BUICK SKYLARK Differential & Rear-End Components

Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 8.2 in., BOP Axle, Kit

Part Number: YGA-12054

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Estimated Ship Date: Mar 10, 2026 if ordered today

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

Part Number: MGR-R10RTPK

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Cross Pin Shaft, Notched, Steel, Rear, GM 7.5 in., GM 7.6 in., Each

Part Number: YGA-33435

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Bearing Kit

Part Number: MGR-GM85PIK

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Estimated Ship Date: Feb 26, 2026 if ordered today

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COUPLER

Part Number: PWT-1932504CCN

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Estimated Ship Date: Tomorrow

Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 7.5 in., GM 7.625 in., Kit

Part Number: YGA-12050

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Estimated Ship Date: Mar 10, 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: Feb 26, 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: Feb 26, 2026 if ordered today

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SPACER

Part Number: PWT-1920604SAJ

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Axle Shaft Only, Buick 1979-73, Cadillac 1976, Chevrolet 1979-65, Oldsmobile 1979-73, Pontiac 1979-71

Part Number: RNB-630-140A

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Estimated Ship Date: Mar 2, 2026 if ordered today

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