Description:

The ROP Shop replacement Thermostat Kit, 160 Degree for Sierra 18-2553, 182553, 18-7173, 187173, 18-2917. 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. Easy to replace with common shop tools. Only use the temperature thermostat listed in your owner's or service manual. Proper engine cooling temperature assures peak performance and highest efficiency.