OEM upper thermostat housing for many Crusader raw water cooled marine engines.

• Includes bare upper thermostat housing only
• Fits many Crusader GM small block and big block marine engines
• For use with various Crusader raw water cooled engines
• Original Crusader

FOR THE LOWER HOUSING – CLICK HERE

FOR PRESSURE RELIEF SEAT – CLICK HERE

FOR PRESSURE RELIEF VALVE- CLICK HERE

FOR PRESSURE RELIEF SPRING – CLICK HERE