Availability
OLDSMOBILE CUTLASS Differential & Rear-End Components
Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each
Part Number: MGR-085050
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
Estimated Ship Date: Today
Estimated Ship Date: Today
SOLID SPACER & SHIM KIT GM12 BOLT CAR
Part Number: MGR-4101
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Pinion Bearing Kit, PBK GM 8.875" CAR
Part Number: MGR-R12CRPK
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RTPK
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 8.2 in., BOP Axle, Kit
Part Number: YGA-12054
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each
Part Number: YGA-33435
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Ring and Pinion Bearing Kit
Part Number: MGR-GM85PIK
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
COUPLER
Part Number: PWT-1932504CCN
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RT
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
SPACER
Part Number: PWT-1920604SAJ
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races
Part Number: RMG-29-0013-1
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 7.5 in., GM 7.625 in., Kit
Part Number: YGA-12050
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each
Part Number: SPZ-17024
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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