Replaces Mercruiser part number: 17670, 46-8M0113735, 49139, 54534, 59972, 67859, 811573, 850454, 850454002, 8504541, 878342
Circulation pump features a brass impeller for saltwater use and includes mounting gaskets
Suits Mercruiser engines:
Big Block GM V-8 (7.4L / 454 CID & 8.2L / 502 CID)
