Worked for me

I bought this because my topper wasn't compatible with the wide stock version. As mentioned by other reviewers this cap may not fit perfectly because it is a little too wide, but it worked for me because I have a plastic bed liner and the lip of this cap slides under the bed-liner material that is attached to the tailgate so it all stays attached nicely, otherwise I could see how that back edge could pop off and snag on stuff that you were pulling out of your truck.

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