You can get it on Amazon or from Tweetys, but it is best to get it from a local dealer so you can cut off a short piece of the existing and get an exact size match. It comes in several sizes and profiles.
Formerly posting as "littleblackdog"
Martha, Allen, & Blackjack
2006 Chevy 3500 D/A LB SRW, RVND 7710
Previously: 2008 Titanium 30E35SA. Currently no trailer due to age & mobility problems. Very sad!
"Real Jeeps have round headlights"