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.
Power Service Diesel Kleen® +Cetane Boost® is the premier “performance” product on the market. Diesel Kleen is loaded with cetane, detergency and lubricity additives to keep your diesel engine running at peak performance.
Boosts cetane up to 6 numbers – engines run smoother with less power lag, reduced emissions and easier cold starts