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RV Cassette Toilet Lip Seal - Ref. 23721 / 33361, 110 × 75 × 17 mm

Original price $7.90 - Original price $7.90
Original price
$7.90
$7.90 - $7.90
Current price $7.90
Availability:
100 in stock, ready to be shipped

Shipping to United Arab Emirates · USD

Shipping options and final rates are shown at checkout.

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30-Day Return Policy

You have 30 days after receiving your item to request a return. Return shipping costs are the customer’s responsibility unless the item is damaged, defective, or incorrect.

Match the original lip-seal reference and profile

A black aftermarket lip seal for a matching cassette-toilet seal arrangement. The original product dimension photograph shows 110 mm outside diameter, 75 mm inside diameter and a 17 mm profile reference. Compare your removed seal, original part number and toilet revision before ordering.

Specifications and options

Colour Black
Outside diameter shown 110 mm
Inside diameter shown 75 mm
Profile thickness shown 17 mm
Original-part reference guide 23721; older reference 33361 superseded by 23721
Brand relationship ROQIFY aftermarket replacement; not a genuine Thetford part
Fit check Match the original reference, seal profile and toilet revision; not reference 16175

Original seal dimensions

Original black lip seal dimension photograph showing 110 mm outside diameter, 75 mm inside diameter and 17 mm thickness reference.
Compare the full seal profile and seating lip as well as the overall dimensions.

Seal position reference

Supplier diagram showing the lip seal and an arrow to the upper seal position on a cassette waste tank.
Supplier position illustration. The tank shown is context and does not establish fit with every cassette revision.

Replacement checks

  1. Identify the toilet and waste-tank revision and check the original seal reference before disassembly.
  2. Follow the toilet manufacturer procedure to remove the old seal and clean the seating area.
  3. Compare the replacement profile, lip orientation and dimensions with the removed part before fitting.
  4. Check blade movement and sealing after assembly using the toilet manufacturer procedure.

Thetford C200 S/CS official parts list, Revision C, 24 February 2025 identifies original reference 23721 as the post-15 June 2000 lip seal and supersedes 33361.

Send ROQIFY the original part number, toilet model and seal photographs if you need help checking the replacement.

Product details

Match the original lip-seal reference and profile

Thetford’s C200 S/CS parts list identifies 23721 as the post-6/15/00 lip seal and records 33361 as superseded by 23721. These identify the original part reference; they are not two size options or proof of compatibility with every cassette toilet.

Specifications & installation

Specifications and installation

Colour: Black; Outside diameter shown: 110 mm; Inside diameter shown: 75 mm; Profile thickness shown: 17 mm; Original-part reference guide: 23721; older reference 33361 superseded by 23721; Brand relationship: ROQIFY aftermarket replacement; not a genuine Thetford part; Fit check: Match the original reference, seal profile and toilet revision; not reference 16175

See the product description for the dimension reference, application image and fit checks.

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