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V Belt M-25XPB, M-35B
Universal Diesels

Part #: Z4060
This "V" belt was used on the M-25XPB and the M35B as delivered from Universal. If you have the original 51 amp alternator (check the plate on the alternator) and the alternator bracket has never been changed, this is the belt for your engine.
Applications include these engines (and the boats that we are aware used these engines... There could be other combinations as well):
• M-25XPB (Catalina 28 MkII, Catalina 30 MkIII, Catalina 310)
• M-35B (Catalina 34 MkII, Catalina 350, Catalina 36 MkII)

Caution: This belt will only fit if you have the factory original 51 amp alternator. If the alternator has been upgraded to a higher output alternator this belt will not fit.