Looking for replacement parts for your Dometic/Sealand Masterflush 8900 Low Profile Series 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. 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 | 385311618 | Seat/Cover Slow Close – White |
| 1 | 385311619 | Seat/Cover Slow Close – Bone |
| 1 | 385311694 | Seat/Cover Wood – White |
| 1 | 385311695 | Seat/Cover Wood – Bone |
| 2 | 385880076 | 8900 Short Series Bowl Kit – White |
| 2 | 385880077 | 8900 Short Series Bowl Kit – Bone |
| 3 | 385311164 | ½” Sealing Grommet |
| 4 | 385880073 | Check Valve Replacement |
| 5 | 385880074 | Water Valve Kit – 12V DC |
| 5 | 385880075 | Water Valve Kit – 24V DC (includes items 3 & 4) |
| 6 | 385311547 | Water Supply Hose Replacement |
| 7 | 385311463 | Bowl Mounting Hardware Kit |
| 8 | 385880065 | Discharge Tube – Short Series (includes Anti-Siphon) |
| 9 | 385311315 | 1-1/2” Valve Adapter |
| 10 | 385880071 | 1-1/2” Valve Adapter Elbow |
| 11 | 385880072 | 1” Valve Adapter |
| 12 | 385311620 | 1-1/2” Check Valve |
| 13 | 385880070 | Discharge Tube Valve Adapter |
| 14 | 385880067 | Bowl Outlet Elbow |
| 15 | 385880085 | Control Module 12/24V DC (DBL) |
| 16 | 385880068 | Motor/Macerator Assembly – 12V DC |
| 16 | 385880069 | Motor/Macerator Assembly – 24V DC |
| 17 | 385880083 | Motor/Mac Mounting Strap |
| 18 | 313600021 | Dometic Touchpad Flush Switch – White |
| 18 | 313600022 | Dometic Touchpad Flush Switch - Black |
| 19 | 313409010 | Dometic Flush Control – Std Gray |
| 19 | 313409020 | Dometic Flush Control – Std White |
| 20 | 313409030 | Dometic Flush Control – Playbus Gray |
| Not Shown | 385880082 | Dometic Touchpad Flush Switch Cable |
| Not Shown | 385880081 | Vimar/Gewiss Flush Switch Wire Harness |