We do not accept parts or accessories that have been used. All returned items must be shipped back with the original packaging. There is a 10% restocking fee on all items returned. Please contact our parts sales department if you wish to return an item at 916-663-1560. All parts have a 30day warranty from manufacture defects. Please call our technical support line at 916-663-1560 x 231 to discuss a potential warranty claim. Thank you.