Genuine Thetford replacement toilet seat and lid assembly for compatible Thetford C400 Mk2 cassette toilets fitted in caravans and motorhomes.

For compatible Thetford C400 Mk2 cassette toilets.

Important: Thetford has manufactured different versions of the C400 toilet range. The Mk1 and Mk2 seat assemblies should not be assumed to be interchangeable.