More Information for MOTORAD 4909KTFS
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MOTORAD 4909KTFS Specifications
Bolt Hole Quantity2
Bolts IncludedNo
ColorBlack, Silver
Flange Diameter2.13 IN
Flange Thickness0.06 in
Gasket/Seal MaterialPaper
Gasket/Seal MaterialPaper
Jiggle Pin IncludedNo
MaterialSteel, Stainless steel, Copper, Paper
Number of Gaskets1
Number Of Outlet Ports1
Outlet Diameter1.54 in
Temperature192 Deg. F
Thermostat Temp (F)192
Includes housing, and gasket; 195 Degree; Assembly; Fail-Safe

MotoRad Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. When standard thermostats fail, they lock in the closed position and prevent coolant flow to the engine, which can possibly cause serious damage to your engine. Only Fail-Safe is designed to lock in the open position when overheating occurs due to a failing cooling system component. This allows maximum coolant flow, thus preventing expensive engine damage.

  • 100% tested and calibrated
  • Manufactured with the highest quality materials from an OE supplier

Fail-Safe thermostats are designed with a unique extra stroke that allows operation in two stages:

Stage 1: Within normal operating temperatures, the Fail-Safe operates the same as any other thermostat.

Stage 2: If the engine overheats due to a deteriorating cooling system part, the Fail-Safe has a secondary stroke that activates a precision engineered piston that automatically locks the valve into a wide open position, allowing coolant to circulate freely.

Note: Once the Fail-Safe thermostat has locked in the open position, it must be replaced and cannot be used again

Fail-Safe Thermostat Benefits

MotoRad Integrated Housing Thermostats

Attention California Customers - WARNING: Cancer and Reproductive Harm -

MOTORAD Warranty Information:
12 Months