Review on Mopar Part 52030377AB Fuel Filler by Robert Lemons

tl;dr: Perfect replacement but not the solution I needed. OEM replacement for my five year old cap. The truck (2016 RAM 1500) was throwing codes 0456/0457 and the gas cap and check engine lights were on in the dash. Replacing the cap didn't solve the problem; had to replace the evaporative system integrity module (aka leak detection pump) which is also available here at Revain from multiple sources. The gas cap was an inexpensive first step, but in the end the ESIM had to be purchased and replaced and the codes cleared before the lights could be reset. Buy these parts here and search "fix P0456" on YouTube - there are many others who have already done it!