DEI Radiator Relief Heater Hotter - 16 oz. - 40206

Heater Hotter(TM) solves the problem of slow warm up times and waiting for your vehicle to thaw in winter months. Heater Hotter formulated specifically to accelerate the transfer of heat from engine...

DEI Radiator Relief Chill Charger - 16 oz. - 40208

Chill Charger for water-to-air intercoolers maximizes thermal transfer to lower air intake temperatures while also protecting core corrosion, electrolysis and harmful mineral build up. By effectively...

DEI Radiator Relief Diesels - 16 oz. - 40204

Radiator ReliefÂ(TM) for Diesels supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your...

DEI Radiator Relief Flush - 16 oz. - 40202

Radiator Relief(TM) Cooling System Flush is a concentrated cleansing agent that effectively removes rust and mineral deposits left behind in the radiator core and hose lines. This advanced treatment...

DEI Radiator Relief 16 oz. - 40200

Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step...