Availability
OLDSMOBILE Differential & Rear-End Components
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set
Part Number: MGR-BP882373
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885373
Estimated Ship Date: Today
Estimated Ship Date: Today
Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Part Number: SPZ-17040
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit
Part Number: SUM-700928
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Open, GM 8.625 in., 30-Spline, Each
Part Number: MGR-GM8-6L
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Case, Open, 28-spline, Rear, GM 7.5 in., GM 7.625 in., 3.23 Ratio and Up, Chevy, Each
Part Number: YGA-20102
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each
Part Number: AUB-546099
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears
Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888390
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, GM 7.5/7.625 in., Kit
Part Number: MGR-R7-5GRLMKT
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Lock-Right, Locker, 28-Spline, GM, 8.5 in., Each
Part Number: PWT-1920-LR
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each
Part Number: SUM-730960
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc
Part Number: CUR-CR-GA137TEBB
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4902781
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, No-Slip Traction System, 30-Spline, GM, 12-Bolt, Each
Part Number: PWT-92-0788-3005
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Posi Performance, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each
Part Number: ETN-19674-010
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-79-0074-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Dura Grip Positraction Carrier, Traction-Loc, GM 8.5 Oldsmobile Axle, 28 Spline, 3 Series Carrier, Each
Part Number: YGA-10301
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each
Part Number: YGA-32017
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 8.5 in., GM, Kit
Part Number: MGR-R10R
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Assembly, 59-64 Chevy B-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit
Part Number: CUR-CE-GMB5964X
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline Pinion, GM 8.2 in. BOP, Kit
Part Number: YGA-14085
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.
Part Number: MGR-BP882355
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885342
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: YGA-24159
Estimated Ship Date: Today
Estimated Ship Date: Today
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