Total Price:
Add to CartThe Quicksilver 807252Q4 is a 140°F thermostat designed for GM-based MerCruiser V6 and V8 sterndrive and inboard engines (1983–2016) with standard cooling systems. This thermostat is not intended for high-performance models. Manufactured to Mercury Marine OEM specifications, it ensures optimal engine temperature, fuel efficiency, and reliable performance. Easy to install with basic tools—refer to your owner’s manual for proper application.
Features
Fits
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
Quicksilver 807252Q-3 140 Degree Thermostat Kit - Mercury - Mercruiser Quicksilver 807252Q3 Thermostat Kit is a 140 degree F replacement designed for early-model MerCruiser V8 sterndrive and...
Add to Cart
Quicksilver 807252Q-5 Thermostat Kit - 160 Degree The Quicksilver 807252Q5 is a 160°F thermostat designed for MerCruiser V6 and V8 engines From 1987–2016 built by General Motors with standard...
Add to Cart
Mercury - Mercruiser 825212A1 Thermostat Kit Genuine OEM Mercury-Mercruiser part. Special Order Item
Add to Cart
Quicksilver 99155T-1 Thermostat Kit Quicksilver Thermostat 991551T1 is L98 for 1998 and newer MerCruiser marinized V6 and V8 engines made by General Motors using closed cooling systems and requiring...
Add to Cart
Quicksilver 8M0109441 Thermostat - 160°F Quicksilver replacement thermostat for use with 1987 and newer GM engines with standard cooling requiring the use of a 160 degree thermostat. Quicksilver's...
Add to Cart