Thermostat kit with Gasket for OMC and Volvo Penta 4.3, 5.0, 5.7, 5.8 18-3677, 383307, 3856961 4.3L 5.0L 5.7L 5.8L V6 V8 Ford Chevy Marine Engines Item Description New thermostat kit for OMC and Volvo Penta Fits many 4.3, 5.0, 5.7, 5.8 Ford and GM based V6 and V8 engines. Compare to your old one before ordering. Volvo used a small and large thermostat, this is the small one. Volvo and OMC used different thermostats, be sure this is the correct one Replaces parts number 3856961, 383307, 18-3677 Does not fit 4 cylinder engines Includes: 160 degree Thermostat, gasket, and O-ring ? See more product details Is Discontinued By Manufacturer:No Package Dimensions:4.29 x 3.78 x 2.44 inches; 0.01 ounces Date First Available:December 4, 2017 Manufacturer:B.B. ASIN:B077XG95F2 Best Sellers Rank:#18 in Automotive Replacement Engine Thermostats Customer Reviews:4.5 4.5 out of 5 stars Thermostat Kit for OMC Volvo Sterndrive New in package, 160 degree thermostat kit for OMC Cobra and Volvo sterndrive applications as detailed below. Replaces OEM Part #: 3856961-2 Replaces Sierra Part #: 18-3677, 18-3653 Kit Contains: 1 160 degree thermostat (Replaces OEM Part #: 3856961) 1 Gasket (Replaces OEM Part #: 3852111) 1 O-ring (Replaces OEM Part #: 3852071) Fits the Following Volvo Applications: 4.3GL5.7GL 4.3GS5.7Gi 4.3Gi5.8FL 5.0FL5.8Fi 5.0Fi5.8FSi Fits the Following OMC Cobra Applications: 4.3L 1994-1997 4.3HO1994-1997 5.0L1994-1997 5.8L1994-1997 5.8EFI1994-1997 Payment We accept payment only through the Payment system. Shipping Most products are usually shipped within 1-2 business days from the date of being ordered. We do ship worldwide via the International Shipping Program. For an international shipment quote, please add add item to cart and attempt checkout. will supply the international shipping price. Return We do not accept returns except in certain, unlikely circumstances.