All returns are accepted up to 14 days after date of delivery for cash refund. We offer a 30 day guarantee on all parts unless stated otherwise. Original shipping charges and return shipping charges are not refunded. If a part fails in the guarantee period, the part will be exchanged or refunded at our option. All returns have a 35% restocking fee. Customer pays return shipping. You need to have a return authorization by contacting us before you return the item. No return on electrical items. LOOK AT ALL PIC BEFORE YOU BUY. TENNESSEE RESIDENTS MUST PAY SALES TAX. YOU ARE BUYING INDIVIDUALLY.NOT A COMPLETE SET UNLESS YOU BUY ALL 16 OF THEM .