Availability
1987 GMC Differential & Rear-End Components
8.5" GM PINION KIT, KOYO BRGS
Part Number: SPZ-60012
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Spacer, Replacement, Active Spacer, Each
Part Number: PWT-624004SDG2
Not Yet Reviewed
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Differential Cover, 10-bolt, Steel, Chrome, Dana 60, Dana 61, Standard Rotation, Each
Part Number: YGA-32005
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Pinion Bearing Kit, PBK GM 8.2" CAR '64-'72
Part Number: MGR-R10CRPK
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Spider Gears, Side Gears, Cross Shaft Pin, Cross Shaft Pin Bolt, 28 Spline, Open, Rear, GM 8.5 in., Kit
Part Number: CWA-26019852
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Differential Cover, 14-bolt, Steel, Chrome, GM 10.5 in. (14-bolt), Each
Part Number: YGA-32013
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each
Part Number: MGR-085050
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion Installation Kit, Dana 60, Kit
Part Number: MGR-D60IK
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Main Cap Studs, GM, Kit
Part Number: YGA-32271
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Installation Kit, Dana 70, Kit
Part Number: MGR-D70IK
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.2 in., Rear, Kit
Part Number: MGR-R10CRT
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Rear, GM 10.5 in. (14-bolt), Kit
Part Number: YGA-12045
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Carrier shim kit for Dana 60, 61 & 70U
Part Number: YGA-55020
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Cross Shaft, Differential, Steel, GM 12 Bolt, with Mini-Spool, Each
Part Number: YGA-32236
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 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 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Zip Locker Solenoid valve.
Part Number: YGA-34014
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
4WD Axle Actuators, Chevy, GMC, Pontiac, Each
Part Number: RNB-600-102XD
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 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 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each
Part Number: YGA-32238
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
COUPLER
Part Number: PWT-1932504CCN
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SIDE GEARS
Part Number: PWT-5201011CGW
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
12P & 12T GM NOTCHED X/PIN SHAFT STD & POSI
Part Number: YGA-33429
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Front, GM 8.5 in. (Truck, Front), Kit
Part Number: YGA-12056
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RT
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each
Part Number: SPZ-17024
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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