BUICK ROADMASTER Differential & Rear-End Components

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

Part Number: MGR-G875342X

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Estimated Ship Date: Oct 8, 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

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Estimated Ship Date: Oct 8, 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 8, 2025 if ordered today

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Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

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Estimated Ship Date: Oct 6, 2025 if ordered today

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

Part Number: RMG-XL-5630

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-075050C

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Estimated Ship Date: Oct 8, 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 8, 2025 if ordered today

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COUPLER

Part Number: PWT-1921504CAK

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Estimated Ship Date: Oct 10, 2025 if ordered today

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INTERNAL DRIVE

Part Number: PWT-1930404DGX

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Estimated Ship Date: Oct 10, 2025 if ordered today

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COUPLER

Part Number: PWT-1931504CAU

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Estimated Ship Date: Oct 10, 2025 if ordered today

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

Part Number: PWT-8031001ZAV

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Spring, SPRING,COMPRSN, .25D,250 LB/IN

Part Number: PWT-8011001ZAT

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Spring, SPRING,COMPRSN,15 LB/IN,IN, NS

Part Number: PWT-8021001ZBG

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Estimated Ship Date: Oct 10, 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 8, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-344171

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Estimated Ship Date: Oct 8, 2025 if ordered today

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WASHER, PINION THRUST

Part Number: MGR-559291

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-49-0009-1

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Estimated Ship Date: Oct 7, 2025 if ordered today

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SPACER

Part Number: PWT-1920604SAJ

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Estimated Ship Date: Oct 10, 2025 if ordered today

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SLOTTED DRIVER

Part Number: PWT-424003DGE2

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Estimated Ship Date: Oct 10, 2025 if ordered today

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SIDE GEAR

Part Number: PWT-5201009CKI

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Differential Carrier

Part Number: RMG-XL-5036

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75323

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75342TK

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Ring and Pinion

Part Number: RMG-GM75456TK

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Estimated Ship Date: Oct 7, 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 7, 2025 if ordered today

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