BUICK Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

National Bearing Pinion Bearings HM89249

Bearing, Pinion, 1.437 in. Inside Diameter, Each

Part Number: NTL-HM89249

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

National Bearing Pinion Bearing Races HM89410

Bearing Race, Steel, 3.000 in. Outside Diameter, Each

Part Number: NTL-HM89410

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

National Bearing Pinion Bearings HM89446

Bearing, Pinion, 1.375 in. Inside Diameter, Each

Part Number: NTL-HM89446

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

National Bearing Pinion Bearings HM89449

Bearing, Pinion, 1.437 in. Inside Diameter, Each

Part Number: NTL-HM89449

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

SVL Drivetrain Axle Shafts 2022589-2

Rear Axle Shaft (Dana 44) LH/RH

Part Number: SVL-2022589-2

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Strange Bolt-In S60 Rear Differential Assemblies PRSA15

Strange Bolt-In S60 Rear Differential Assemblies PRSA15

Axle Assembly, S60, 40-Spline, 5 x 4.75 in. Bolt Pattern, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: STR-PRSA15

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Call to Order

USA Standard Gear Ring and Pinion Sets ZG GM7.2-373R GM 7.2 in. IFS 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, GM 7.2 in. IFS, Buick, Chevy, GMC, Oldsmobile, Saab, Front, Set

Part Number: SPZ-36415

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Summit Racing™ Circle Track Replacement Drive Flange Components for 1984-1987 REGAL - SUM-CTGNDFSK

Drive Flange Screws, Replacement, Grand National Axle, Pair

Part Number: SUM-CTGNDFSK

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Ring & Pinion Gear, 3.55 Ratio, GM, 8.875 in. Passenger Car, Set

Part Number: YGA-24122

Not Yet Reviewed

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Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Ring and Pinion Sets SUM-741202 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Moser Engineering Replacement C-Clip Axles for 1984-1987 REGAL - A103004-1

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Buick, 8.5 in., Each

Part Number: MSR-A103004-1

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Moser Engineering Replacement C-Clip Axles for 1984 CUTLASS CALAIS, 1984-1987 REGAL - A102808

4.75 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Currie 9 in. Crate Rear End Assemblies CR-GA130TEBB

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: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB330TWAB

Crate Axle, 65-70 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GB330TWAB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB335TEBB

Crate Axle, 65-70 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GB335TEBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB335TWAB

Crate Axle, 65-70 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-GB335TWAB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

ACDelco - Axle Assemblies for 2017 LACROSSE, 2016 MALIBU, 2017-2019 XT5 - 24276491

DIFFERENTIAL ASM

Part Number: ADO-24276491

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

ACDelco GM Genuine Parts CV Drive Axles for 2017 ENVISION - 84698780

CV Axle Assembly, Front Passenger Side Half-Shaft

Part Number: ADO-84698780

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

ACDelco GM Genuine Parts CV Drive Axles for 2017-2018 ENVISION - 84698781

CV Axle Assembly, Front Driver Side Half-Shaft

Part Number: ADO-84698781

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

ACDelco GM Genuine Parts CV Drive Axles for 2013-2018 ENCORE - 94531933

SHAFT ASM-FRT WHL DRV HALF

Part Number: ADO-94531933

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts SL SPRING-SM

Pin and Spring Kit, Differential Carrier Replacement Component, Kit

Part Number: YGA-17011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

ACDelco Differential Carrier Replacement Parts 24298737

BAFFLE-FRT DIFF CARR (CASE)

Part Number: ADO-24298737

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

SVL Drivetrain Axle Shafts 2022589-3

Axles, Direct Fit, Rear, GM 8.5 in., Each

Part Number: SVL-2022589-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

ACDelco - Axle Bearings for 2020-2026 ENCORE GX, 2021-2026 TRAILBLAZER - 42782627