Diesel engine parts is our fastest-selling category but we do our best to have most parts available in our inventory. We may have some parts waiting to be pulled, tested and/or cleaned that have not yet been listed. We are now a reseller of brand new parts with Mercedes-Benz and are slowly working to add more products to our online catalog--we can source many many parts that aren't yet listed here. If you don't find what you're looking for on our website, please contact us with your parts request. We specialize in OM617 and OM616 motors, and also do our best to carry a variety of parts for OM615 and OM603, as well as OM621, OM606, OM601 and OM602.