Hi Carlton, I'm pleased to assist you. Once this alternator is received, there would be instructions on where and how to return the core. We advise you to keep the tracking number for the core return. Our warehouse will confirm if the part (core) has been received. Our Accounting Department will credit your banking institution within (approximately) 3-5 business days. Your bank will post the amount back to your account in another (approximately) 3-5 business days. It could be sooner. Click on the link below to order at 30% off the regular price today while supplies last. I hope this is helpful. Enjoy shopping at Carparts.com! https://www.carparts.com/alternator/ac-delco/ac3341502?can=CPGG4850