Availability
PONTIAC CATALINA Differential & Rear-End Components
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: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit
Part Number: MGR-R10REMK
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Axle Shaft, Rear, C-clip, 26-spline, 1541H Alloy Steel, 30.500 in. Length, GM 7.5 in., Chevy, Each
Part Number: YGA-21261
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 2.73:1 Ratio, GM 7.5/7.625 in., Set
Part Number: RNB-697-713
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pinion Bearing, 1.187 in. Inside Diameter, Each
Part Number: TMK-M86649
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Shims, Carrier, Steel, Kit
Part Number: MGR-SS10
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900331
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each
Part Number: ETN-187C149A
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit
Part Number: MGR-R7-5GRBSKT
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set
Part Number: SVL-2023698
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each
Part Number: TMK-HM89449
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set
Part Number: MGR-G875410
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio
Part Number: SVL-2023695
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in., 12-Bolt Car, Each
Part Number: PWT-GT231230
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt) 546033
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026
Axle Shaft, 28-Spline, 30.438 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, 8.5 in., Rear, Each
Part Number: RMG-92-25157
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., B or P Axle, 10-Bolt, 3 Series, Set
Part Number: RMG-4900821
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pinion Bearing, Tapered Cone, 1.875 in. I.D., Cadillac, Chevrolet, GMC, Dodge, Oldsmobile, Pontiac, Each
Part Number: TMK-HM804846
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Performance Mini Spool (GM 8.5 - 30 Spline)
Part Number: SDH-10015388
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSK
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75410OE
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each
Part Number: YGA-33049
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each
Part Number: RMG-78-7528-1
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Axle C-Clip, Steel, Natural, GM 7.5 in., GM 7.6 in., GM 8.0 in., Each
Part Number: YGA-33082
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit
Part Number: MGR-R12CRMK
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Ring and Pinion Gears, GM 7.5/7.6 in., 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set
Part Number: SVL-2020395
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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