Serpentine belt 865615Q04 is 1,941mm long to fit MerCruiser 2001 and newer V6 & V8 (305 & 350 cid) Alpha engines with standard cooling (serial No. 0M320025 and above). It is the same belt as installed by MerCruiser. See your owner's manual or service manual for specific applications. Replace worn or damaged belts to maintain proper function of engine systems driven by the belt. Easy to install using common tools.
Serpentine belt for select MerCruiser engines
Replacement belt matches original as installed by MerCruiser
Replace worn or damaged belts to maintain proper function of engine systems driven by the belt
Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive