Availability
OLDSMOBILE 442 Differential & Rear-End Components
Differential Crush Sleeve; Fits GM 8.5 in.
Part Number: RMG-19-0004-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Axle Assemblies, Stock Width, Ford 9 in., Black, 60.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy,Buick, Oldsmobile, Pontiac, Kit
Part Number: ART-11249682
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set
Part Number: MGR-706016XR
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bearing, Pinion, 1.312 in. Inside Diameter, Each
Part Number: NTL-M88048
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: MGR-FS10-28
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Replcement Springs, Powertrax No-Slip, Kit
Part Number: PWT-8001001KAV
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pinion Spacer and Shims, Steel, GM, 8.875 in., Passenger Car, Kit
Part Number: RMG-040012S
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885273
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 3.55:1 Ratio, 27 Spline, 8.2 in. BOP Axle, Set
Part Number: YGA-24504
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Differential Drain Plug, Rear Axle Position, Internal Square Drive Head, Steel, 1/2 in. NPT Threads, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: OPG-CH28892
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers
Part Number: CUR-CR-GA135TWAB
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc
Part Number: CUR-CR-GA141TEBB
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc
Part Number: CUR-CR-GA137TEBB
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: RMG-78-1230-1
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
68-72 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included
Part Number: CUR-CR-GA235TNBB
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
64-66 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included
Part Number: CUR-CR-GA137TNBB
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885308
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Allstar Performance Ring and Pinion Gear Sets ALL70120 GM 8.5/8.6 in. 3.08 Gears
Estimated Ship Date: Tomorrow
Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit
Part Number: RMG-3800071
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901751
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring & Pinion set, 3.90:1 Ratio, GM "O" Axle, Set
Part Number: YGA-24688
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Axle Assembly, 9 in. Alloy Steel, 1541H Alloy Steel Axles, 31 Spline Axles, GM, Each
Part Number: CUR-CE-GMA6466X
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.
Part Number: RMG-16-0090-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
WASHER PIN GR 12BLT 8 7/8
Part Number: MGR-3880141
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each
Part Number: MGR-RGBT-003
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
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