Description
Mercury 807252T5 — 160°F Thermostat Kit for GM V6/V8 Sterndrive & Inboard (1987–2016)
This OEM Mercury thermostat kit (807252T5) restores proper operating temperature control on standard-cooling GM-based V6 and V8 MerCruiser sterndrive and inboard engines. The 160°F thermostat helps maintain consistent warm-up and efficient running in a simple, service-ready package.
Applications
Fits GM V6 and V8 sterndrive & inboard engines with standard cooling systems, model years 1987–2016. Always verify by engine model and serial number in your owner’s/service manual before installation.
Shipping & Returns
Fast processing and shipping from our marine parts warehouse. 30-day returns on unopened, unused items. Review our Refund Policy for full details.
Key Facts
- BU Part ID: 807252T5
- Temperature Rating: 160°F thermostat
- Cooling System: Standard cooling (GM-based V6/V8)
- Engine Years: 1987–2016 (verify by serial/model)
- Brand: Mercury
What’s Included
- 1 × 160°F thermostat
- O-rings (set)
- Gaskets (multiple, for installation)
Service Notes
- Drain/relieve pressure and follow the thermostat housing procedure in your service manual; clean mating surfaces before reassembly.
- Install new gaskets and O-rings from the kit; torque fasteners to spec and refill/bleed the cooling system as directed.
- Warm the engine and verify stable operating temperature; inspect for leaks.