Mercury - Manual-owners - 90-10211040 Mercury 150 HP EFI 4-Stroke 100 & 300 Hour Service Kits You won’t have fading edges

You won’t have fading edges or mismatched tones

Mercury’s thermostats are built to their exact specs and tested in real marine environments

A properly functioning water pump is critical for maintaining safe engine operating temperatures and preventing overheating

Its sturdy construction and precise design help to maintain the integrity of your motor's tilt system

meaning you’re getting genuine quality designed to handle torque-heavy drives

Mercury - Manual-owners - 90-10211040 Mercury 150 HP EFI 4-Stroke 100 & 300 Hour Service Kits You won’t have fading edgesManual owners WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.