Located on the bottom of the external power trim pump assembly. Equivalent to the 818298Q1/T1.

 

Fits Mercury/Mariner 30/40 FourStroke, 40 (4 cylinder), 50 (3 cylinder 1987‑1997), 55 (3 cylinder), 60‑90 (3 cylinder 1987 & newer), 75 (4 cylinder), 75/90 FourStroke,

100‑125 (4cyl), 115 (6 cylinder 1984‑1988), and all V‑6 and OptiMax outboard engines.