Total Price:
Add to CartThe Sierra 18-3553 Thermostat has a 143°F temperature rating. For use on Mercury Marine engines.
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3633 Mercury Thermostat - Replaces 8M0090819 Sierra replacement thermostat for Mercury Outboards. Fits: 75-115HP, 115 Pro XS (2B094996 & UP) Interchangeable with: Mercury...
Add to Cart
Sierra 18-3640 Mercury Thermostat - Replaces 8M0168892 Sierra replacement thermostat for Mercury Marine Outboards. Fits: Mercury 40-60HP (1C050252 & Up) Interchangeable...
Add to Cart
Sierra 18-3638 Mercury Thermostat - Replaces 804540 Sierra replacement thermostat for Mercury Marine Outboards. Fits: Mercury 2.5-3.5HP (0R131842 & Up), 4-6HP (0R411838 &...
Add to Cart
Sierra 18-3635 Mercury Thermostat - Replaces Mercury 892864T06 Sierra replacement thermostat for Mercury Marine engines. Fits: Mercury 75-115HP (1B366823-2B094995), 150 EFI (1B905505 &...
Add to Cart