BUICK LESABRE Differential & Rear-End Components Transmission & Drivetrain

Powertrax Grip LS Traction Systems GM 8.875 Inch (12-bolt) LS231230

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 3 Series Carrier, Each

Part Number: PWT-LS231230

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

Motive Gear Super Ring and Pinion Gear Installation Kits R10RSK

Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB235TWAB

Crate Axle, 59-64 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GB235TWAB

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Richmond Gear Mega Ring and Pinion Installation Kits 83-1016-M

Kit installation complete for GM 77-81, 7.5

Part Number: RMG-83-1016-M

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Dorman Axle Shafts 630-113

Axle, Rear, 26-Spline, 30.5 in. Length, GM, 7.50 in. Axle, Each

Part Number: RNB-630-113

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Dorman Axle Shafts, Direct Fit 630-113A

Axle Shaft Only, Buick 1986-77, Chevrolet 1990-77, Oldsmobile 1986-77, Pontiac 1986-83, 1981-77

Part Number: RNB-630-113A

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Dorman Axle Shafts 630-118

Axle Shaft, Rear, 30-spline Inner, 5 x 5.00 in. Wheel Stud Pattern, 31.813 in. Length, Buick, Chevy, Each

Part Number: RNB-630-118

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Richmond Gear Spool Bearings 29-0013-1

Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Richmond Gear Differential Carrier Rebuild Kits XL-4048

Differential Carrier Gear Kit

Part Number: RMG-XL-4048

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Richmond Gear EXCel Mini Spools XL-5130

Mini Spool, MINI SPOOL GM 7.5" 26 SPL

Part Number: RMG-XL-5130

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Richmond Gear EXCel Mini Spools XL-5145

Mini Spool, MINI SPOOL GM 12 BOLT CAR

Part Number: RMG-XL-5145

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R10RT

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Excel Ring Pinion and Axle Differential Cross Shafts XL-5630

Pinion Shaft, SHAFT,GM 10-BOLT,7.5,RDF,NOSLP

Part Number: RMG-XL-5630

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Dorman Ring and Pinion Sets 697-302 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-302

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB235TNBB

59-64 GM B-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GB235TNBB

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB237TWAB

Crate Axle, 59-64 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GB237TWAB

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Powertrax Replacement Couplers 5201001CJR

COUPLER

Part Number: PWT-5201001CJR

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC373

3.33 out of 5 stars ( 3 )

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342X GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., Set

Part Number: MGR-G875342X

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70113 GM 7.5 in. 3.42 Gears

4 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Powertrax Differential Carrier Replacement Parts 8031001ZAV

Spring, SPRING,COMPRSN, 500 LB/IN,OUTR

Part Number: PWT-8031001ZAV

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Motive Gear Differential Carrier Replacement Parts 559291

WASHER, PINION THRUST

Part Number: MGR-559291

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G888411X GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Ring and Pinion

Part Number: MGR-G888411X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75456TK GM 7.5/7.625 in. 4.56 Gears

Ring and Pinion

Part Number: RMG-GM75456TK

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

GSP New CV Axle Assemblies NCV10225

Axle Shafts, Direct Fit, New CV Axle Assembly, Steel, Each

Part Number: GNA-NCV10225

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75323 GM 7.5/7.625 in. 3.23 Gears

Ring and Pinion Kit

Part Number: RMG-GM75323

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today