It runs before engine starting to pre lube the engine to prevent metal on metal. Contact before the oil reaches the top of the engine. After shutting the engine off, it runs to help cool the. It also doubles as an oil pump for oil changes so you can easily.
Drain the engine of oil. The kit has never been installed and includes all the original hoses.
Brass fitting, couplings, manual, brain box and wiring. It is extremely well Made. The item "Pre-Luber Oil Pump Primer Extend Life of Gas Diesel Auto Marine Engine USA MADE" is in sale since Friday, November 27, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Oil Pumps".The seller is "bab1232" and is located in Lake Lillian, Minnesota. This item can be shipped to United States.