The Sierra 116 368 0143 Permeation Fuel Feed is a must-have for anyone who wants to maintain their car`s performance... As a hesitant buyer, I was skeptical of its effectiveness, but it exceeded my expectations. As a result of using this product, I found that my car's fuel system worked efficiently with no leaks. The fuel feed is durable and long-lasting making it a great investment. however, the only downside is that it may not fit all car models, so do your research before purchasing. Overall,See full review