Motorcraft X Cetane Booster and Performance Improver
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.
Motorcraft 1 gal Cetane Booster and Performance Improver
1 gal Fuel Additive
As with all Motorcraft and Ford Parts, any innovations or improvements developed since the vehicle's manufacture are included in these after market replacement parts, ensuring the most current technology and performance.