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Part number 31508865147 in the original Rolls-Royce catalog: where it sits in the assembly and what the factory calls it.
Front differential assembly with 2.81 ratio, part number 31508679973. Listed for Rolls-Royce Cullinan RR31 and Cullinan Black Badge, plus BMW 7 Series G11/G12, 8 Series G14/G16, and 5 Series G30 applications as shown in the description. Also references part numbers 31508865147, 31508679974, 31507648882, and 31507648883. Location: Bordentown.
This OEM diagram is the property of Rolls-Royce or its respective rights holder. It is provided free of charge for parts identification, maintenance, and repair purposes, consistent with the principles of Fair Use (17 U.S.C. § 107) and Right to Repair. Legal Disclaimer