Sierra Thermostat Kit - SIE-18-3650

Sierra 18-3650 Mercruiser 140 Degree Thermostat Kit

For Mercruiser Sterndrive engines using 140 degree thermostat. Fits 1998 & older MCM GM In-Line 4 & 6 cylinder engines.

Kit Includes:

(1) 18-2831 Thermostat Gasket

(1) 18-3550 Thermostat

Interchangeable with:

GLM

13370

Mallory

9-43153

Mercruiser Stern Drive

59078T3

For Use On Engine Models:

120/2.5L 2324347 - UP

140 (6 CYL) 1538930 - 1725960

140 (4 CYL)/3.0L 2508261 - UP

3.0L/3.0LX C856559 - UP

150 1666495 - 2048046

160 2048022 - 2770031

160 2048022 - 2233574

160 2326069 - 2770031

165 2770032 - 5813433

Supersedes 18-3650D