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.

Whiting · Trailer Parts
WHI83
In stock · ships from Knoxville
This rubber track stop bumper mounts at the top end of the horizontal roller track on a truck or trailer roll-up door.
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
Only fits 2-inch roller track; will not work with 1-inch roller track. Hardware (bolt and nut) typically sold separately or in a kit.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 4 of 4.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It cushions the door when fully open and prevents it from sliding out of the track. Designed specifically for tracks that use 2-inch rollers, it is a common component on Whiting brand doors. Replace it if the original bumper is cracked, missing, or hardened to protect the door and track from damage.
Part Number: WHI83
TRACK STOPS 2
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more