• Toilet Cassette Lip Seal Part Number: 23721
  • Fitment Vehicles: Compatible With Thetford Cassette Toilet Lip Seal C200, C250, C400, C500, C2, C3 and C4 models. Please note this will only fit models after June 2000.
  • The full diameter is 110mm; the inner diameter is 80mm. Note to check whether the size matches your model.
  • Easy to insert and install, a direct replacement for damaged and old toilet cassette lip seals.

  • Cassette lip seal suits Late Thetford toilets.

    • This is the large gasket that fits over the top of the cassette reservoir.
    • Suitable for the following Thetford toilets produced after June 15, 2000.
    • Fitment Vehicles:

    Compatible with Thetford C2

    Compatible with Thetford C3

    Compatible with Thetford C4

    Compatible with Thetford C200

    Compatible with Thetford C250

    Compatible with Thetford C400

    Compatible with Thetford C500

    • Thetford Part Number: 23721
    • utside diameter: 110mm
    • Inner diameter: 74.76mm