Availability
1969 PONTIAC FIREBIRD Differential & Rear-End Components
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC410T
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Pinion Nut, Steel, GM, 8.875 in., Corvette, Each
Part Number: MGR-3752901
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit
Part Number: SPZ-39021
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set
Part Number: RMG-6903061
Estimated Ship Date: Today
Estimated Ship Date: Today
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set
Part Number: SPZ-36167
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Today
Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12607
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Ring and Pinion Installation Kit, GM, 8.2 in., Buick or Pontiac Axle, 10-Bolt, 27-Spline Pinion, Kit
Part Number: RMG-8310401
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12605
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
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: Today
Estimated Ship Date: Today
Differential Cover Bolts, Steel, Black, Hex, Each
Part Number: SDH-34279
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Eaton Detroit Truetrac, 33-Spline, GM 8.875 in., Each
Part Number: ETN-914A576
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit
Part Number: MGR-R12CR
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in
Part Number: RMG-3800061
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, 12-bolt, Steel, Chrome, GM 8.875 in. Passenger Car, Each
Part Number: YGA-32011
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.
Part Number: MGR-BP882355
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: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
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: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 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
Estimated Ship Date: Today
Differential Cover, 12-bolt, Aluminum, Polished, GM 8.875 in. Passenger Car, Each
Part Number: YGA-32101
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, Buick, 8.2 in., Kit
Part Number: MGR-R8-5PRMK
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSK
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears
Motive Gear Performance Ring and Pinion Sets G888342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888342
Estimated Ship Date: Today
Estimated Ship Date: Today
Bearing Race, Differential Pinion, 2.531 in. Outside Diameter, Each
Part Number: TMK-M86610
Estimated Ship Date: Today
Estimated Ship Date: Today
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