Thetford parts reference
Thetford 636143
Control Door - Tuape
636143 is the Thetford part number for the control door - tuape. It is printed in Thetford’s own parts documentation, which we hold a copy of and link below.
Thetford says to use 638779 instead
Thetford marks this number with “USE 638779” on its own parts list, which is the manufacturer telling you 638779 is what to order now. That instruction comes from the document, not from us, and not from what sellers happen to call the part.
Current number: 638779
Which parts lists carry this number
It appears on the parts list for the N305 Series.
Where this comes from
- Published by
- Thetford
- Retrieved
- 2026-08-28
- File checksum (SHA-1)
f371ffe225fcf7b6978e8950133881c2c370e81a
What we have not checked
We can show you that 636143 is a real Thetford number, what Thetford calls it, and which parts lists carry it. We have not verified that it fits your camper. That depends on your model year, build date and what is actually installed, and we do not publish a fitment claim until we can show it in the manufacturer’s own document.
Current marketplace inventory
Listings from eBay
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