This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening.
Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

Features:
Ensures smoother start-ups and faster heating and defrosting of your cab
Replaces frost plug (core plug) in engine block and submerges in coolant
Warms engine fluid to increase lubrication and performance
Keeps fluid from thickening and protects against damage in cold weather
Pre-heats engine to reduce condensation in the engine block
Emits less pollution and fewer gas emissions
Includes removable power cord
Route through your grille and plug into standard 120-volt AC outlet
Constructed of durable copper
Custom fit for your vehicle
Specs:
Thread size: 3/4" NPT
Heating element length: 1-1/2"
Wattage: 400 watts
Amperage: 3.3 amps
1-Year limited warranty