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Whiting Door Manufacturing Corp. · Trailer Parts
WHI1021
In stock · ships from Knoxville
This is a bottom roller shaft cover for Whiting overhead roll-up doors commonly found on dry freight trailers.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
Other applications
Used with bottom roller bracket assemblies (often part numbers 1371 or 7486). Always verify exact fitment against your Whiting door model.
Part data verified against 5 catalog sources
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It shields the roller shaft from dirt, moisture, and damage, helping to keep the door rolling smoothly. Replace it when the original cover is missing, broken, or rusted to prevent roller binding and door misalignment.
Part Number: WHI1021
WHITING BTM ROLLER COVER
Unit: ea
Dealer: Knox Trailers
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