Your gas tank lid would not stay closed because of a plastic hinge, There's no need to replace the whole housing, With our redesigned hinge kit, Help you fix your loose gas cap
2009-2020 F150 fuel door hinge latch permanent repair kit comes with a redesigned metal hinge, a washer and a R type cotter pin
Fits: 2009-2020 F150 and 2011-2019 Edge Explorer, Reference part number: FL34-9927936-A
Note: It's a tricky to get the spring off, It's more harder than 2009-2014's spring! I think the spring is far more stronger than before. Once replaced, There is no need to worry the fuel door loose any more
It's a permanent fix, less expensive than replacing the whole door. And make sure to insert the spring into the top hinge part before installing(Important)!