Availability
GMC Differential & Rear-End Components
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set
Part Number: RMG-4902801
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, Rear, 12-bolt, Aluminum, Black Anodized, GM 8.875 in. Truck, Each
Part Number: BMM-71504
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Rear, GM 8.5/8.6 in., 10-Bolt, GM, Kit
Part Number: ETN-K-GM8-5-08R
Not Yet Reviewed
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, 8.25 in., Set
Part Number: MGR-G885373IFS
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Shaft, Rear, 4340 Chromoly, 30-spline, 35.000 in. Length, Full Floating, GM 10.5 in (14-bolt), GM 11.5 in
Part Number: YGA-21716
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: RMG-GM85456
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Shaft, Rear, C-Clip, 1541H Alloy, 30 Spline, 31.438 in. Length, GM 8.875 in., ChevyGMC, Pickup/SUV, Each
Part Number: YGA-21256
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each
Part Number: AUB-545022
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, GM 8.25 in., IFS, Kit
Part Number: MGR-R82RIFSLMKT
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 29-spline, Dana 60, Rear, Chevrolet, Dodge, Ford, GMC, Jeep, Plymouth, Kit
Part Number: SPZ-37021
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set
Part Number: SPZ-36073
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Shafts, New CV Drive Axles, Front, Cadillac, Chevrolet, GMC, Each
Part Number: AAZ-66-1430
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals
Part Number: YGA-10417
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Axles, Replacement, C-Clip, Rear, Forged Steel, 30-Spline, Chevy, GMC, 30.50 in. Length, Pair
Part Number: MSR-A3065GMT5
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.56:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set
Part Number: YGA-24036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spider Gear Kit, Open Differential, Dana 44, 30 Spline, Kit
Part Number: YGA-16077
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, Aluminum, Polished, GM, 12-Bolt 8.875 in., Truck, Kit
Part Number: SUM-730503
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, 10-bolt, Nodular Iron, Black Powdercoated, GM 8.5 in., Each
Part Number: ARB-0750007B
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit
Part Number: MGR-R12RMKT
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., 30-Spline Pinion, Kit
Part Number: MGR-R10REMKT
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
Ring and Pinion Installation Kit, Master Kit, GM10.5 in., 3rd Gen., Kit
Part Number: MGR-R14RLAMKH
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Axle Shaft, OEM Replacement, 30-Spline, 33.563 in. Length, Cadillac, Chevy, GMC, 8.6 in., Rear, Each
Part Number: RMG-92-25145
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, GM 8.2 in., Chevy, Kit
Part Number: MGR-R10CRMKT
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