Availability
BUICK Differential & Rear-End Components
Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.875 in. (12-Bolt), Set
Part Number: RNB-697-138
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 4.56:1 Ratio, GM 8.875 in. (12-Bolt), Set
Part Number: RNB-697-142
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Yukon Bearing install kit for GM 8.75" differential
Part Number: YGA-11072
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Yukon Bearing install kit for GM 8.875" differential
Part Number: YGA-11073
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Axle 8.2" & 8.5" GM REAR, '73-'88 PASSENGER CARS, 30-1/2", 28spl, 2.780" PILOT, 1563 BRG, 1 SIDE
Part Number: SPZ-11952
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Axle Shaft, Rear, 28-spline Inner, 5 x 4.75 in. Wheel Stud Pattern, 30.438 in. Length, Buick, Chevy, GMC, Each
Part Number: RNB-630-142
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Axle 7.5" GM REAR, PASSENGER CAR, 30-1/2", 26spl, 2.775"HUB, 5 x 4.75 BP, 1563, 1 SIDE
Part Number: SPZ-11929
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
7.5" & 7.625" GM '82-99 PINION KIT, KOYO BRGS
Part Number: SPZ-60010
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.6 in., Front/Rear, Kit
Part Number: MGR-R10RLT
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Drive Axle Shaft Assembly, Front Axle Shaft Assembly
Part Number: RNB-630-417
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4056
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Differential Parts Kit
Part Number: MGR-GM76BI
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Kit
Part Number: RMG-XL-1023-1
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4048
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
SPACER
Part Number: PWT-6241066SEG
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4050
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Differential Carrier
Part Number: RMG-XL-5036
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Differential Carrier
Part Number: RMG-XL-5050
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Axle Shaft
Part Number: RMG-92-25142
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Axle Shaft, OEM Replacement, 28-Spline, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each
Part Number: RMG-92-25150
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Installation Kit, Master, GM 8.0 in., Rear, Kit
Part Number: MGR-RG8RMKT
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.0 in., Rear, Kit
Part Number: MGR-RG8RT
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Differential Bearing Kit, Differential Bearing Kit - Koyo
Part Number: MGR-R10RLEMK
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RET
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
COUPLER
Part Number: PWT-1931504CAU
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
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