Jeep Engine Block Heater
Jeep Engine Block Heater . A block heater is nothing more than a simple heating element mounted to a round metal plate with an electrical connector to accept a plug (120v). I would expect up to $500 for labor, depending on the dealer. Indirectly, it is warming up the oil as the coolant passages are often in close proximity to the oil galleries. 82210506 20072011 Jeep Wrangler Engine Block Heater from www.leeparts.com Engine block heater plus other ideas. A cold battery has only a fraction of the cranking power of a warm one.