140 Degree Thermostat Kit | Sierra 18-3676

140 degree thermostat kit used on OMC and Volvo Penta GM big block GM marine engines.

• Fits OMC 7.4L 454 CID raw water cooled marine engines from 1994 to 1998
• Fits OMC 8.2L 502 CID raw water cooled engines manufactured in 1998
• Fits Volvo Penta 7.4L 454 CID raw water cooled marine engines from 1993 to 2000
• Kit includes 140 degree thermostat, 18-7170 o-ring, and 18-0398 gasket
• Replaces OMC 3853983
• Replaces Volvo Penta 3853983
• Replaces Mallory 9-43026