Works great, brand new, looks official and the same as the old cap, I bought it hoping that it will fix the annoying emissions dreaded check engine and cruise control light error on the dash cluster on a family members Subaru Forester. So far so good and I believe the new cap has stopped it. The family member is very happy with the new cap. Guessing the rubber seal eventually breaks down over time which allows emissions to seep out and the car detects it, Many thanks A+++