Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Utility Trailer Manufacturing · Body & Cab
3-2170-358
In stock · ships from Knoxville
This is a rear closure post for the right-hand side (R/S) of a Utility trailer's rear frame assembly.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Exact trailer model not specified in catalog; likely fits multiple Utility dry van or reefer trailer models that use this rear closure post length.
Part data verified against 1 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It serves as a vertical structural member that closes off the rear opening of the trailer body, commonly found in dry van or refrigerated trailers. The post is typically replaced when it becomes damaged from dock impacts, corrosion, or general wear.
Part Number: 3-2170-358
REAR CLOSURE POST R/S
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more