Review on ONER AUTO PARTS Fuel Tank Filler Cap: Compatible with VW Jetta, GTI, Golf, Tiguan (2011-2020) - Replace # 5C0201550T, 5Q0201550L by Angel Cortez

I wasn't sure what the quality of this cap would be and if it would fit and would take care of my "Check Engine" light that had been on for months telling me that a minor Emission leak was present. As soon as I installed a new plug and cleared the code with the Check Engine info, it went away and didn't reappear after a few days of driving. Except for the green color on the inside, the cap is identical to the original VW cap.