Thetford · Catalog Reference
Thetford 638837
Kit Service Door Assy Blk Replacement Sdl
638837 is the Thetford part number for the kit service door assy blk replacement sdl. It is printed in Thetford’s own parts documentation, which we hold a copy of and link below.
Current eBay listings for Thetford 638837
Search eBay for Thetford 638837eBay carries exact OEM numbers, discontinued parts and old stock that general retailers drop, which is usually where a part this specific turns up.
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Also search Amazon for this part number
Catalog Reference: this number appears in manufacturer documentation, but model compatibility has not yet been confirmed.
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What this number replaces
If you were looking for 623945 and 638839, this is the number those parts point to. Thetford marks them with “USE 638837”, so 638837 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
- Thetford parts list for N61/N81 SeriesPL_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 638837 is a real Thetford number, what Thetford calls it, and which parts lists carry it. Model compatibility has not yet been confirmed. That depends on your model year, build date and what is actually installed, and we do not publish a compatibility claim until we can show it in the manufacturer’s own document.
Current marketplace inventory
Listings from eBay
These results match your search terms. Camper Replacement Parts has not yet confirmed compatibility for this part.
Checking current eBay inventory…
Camper Replacement Parts is not the seller. Price, shipping, stock and item condition are set by the eBay seller and can change at any time. We may earn a commission if you buy through these links.