towing part number

i got an aftermarket bumper mount towing receiver for my truck for christmas. havent installed it yet. the one thing i noticed is when i run the bolts through the bumper, i cant place the plastic caps back on top. i noticed on toyota's webpage with their towing kit they have caps that are taller and replace the old caps. heres a pic of what im talkin about



anyone know if there is a part number just for those two caps so i can order them?

 

I found that I was able to grind the caps where they were hitting, (on my '09),and they fit back on. Any Toyota dealer should be able to order the caps for you.

 

Yeah--when I installed my Valley hitch, I cut back the "X" plastic on the bottom of the caps until they would install without interfering with the head of the bolt. Problem solved...

 

http://www.tacomaworld.com/forum/technical-chat/29490-part-numbers-your-truck.html

 

i havent used that specific parts finder, but other online part finders i havent been able to find specific part numbers for those two pieces. i may try to grind the caps first