Sierra 18-3677 Thermostat Kit for Volvo and OMC Engines Sierra high-quality engine parts are designed to meet OEM specifications. 160 Degree Thermostat Kit Includes Thermostat Gasket 18-2917 O-ring 18-7170 Interchangeable with Mallory 9-43028 Volvo Penta 3856961 Fits OMC 4.3L 1994-97 OMC 4.3L HO 1991-97 OMC 5.0L 1994-97 OMC 5.8L 1994-97 OMC 5.8L EFI 1993-97 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Wiser Yes Goog