Sierra high efficiency filters meet OEM specifications for marine use. Epoxy coated inside for corrosion resistance. Type Long Application Ford style filter for 2.3L, 302 & 351 OEM # Chris-Craft: 16.81-06536, Chrysler: 1851658, Crusader: 9002514, Mercruiser: 60565, 35-802886Q, OMC: 173231, 502900, Pleasurecraft: R077001, Yamaha: YSC-16231-20-0C