Availability
BUICK Differential & Rear-End Components
Ring and Pinion Installation Kit, GM, 8.25 in. IFS, Kit
Part Number: MGR-R82RIFSL
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 7.5 in., Rear, Kit
Part Number: MGR-R7-5GR
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.90:1 Ratio, GM 7.5 in., GM 7.625 in., 10-bolt, Set
Part Number: RMG-49-0284-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Gear standard spider gear set for GM 7.5", 26 spline
Part Number: SPZ-39023
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set
Part Number: YGA-24494
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, GM, 7.50 in. Diameter Ring Gear, 27-Spline Pinion, Kit
Part Number: RMG-831044B
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Axel Housing, Steel, Natural, Ford 9 in., Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each
Part Number: AAF-ALL68758
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"
Part Number: SPZ-39036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each
Part Number: ETN-187C149A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Kit
Part Number: RMG-XL-1040-1
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Differential Ring and Pinion; GM 12 Bolt 8.875 - 3.90 Ratio
Part Number: SVL-2023893
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel
Part Number: RMG-81-1033-1
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
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
Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each
Part Number: YGA-20084
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Carrier Bearing, Stamped Steel, 2.680 in. Diameter, Front, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Each
Part Number: ADO-S1413
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit
Part Number: RMG-831019B
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Crush Sleeve, Steel, 0.625 in. Tall, Each
Part Number: YGA-33110
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Shaft
Part Number: MGR-22506477
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Spacer, Replacement, Active Spacer, Each
Part Number: PWT-624004SDG2
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff
Part Number: SVL-10020478
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-R10RE
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Dura Grip Positraction Carrier, Traction-Loc, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each
Part Number: YGA-26012
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Positraction 33 Spline Differential Carriers GM 8.875 Inch (12-bolt) SUM-730948
Not Yet Reviewed
Estimated Ship Date: Today
Axle Shaft, Direct Fit, 1541H Alloy Steel, GM 8.5, 28-Spline, 30.437 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: MGR-MG27123
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Guide, Dura Grip, Chrysler 9.25 in., GM 8.5 in., 8.6 in., 8.875 in., Each
Part Number: YGA-33352
Not Yet Reviewed
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