Delayed action oil filter bypass valve

Device for controlling the flow of cooling water in an internal

Device for uncoupling the oil flow through a radiator

Double seal thermostat

Double seal thermostat

Electrically heatable thermostatic valve for a coolant circulati

Engine coolant system and method of making the same

Engine coolant thermostat with overtemperature protection

Engine coolant thermostat with pressure relief feature

Engine cooling system air venting arrangement

Engine cooling system thermostat and method of making the same

Engine cooling system thermostat and method of making the same

Engine cooling system thermostat and method of making the same

Engine cooling system thermostat and method of making the same

Engine cooling system, structure therefor and methods of making

Engine cooling system, structure therefor and methods of making

Engine thermostat housing and thermostat assembly

Fail-open locking element and thermostat incorporating same

Fail-safe oil flow control apparatus

Fail-safe thermostat