LOCK-UP TH350, TH400 3600-3800 STALL

Part Number: FTI-SR7082

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Valve Body Gasket, Full Manual, Reverse Pattern, Fiber, TH400, Kit

Part Number: TCI-GSK221201

5.0 out of 5 stars ( 1 )

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