The 30 day warranty period starts when you take possession of the part. No labor warranty is provided. In the event a part sold with a warranty fails to operate within the warranty period we will replace the part(s) with a functionally equivalent part or refund the part purchase price, at our option. Original shipping charges and return shipping charges are not refunded. Once you obtain an RMA number, ship the item to: Kramers Auto Parts 3405 N Hwy 281 Grand Island, NE 68003 Please include the RMA number --> SHIPPING NOTES ABOUT US HELP Kramers Auto Parts ships to US addresses within the 48 states via UPS. No Alaska, Hawaii, Puerto Rico, APO, FPO or PO Box please. Pick up at our facilities is available. Please message us prior to your purchase to arrange pick up. Items will be shipped within 1-2 days of purchase. Most areas in the US are within 5 days. If you have a question about a part please contact us BEFORE purchasing. We are happy to provide additional information and/or photos of the items. We try to answer all messages within 24 hours. If we are unable to answer your questions before the listing ends the item will be re-listed again soon for you to purchase. Parts Grading. A standard code system is used to communicate the condition and quality of a part between automotive recyclers, automotive repair shops, and insurers. Knowing how these codes are used will help you understand whether the part meets your expectations before you buy it and what you can expect from the part when you receive it. A Grade - The highest quality part. It is of low miles and/or exceptional condition for its age. B Grade - The second level quality part. It is of average miles and normal condition for its age. C Grade - The third level quality part. It has high miles and/or light damage. No Grade - A part that has not yet been graded.