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.
All Motorcraft and Ford Parts are covered by Ford's 24-month/Unlimited Mileage Limited Warranty, which includes parts and labour costs, and are supported nationwide by Ford and Lincoln dealers and Motorcraft Authorized Distributors.(See seller for limited warranty details)