DORMAN 911 508 Evaporative Vacuum Valve Review

Based on our own experience with this part, we can confidently say that installation was a breeze and the performance improvement was noticeable. The fit was perfect and we appreciate the durability of the material..

This vacuum valve is a game changer for my automotive exhaust and emissions system .Using this product, our team found that the emissions percentage decreased dramatically. the installation process was also super easy. It comes with a specific instruction manual which made the whole process quick and intuitive. The only downside is the high price, but considering the positive impact it has on the environment, its worth the investment. Overall, a great buy for anyone who wants to make a small…

Perfect fit for my 04 Frontier V6 4x4. Hard to believe that a small piece of plastic costs so much! I got a 1491 TC which is for a bypass valve (solenoid) with a vacuum valve which I also replaced. I was lucky it was going to go bad next week so I replaced both. I just installed so I hope TC doesn't show up.