Availability
BUICK Differential & Rear-End Components
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885456
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 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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
Axle Shaft, Rear, C-Clip, 1541H Alloy, 26 Spline, 28.438 in. Length, GM 7.5/7.625 in., Chevy, Each
Part Number: YGA-21288
Estimated Ship Date: Today
Estimated Ship Date: Today
Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit
Part Number: YGA-55047
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit GM 7.5 in./7.625 in, Rear, Kit
Part Number: SPZ-37049
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: 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
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882373
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set
Part Number: MGR-G875410
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
Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set
Part Number: RMG-49-0013-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Parts Kit; Open Differential; Includes 28-Spline Side And Pinion Gears/Washers/Pinion Shaft /Bolt
Part Number: MGR-GM10-BI
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Grip Pro Traction System, 28-Spline, GM 7.5 in., 7.625 in., Each
Part Number: PWT-GT247528
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882355
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
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit
Part Number: RMG-831021M
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
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: Today
Estimated Ship Date: Today
Carrier Shims, Steel, Ford 8.8 in., GM, 8.0, 8.6, 8.75, 8.875 in., Kit
Part Number: YGA-55002
Estimated Ship Date: Today
Estimated Ship Date: Today
Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each
Part Number: YGA-32233
Estimated Ship Date: Today
Estimated Ship Date: Today
Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, 8.5 in., Pair
Part Number: MSR-A102808
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit
Part Number: YGA-57008
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster