Description:

The ROP Shop replacement Thermostat Kit, 160 Degree for Sierra 18-3647, 183647, 18-3647D, 183647D, 183648. Specs - Refer to images 2 & 3 for more information. Includes - (1) Thermostat, (1) Sleeve, (3) Cover Gaskets, (2) Housing Gaskets & (1) O-Ring; comes as shown in the first image. Fits/For: 1987-2016 MerCruiser V-6 & V-8 GM inboard/outdrive engines (except high performance engines) with standard cooling requiring a 160 (F) thermostat.