BUICK Differential & Rear-End Components

Differential Cover, 10-bolt, Steel, Chrome, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-11067

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each

Part Number: PWT-LS241230

Not Yet Reviewed

Estimated Ship Date: Jan 18, 2027 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Carrier Shims, Super, Steel, Set of 18

Part Number: YGA-16042

3.11 out of 5 stars ( 9 )

Estimated Ship Date: Jan 4, 2027 if ordered today

• Drop Ship
• Special Order

Differential, No-Slip Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-9207852805

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Jan 18, 2027 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Dec 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Ring and Pinion; GM 12 Bolt 8.875 - 4.56 Ratio

Part Number: SVL-2023902

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-83-1026-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Axle Shaft, Direct Fit, 1541H Alloy Steel, GM 8.5, 28-Spline, 30.437 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MGR-MG27123

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GG137TEBB

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GG141TEBB

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA130TEBB

Not Yet Reviewed

Estimated Ship Date: Today

• Drop Ship
• Free Shipping

Axle Assembly, GM 12-Bolt, 30-Spline Axle, Eaton Posi, 3.42 Ratio, Wilwood Forged Dynalite Disc Brake Kit, Buick, Chev, Oldsmobile, Pontiac, Each

Part Number: MSR-12BJACBACAXD

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Yukon Pinion install kit for GM 12 bolt car differential

Part Number: YGA-13056

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GG137TNBB

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

64-66 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-GA135TNBB

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

• Drop Ship
• Special Order

Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set

Part Number: SVL-10004627

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, Set

Part Number: RMG-GM82411

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order