Quicksilver 865615Q02 Serpentine Belt 2,285mm - MerCruiser 8.1S & 496 Magnum EnginesSerpentine belt 865615Q02 is 2,285mm long to fit MerCruiser 8.1S engines (2001-2004 with serial No. 0M025000-0W389999) and MerCruiser 496 Magnum engines (2001-2005 with serial No. 0M025000-0W389999) where the power steering pump has been removed. 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.Engine Part Application:Fits 2001-2004 MIE 8.1S engines (s/n 0M025000-0W389999). Also fits 2001-2005 MCM 496 Mag engines (s/n 0M025000-0W309999) that the power steering pump has been removed.Key Product Features 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; Engine Part Supersedes 865615002;