OEM Mercury / Quicksilver Thermostat Bypass 160°F 991551
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Quick Shipping, Free over $100
Quick Shipping, Free over $100
In stock items ship same or next business day. $3.99 flat rate, or free over $100.
Phone Support (856) 666-7986
Phone Support (856) 666-7986
Call us with questions 9-5 Monday - Friday.
(856) 666-7986
No Fee Returns for 30 Days
No Fee Returns for 30 Days
Call us with questions 9-5 Monday - Friday.
(856) 666-7986
Description
Description
OEM Mercury/Quicksilver 160°F thermostat bypass assembly, including thermostat and necessary gasket.
Genuine factory part designed for closed-cooling systems
Fits 1998 and newer MerCruiser marinized GM V6 & V8 engines
Helps regulate water temperature to protect the engine and maintain optimal performance
May fit a wide range of MerCruiser V6 and V8 models—confirm fitment using your engine’s serial number.