MAD SAVINGS! on over 15,000 items.
Shop the 7th Annual Boating Madness Sale

Thermostat Housing, Stainless Steel - 18-1989 - Sierra

Save 28% Off.
Thermostat Housing, Stainless Steel - 18-1989 - Sierra
Madness Sale Price: $191.69
Save: $75.01
(28% Off $266.70)
Part # 18-1989 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 8 hrs 31 mins.
No Reviews | Write Review | Ask Question
This item is found in the following Product Families
Thermostat Housing for Mercruiser 78984A1, GLM 13530 - Sierra
    Mercury Marine 860256A4 replacement parts
      GLM 13230 replacement parts
        Replaces OEM part #
        • MERCURY MARINE 860256A4
        • MERCURY MARINE 861006A
        • MERCURY MARINE 87290A4
        (Use 18-1989K Thermostat Service Kit for replacement parts)
        Ask a question for
        Question & Answer Guidelines
        This product ships in 1 business day.

        Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
        * Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
        Standard Shipping Policies
        Do you need Professional Installation? has teamed with a national network of independent installers that are ready to handle your installation needs.
        Find your local Amtech dealer:
        CRAZY SAVINGS! Now's the time to Grab New Gear - Pocket More Savings.