Belt, Serpentine 496 Mag 8.1S – 2, 285mm long to fit Mercruiser 8.1S engines (2001 – 04 with s/n 0M025000 – 0W389999) and496 Magnum (2001 – 05 s/n 0M025000 – 0W309999) where the power steering pump has been removed. It is the same belt as installed by Mercruiser.
 
Replaces: Mercury: 57-865615Q02
496 Mag 8.1S – 2, 285mm long to fit Mercruiser 8.1S engines (2001 – 04 with s/n 0M025000 – 0W389999) and496 Magnum (2001 – 05 s/n 0M025000 – 0W309999) where the power steering pump has been removed. It is the same belt as installed by Mercruiser.