Replacement Trailer Wheel Center Cap with Retaining Screw

Question:

I am in search of a center wheel cap replacement for my 2006 starcraft centennial 3608 tent trailer. the diameter of the cap from outside to outside is 6.5. It has a little small lip on one side that slips into the wheel on one side and a screw that secures it on the other. Any thoughts?

asked by: Jon H

Expert Reply:

We offer trailer wheel center caps in sizes for a 2.84-inch wheel pilot hole, part # AM90113, all the way up to caps for wheels with a 5.15-inch pilot hole, part # AM90078. In about the middle of this range is the part # 319EZ that you referenced, which is the most common size for camper/trailer wheels which have a 3.19-inch pilot hole. We do not have a center cap like these with a 6-1/2-inch outside diameter.

I looked at several online photos of the 2006 Starcraft Centennial 3608 and many of the trailers shown appear to have been fitted with nice aluminum wheels. Send along a photo if you like. Sometimes specialty trailer wheels will have their own special center caps that match the cosmetics of the wheel, such as Hi-Spec wheel AM20455 which uses center cap # AM90091 or # AM90092B. These caps do use a retaining screw.

expert reply by: Adam R

Gardner B.

6/17/2020

HOW DO THEY BALANCE THESE SERIES 06 WHEELS WITH THAT LIP TO HOLD CAP?

Chris R.

6/22/2020

I'm not quite sure what you mean. Can you elaborate a bit more?

Gardner B.

6/22/2020

@ChrisR The center of wheel has a lip to bolt the hub cap to the wheel. When I bought my tires I wanted to have them balanced. The tire man told me that he couldn't because that lip stop the wheel tighter from going into the wheel to hold it for spin balancing. I've tried another shop and was told the same thing. They say trailer tires don't need to be balanced. I think their wrong on that.

Chris R.

6/25/2020

@GardnerB I gotcha! Balancing trailer tires/wheels can definitely be a bit tricky because of things like this (along with the fact that they're centered on the hub by the lug bolts and not the hub bore - which requires a whole different balancing procedure). I will say though that they're actually right, trailer tires really don't need to be balanced like passenger tires. They're main job is to simply support heavier weights, not provide a smooth ride for a passenger. It's very likely you wouldn't notice a difference between a balanced and non-balanced trailer tire.