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Part number 278950 in the original Maserati catalog: where it sits in the assembly and what the factory calls it.
Fits for Maserati Ghibli, Levante, and Quattroporte vehicles with the Ferrari F160 3.0L Twin-Turbo V6 engine M157. This 5-piece drive belt replacement kit includes 1 drive belt tensioner, 2 drive belt pulleys, 1 long alternator belt, and 1 short alternator belt. Part numbers included: 278950, 278940, 286570, and 243857. Suitable for Maserati vehicle applications listed in the description.
This OEM diagram is the property of Maserati 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