Cheap And Discounts Thermostat Kit with Gasket 140° F / 60 ° C for Mercruiser Stern Drive Models 2.5 3.0 L 120 140 HP GM in-line 4&6 Cyl 59078Q3 Wholesale. Buy Directly From Merchant XRmarine Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.