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.
Cyclo 16 oz Max44 Diesel Total Fuel System Cleaner
16 oz Fuel Additive
Created for Diesel fuel needs! A powerful synthetic formula that cleans fuel injectors, carburetors, intake valves & manifolds - removing power-robbing carbon deposits. Formulated to solve problems specific to diesel fuel:
Reduces exhaust - HC & CO
Synthetic formula mixes with ALL diesel formulas, including low sulfur