Change your oil filter after every 50 hours of normal use.
Mercury Mercruiser GM in-line 4-cylinder and 6-cylinder engines.
Mercury Mercruiser GM V-8 engines.
Mercury Mercruiser GM V-6 and V-8 engines with remote filter.
Crusader engines replaces 201104
Chris Craft engines replaces 283, 305, 307, 350, 454.
OMC GM V-8 and in-line 4 and 6 cylinder engines replaces 502509.
Pleasurecraft PCM GM engines replaces R077002.
Volvo Penta replaces 835440-9.