Have a great Christmas and a Happy New Year! Our staff is on their winter break until Jan 5 2026. Orders placed now will be shipped when we get back.

Welcome to PartsDuck, the customer-first boat parts store.

Mercury Marine  |  SKU: 710-807252T3
Sale

Mercury Thermostat Kit 807252T3 for Select MerCruiser Engines Made by Ford and GM - 1982 and Older V8 Engines, 1996 and Older High-Performance Engines

Sale price $37.53 Regular price $39.92

🛡️ Lifetime Parts Guarantee

We’ve got your back: For real, For life. Learn More

Free Shipping On All Orders!

(Normally)In stock items ship same or next business day from the closest of our 20 warehouses with stock. $6.99 flat rate, or free over $100.

Phone Support (856) 666-7986

Call us with questions 9-5 Monday - Friday.

(856) 666-7986

No Fee Returns for 30 Days

Call us with questions 9-5 Monday - Friday.

(856) 666-7986

Description

Mercury Thermostat Kit 807252T3 for Select MerCruiser Engines Made by Ford and GM - 1982 and Older V8 Engines, 1996 and Older High-Performance Engines — OEM replacement part.

Designed to replace Mercury Marine part number 807252T3. Perfect for restoring your MerCruiser system with a factory-original fit.

Mercury Thermostat Kit 807252T3 fits 1982 and older MerCruiser V8 sterndrive and inboard engines made by Ford and GM with standard cooling systems, and 1996 and older high-performance MerCruiser engines made by Ford and GM. It's a 140F thermostat.