Availability
BUICK Differential & Rear-End Components
Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36214
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each
Part Number: YGA-32030
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set
Part Number: RMG-GM75390
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set
Part Number: YGA-24161
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36213
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears
Estimated Ship Date: Today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 25 Spline, GM 8.2 in. BOP, Kit
Part Number: YGA-11066
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Differential Carrier, Spartan Locker, 30-spline, Steel, Rear, GM 8.875 in., Each
Part Number: SPZ-17032
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900441
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set
Part Number: MGR-GM10-342
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set
Part Number: YGA-24123
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, Series 2 Carrier, GM 7.5/7.6 in., Set
Part Number: YGA-24479
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900341
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 8.2 in., BOP Axle, Each
Part Number: YGA-32120
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM 8.2 in. BOP Axle, Rear, Kit
Part Number: SPZ-37054
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set
Part Number: MGR-G875390
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36197
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Richmond Gear EXCel Ring and Pinion Sets GM75373OE GM 7.5/7.625 in. 3.73 Gears
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900451
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75342TK
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901711
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set
Part Number: YGA-16041
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882390
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set
Part Number: YGA-24121
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: YGA-24480
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in. Passenger Car, Set
Part Number: SVL-2023899
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.875 in., 12-Bolt, Set
Part Number: MGR-GM12-308
Estimated Ship Date: Today
Estimated Ship Date: Today
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