BUICK ROADMASTER Differential & Rear-End Components

Ring and Pinion Kit

Part Number: RMG-XL-1044-1

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Estimated Ship Date: Oct 6, 2025 if ordered today

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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: Monday 9/15/2025

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Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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RP GM 7.5in 7.625in 4.56 MOT

Part Number: MGR-GM7-5-456A

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Estimated Ship Date: Monday 9/15/2025

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Differential Parts Kit

Part Number: MGR-GM76BI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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

Part Number: MGR-R10RET

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 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: Oct 6, 2025 if ordered today

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Axle Shaft, Light-Duty, Rear, C-clip, 30-spline Inner, 30.375 in. Length, GM 8.5 in., Buick, Cadillac, Chevy

Part Number: MGR-26018080

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Differential Carrier Rebuild Kit, GM 7.625 in., 28 Spline, Rear, Open Carrier, Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Kit

Part Number: RMG-XL-4042

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4050

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Estimated Ship Date: Oct 3, 2025 if ordered today

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R-P Mstr Brng Kit

Part Number: RNB-797-102

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75355TK

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Estimated Ship Date: Oct 6, 2025 if ordered today

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

Part Number: MGR-R10RE

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Differential Carrier

Part Number: RMG-XL-5036

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Estimated Ship Date: Oct 3, 2025 if ordered today

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