Availability
1964 BUICK Differential & Rear-End Components
Showing In Stock Items. Show All 48 Items.
Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.875 in., 12-Bolt, Each
Part Number: ETN-913A555
Estimated Ship Date: Today
Estimated Ship Date: Today
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Differential Carrier, Positraction, Nodular Iron, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each
Part Number: SUM-730946
Estimated Ship Date: Today
Estimated Ship Date: Today
Dura Grip Positraction Carrier, Traction-Loc, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each
Part Number: YGA-26011
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Positraction, Nodular Iron, GM 8.2 in., 28 Spline, 3.08 Up Ratio, Each
Part Number: SUM-730962
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0074-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0064-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears
Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888390
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, No-Slip Traction System, 30-Spline, GM, 12-Bolt, Each
Part Number: PWT-92-0788-3005
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
Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-7900291
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each
Part Number: AUB-546099
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each
Part Number: AUB-546060
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set
Part Number: RMG-4900961
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882355
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Lock-Right, Locker, 28-Spline, GM, 8.2 in., Each
Part Number: PWT-1940-LR
Estimated Ship Date: 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 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered 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 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882411
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Richmond Gear Pro Gear Ring and Pinion Sets 79-0099-1 GM 8.875 in. (12-bolt) passenger car 4.11 Gears
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
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 8, 2026 if ordered today
Estimated Ship Date: May 8, 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: Today
Differential, No-Slip Traction System, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each
Part Number: PWT-92-0782-2801
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Positraction, Nodular Iron, GM 8.2 in. BOP, 28 spline, 3.31 Up Ratio, Each
Part Number: SUM-730964
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882336
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Rear, GM 8.875 in. (12-bolt) Passenger Car, Each
Part Number: YGA-26013
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Positraction, Nodular Iron, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each
Part Number: SUM-730948
Estimated Ship Date: Today
Estimated Ship Date: Today
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