Availability
BUICK SPECIAL Transmission & Drivetrain
Motive Gear Performance Ring and Pinion Sets G888373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears
Motive Gear Performance Ring and Pinion Sets G888373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888373
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each
Part Number: MOG-534G
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Disc, Street, Organic/Ceramic, 1.125 in.- 26-Spline, 11.0 in. Disc, GM, V8, Each
Part Number: MCL-260571
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pressure Plate, Centerforce II, Diaphragm, 10.4 in. Disc Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: CTF-CFT361675
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Pontiac, Kit
Part Number: CTF-DF161739
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each
Part Number: TMK-LM501349
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Shims, Carrier Type, 2.25 in. I.D., 3.00 in. O.D., Steel, Dodge, Ford, GM, Hummer, Isuzu, Jeep, Lincoln, Mazda, Mercury, Saab, Kit
Part Number: MGR-SS12
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC373T
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:
Summit Racing™ Ring and Pinion Sets SUM-741203 GM 8.875 in. (12-bolt) passenger car 3.73 Gears
Estimated Ship Date: Today
Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each
Part Number: TMK-M88010
Estimated Ship Date: Today
Estimated Ship Date: Today
Universal Joint, Super Strength, 1344 Style, Greasable, Steel, Each
Part Number: MOG-235
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal, Front Inner Wheel Bearing, Disc/Drum Brake hub, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TMK-8705S
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Street Level, Organic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Kit
Part Number: MCL-75021
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 10 in. Diameter Disc, GM, L6, V6, V8, Kit
Part Number: ZZZ-MU5469-1A
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, 450 Street, 10.5 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit
Part Number: HAY-91-1100
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Pilot Bushing, Solid, Brass, Buick, Chevy, GMC, Each
Part Number: PIO-PB-656-HD
Estimated Ship Date: Today
Estimated Ship Date: Today
Bearing Race, Pinion, 3.250 in. Diameter, Each
Part Number: TMK-M802011
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears
Motive Gear Performance Ring and Pinion Sets G888355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888355
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC355
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6903781
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit
Part Number: HAY-83-1102
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Disc, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, AMC, GM, Each
Part Number: CTF-DF383271
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Shifter, Megashifter, Right Hand Drive Models, Chevy, Mopar, Ford, Lincoln, Mercury, Each
Part Number: BMM-80685
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each
Part Number: BMM-20413
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set
Part Number: RMG-4900961
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, TH350, Each
Part Number: LOK-TD-3350TM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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