Availability
1987 GMC Transmission & Drivetrain
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75373TK
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885456
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Differential Pinion Yoke, 1310, Strap Style, 30 Spline, Cast Steel, GM 8.875 in., Each
Part Number: YGA-41167
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Automatic Transmission Rebuild Kit, Pro Super, GM, TH400, Kit
Part Number: TCI-228800
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901671
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6903221
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Body Compu-Flow Street/Strip TH-400
Part Number: ATI-403100
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901691
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75410OE
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Flywheel, Steel, 168-Tooth, 20 lb., Internal/External Engine Balance, Chevy, 5.0, 5.7L, Each
Part Number: MCL-460265
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Ring and Pinion Gear Installation Kit, Master Overhaul Kit, 30 Spline, GM 10.5 in., 14-Bolt, Truck, Kit
Part Number: YGA-14070
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900451
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each
Part Number: YGA-32030
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 12 in. Diameter Disc, Chevy, GMC, Pickup, SUV, Kit
Part Number: HAY-90-103
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900341
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75456
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Ring and Pinion Installation Kit, GM 8.5 in., (truck,front), Kit
Part Number: YGA-14087
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Flexplate, Superplate, 139-tooth, Steel, Internal Engine Balance, 2-piece Rear Main Seal, SFI 29.2, Chevy, GMC, Each
Part Number: ATI-915555
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Automatic Transmission Master Repair Kit, Chevy, GMC, Olds, Pontiac, Jaguar, Jeep, Rolls Royce, TH400, Kit
Part Number: ATP-JMS9
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Flywheel, Billet Steel, Internal Balance, 31.1 lbs., Chevy, Small Block, V6, Each
Part Number: CTF-700162
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set
Part Number: MGR-GM9-5-373
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Yoke, End Yoke, 30-Spline, Steel, Spicer 1350, GM 8.875 in. (12-Bolt), Rear, Each
Part Number: SDH-10025493
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Rear, Chevrolet, GMC, Set
Part Number: SPZ-36182
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Motive Gear Ring and Pinion Sets GM10.5-373 GM 10.5 in. (14-bolt) 3.73 Gears
Estimated Ship Date: Monday 3/23/2026
Automatic Transmission Rebuild Kit, Master Racing, GM, 200-4R, Kit
Part Number: TCI-389000
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Gear, Ring and Pinion, 4.10:1 Ratio, Dana 60, Set
Part Number: RMG-6900521
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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