Availability
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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set
Part Number: RMG-12BT373
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt, Truck, Set
Part Number: MGR-GM12-373
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Ring and Pinion Installation Kit, GM 8.875 in., Truck 12-Bolt, 30-Spline Pinion, Kit
Part Number: RMG-8310181
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each
Part Number: PWT-1910-LR
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12RSKT
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set
Part Number: RMG-12BT342
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set
Part Number: RMG-12BT373T
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt, Truck, Set
Part Number: MGR-GM12-411
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set
Part Number: RMG-12BT308
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
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: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.6 in., GM 8.875 in., Kit
Part Number: YGA-57010
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt, Truck, Set
Part Number: MGR-GM12-373X
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit
Part Number: MGR-R12RMKT
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each
Part Number: TMK-M88010
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit
Part Number: MGR-R12RMK
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Ring and Pinion Installation Kit, GM, 8.875 in., Truck, 12-Bolt, Kit
Part Number: RMG-831018M
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.875 in., 12-Bolt, Set
Part Number: MGR-GM12-308
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set
Part Number: RMG-12BT456T
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L
Part Number: MGR-GM12BI
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Differential Carrier Bearings, Steel, Races, Shims, Dana 44, Kit
Part Number: YGA-57003
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set
Part Number: RMG-4902801
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each
Part Number: TMK-HM89449
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Differential Pinion Bearing Kit, GM 8.875 in. Truck, Koyo Bearings, Chevy, GMC, Kit
Part Number: MGR-R12RPK
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each
Part Number: PWT-GT248730
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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Estimated Ship Date: Monday 1/5/2026
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