Sierra 18-3623 Thermostat (Seal Included)

Sierra Thermostat Seal Special Order est. 10 Days For use on Johnson/Evinrude Outboard Engines For:  60 degree v-4 & v-6 Replaces:  335981

Sierra 18-1508 MerCruiser Thermostat Seal Replaces 25-8071341 This Sierra aftermarket thermostat seal is for use with MerCruiser V6/V8 GM engines that feature closed cooling. Application...

Sierra 18-3525 Thermostat Sierra replacement thermostat for Yamaha Outboards. Temperature Rating: 122°F / 50°C Fits: F115/LF115 (2005-14), Z250/LZ250 (2003-05), LZ300/Z300 (2004-06),...

Sierra 18-3630 Thermostat for Honda Outboards Sierra replacement thermostat for Honda Outboards. Temperature rating: 72°C / 162°F Interchangeable with: Honda...

Sierra 18-0707 Seal Sierra replacement seal for Yamaha Outboards. Material: Viton Interchangeable with: Yamaha Outboard 6CB-13016-00-00