Thetford parts reference
Thetford 638839
Kit Service Door Assy Replacement Sdl
638839 is the Thetford part number for the kit service door assy replacement sdl. It is printed in Thetford’s own parts documentation, which we hold a copy of and link below.
Thetford says to use 638837 instead
Thetford marks this number with “USE 638837” on its own parts list, which is the manufacturer telling you 638837 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: 638837
What this number replaces
If you were looking for 624813, this is the number that part points to. Thetford marks it with “USE 638839”, so 638839 is the one to order.
Which parts lists carry this number
It appears on the parts list for the N61/N81 Series.
Where this comes from
- Document
- PL_N61N81_623421_20220221.pdf
- Published by
- Thetford
- Retrieved
- 2026-08-28
- File checksum (SHA-1)
f361065fe67f44994b37aef701822f85979a9186
What we have not checked
We can show you that 638839 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 That depends on your model year, build date and what is actually installed, and we do not publish a fitment claim until we can show it in the manufacturer’s own document.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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