BUICK CENTURY Differential & Rear-End Components

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

Part Number: MGR-R10R

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: RMG-78-7526-1

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mini Spool, Steel, 28-Spline, GM 8.5 in., Each

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: MGR-R10RPK

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: May 14, 2026 if ordered today

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COUPLER

Part Number: PWT-1932504CCN

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Axle Shaft Only, Buick 1985-80, Cadillac 1988-82, Chevrolet 1985-83, Oldsmobile 1984-80, Pontiac 1980

Part Number: RNB-630-114A

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: GNA-NCV10172

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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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 14, 2026 if ordered today

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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 14, 2026 if ordered today

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

Part Number: GNA-NCV10163

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Axle Shaft Only, Buick 1996-89, Chevrolet 1996-89, Oldsmobile 1992-89, Pontiac 1989

Part Number: RNB-630-118A

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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

Part Number: GNA-NCV10034

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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

Part Number: GNA-NCV10031

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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

Part Number: GNA-NCV10233

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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SPACER

Part Number: PWT-1920604SAJ

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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

Part Number: GNA-NCV10509

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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

Part Number: GNA-NCV10068

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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

Part Number: GNA-NCV10027

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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