For Fits all Mercruiser sterndrive and MIE (inboard) GM gasoline engines, (except V?6 models that have the oil filter mounted on the engine block) Also fits the 4.5L and 6.2L Mercury engine.

This Engineered Marine Products Racing Series filter provides outstanding durability through a more robust design, heavier gauge materials and a superior filter media. Designed for a marine environment, this oil filter provides benefits not found in a standard filter.
Thread Spec: 13/16″ x 16 NPT thread.?

also crosses with:
Sierra: 18-7824-2