A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.
Concentrated, multi-functional year-round diesel air year round fuel additive and treatment. Totally disperses water. Eliminates fuel line freeze ups, slime, sludge, rust and corrosion. Cleans injectors extending pump and injector life. Contains 10% anti-gel.