Looking for replacement parts for your Dometic/Sealand 511 PS model gravity flush toilet? Refer to the list below to find the part number you need.
As a Dometic Master Distributor, Environmental Marine carries a full line of replacement parts for Dometic/Sealand marine toilets and RV toilets. If you can’t find the part you’re looking for in our online store, contact our team and we’ll track it down for you!

| Item Number | Part Number | Item Description |
|---|---|---|
| 1 | 385343829 | Seat/Cover – White |
| 1 | 385343831 | Seat/Cover – Bone |
| 2 | 385310739 | China Bowl – White |
| 2 | 385310740 | China Bowl – Bone |
| 3 | 385310048 | Bowl/Base Clamp Kit |
| 4 | 385311462 | Flush Ball Seal Replacement Kit |
| 5 | 385310064 | Mounting Hardware |
| 6 | 385310108 | Pedestal Cover – White |
| 6 | 385310109 | Pedestal Cover – Bone |
| 7 | 385310063 | Floor Flange Seal (includes Item 5) |
| 8 | 385318162 | Flush Ball, Shaft, Cartridge Kit – White (includes item 11) |
| 9 | 385311551 | Pedal Cover – White |
| 9 | 385311552 | Pedal Cover – Bone |
| 10 | 385314349 | Water Valve Kit |
| 11 | 385236096 | Spring Cartridge Kit |
| 12 | 385311553 | Pedal/Lever & Cartridge Kit (includes Item 11) |
| 13 | 385340177 | Bowl Water Supply Hose – White |
| 13 | 385345377 | Bowl Water Supply Hose – Bone |
| 14 | 385316906 | Vacuum Breaker Kit (includes Item 15) |
| 15 | 385311164 | 1/2” Sealing Grommet Kit |
| 16 | 385312004 | 511 PS Base Kit – White (includes Items 3-12) |
| 16 | 385312005 | 511 PS Base Kit – Bone (includes Items 3-12) |
| 17 | 385345889 | 3” MPT Floor Flange* |
| 17 | 385345892 | 3” Socket Floor Flange* |
| 17 | 385343765 | 3” Spigot Floor Flange* |
| 17 | 385310961 | 45° Swivel Floor Flange (must be used with seal included in kit)* |
*Item 17 is sold separately; not included with the toilet.