Thetford · Catalog Reference
Thetford 638780
Kit Service Upper Hinge Pin Replacement Wrapped
638780 is the Thetford part number for the kit service upper hinge pin replacement wrapped. It is printed in Thetford’s own parts documentation, which we hold a copy of and link below.
Current eBay listings for Thetford 638780
Search eBay for Thetford 638780eBay 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 623899, this is the number that part points to. Thetford marks it with “USE 638780”, so 638780 is the one to order.
Which parts lists carry this number
It appears on the parts lists for 11 different models: 1200 Series, 1210 Series, 322/323 Series, N1095 Series, N180 Series, N300 / N400, N305 Series, N41 / N51 Series, N61/N81 Series, N62/N82 Series and N64/N84 Series. A number shared across several models usually means the component was carried over between them, which is useful when the exact list for your model is not the one you can find.
Where this comes from
- Document
- Thetford parts list for 1200 SeriesPL_322323_619722_20190306.pdf
- Published by
- Thetford
- Retrieved
- 2026-08-28
- File checksum (SHA-1)
42f5e0cc534e37f013b67a565a72116747f7ddd2
What we have not checked
We can show you that 638780 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 That depends on your model year, build date and what is actually installed, and we do not publish a compatibility claim until we can show it in the manufacturer’s own document.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…
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