Boat Show Season is Here - and so are Show Discounts!
Shop Boat Show Specials & SAVE NOW!

Thermostat Housing, Stainless Steel - Sierra

Save 28% Off.
Thermostat Housing, Stainless Steel - Sierra
Limited Sale Price: $191.69
Save: $75.01
(28% Off $266.70)
Part # 18-1989 ValueShip™ Eligible
No Reviews | Write Review | Ask Question

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:
        Boating Gear at Boat Show Specials!
        Grab New Gear. Pocket More Savings.