An absolutely indestructible replacement for the notoriously brittle and leaky plastic OEM VR6 coolant pipe. If your VR6 is losing coolant and you aren't sure where, the crack pipe could be the culprit. These machined billet parts are a great measure of preventative maintenance and seal better than factory with their aircraft grade 0-rings. Don't get stranded, buy some peace of mind that will last the lifetime of your car. Fits Mk3/Mk4 12v VR6 vehicles