Can't find the VW diesel pistons or VW diesel piston rings you're looking for? We have more than 20,000 VW parts in stock and not all of our parts are listed online. So, call us at (586) 757-2300 with your questions about VW diesel piston and VW replacement piston rings. We'd love to share our thirty years of Volkswagen knowledge and experience with you. We understand that properly functioning VW diesel pistons and VW diesel piston rings are crucial for the safety and performance of your Volkswagen and we're here to help you keep your VW diesel on the road.