Thetford parts reference
Thetford 637591
Brace-Back
637591 is the Thetford part number for the brace-back. It is printed in Thetford’s own parts documentation, which we hold a copy of and link below.
What this number replaces
If you were looking for 627849, this is the number that part points to. Thetford marks it with “USE 637591”, so 637591 is the one to order.
Which parts lists carry this number
It appears on the parts list for the 2118 Series.
Availability
Thetford marks this number with an asterisk, and the legend on that document reads “NOT AVAILABLE”. Treat it as a number you can identify but probably cannot order new. If a supersession is listed above, that is your route.
Where this comes from
- Document
- PL_2118_637110_022025.pdf
- Published by
- Thetford
- Retrieved
- 2026-08-28
- File checksum (SHA-1)
9e1199a334ca2e63c02f6952e9b7ff71703ec017
What we have not checked
We can show you that 637591 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 That depends on your model year, build date and what is actually installed, and we do not publish a fitment claim until we can show it in the manufacturer’s own document.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
These results match your search terms. Camper Replacement Parts has not yet verified fitment or 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.