Looking for replacement parts for your Dometic/Sealand Concerto Model 4310 RV 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 | 385311005 | White Toilet Seat |
| 1 | 385311006 | Bone Toilet Seat |
| 1 | 385311597 | Ebony Toilet Seat |
| 2 | 385311730 | 4300/4400 White Bowl Kit |
| 2 | 385311731 | 4300/4400 Bone Bowl Kit |
| 2 | 385311732 | 4300/4400 Ebony Bowl Kit |
| 3 | 385311009 | Flush Ball Seal Replacement Kit |
| 4 | 385311292 | Base Flush Ball Ring Kit |
| 5 | 385310969 | Flush Ball/Shaft Replacement Kit |
| 6 | 385311011 | Base to Bowl Mounting Hardware |
| 7 | 385311294 | Base O-Ring Replacement Kit |
| 8 | 385311003 | Flush Actuation Switch |
| 9 | 385311296 | Flush Ball Cam Replacement Kit |
| 10 | 385311297 | Flush Mechanism Return Spring |
| 11 | 385311303 | Flush Mechanism Linkage |
| 12 | 385311300 | Motor Replacement Kit (12VDC) |
| 13 | 385311299 | Motor Drive Arm Replacement Kit |
| 14 | 385311298 | Wiring Terminal Block Replacement |
| 15 | 385311736 | Manual Override Replacement Rod |
| 16 | 385311301 | Manual Override Replacement Return Spring |
| 17 | 385311547 | Water Supply Hose |
| 18A | 385311545 | Water Valve Kit (12VDC) |
| 18B | 385311709 | Retrofit Water Valve Kit (for 2009 & older models) |
| 19 | 385311022 | Bowl Mounting Hardware |
| 20 | 385310962 | Chrome Flush Handle |
| 20 | 385310963 | Gold Flush Handle |
| 20 | 385311141 | Nickle Flush Handle |
| 21 | 385311291 | Flush Handle Assembly |
| 22 | 385311290 | Flush Handle Switch w/ Wiring |
| 23 | 385311111 | 1-1/2″ Sealing Grommet |
| 24 | 385311869 | Corrugated Bowl Supply Hose |
| 25 | 385310807 | Vacuum Breaker Kit |
| 25 | 385310808 | Vacuum Breaker Kit for Hand Spray |
| 26 | 385310809 | Hand Sprayer – Chrome* |
| 26 | 385310873 | Hand Sprayer – Ebony* |
| 27 | 385311733 | Manual Override Guide - White |
| 27 | 385311734 | Manual Override Guide - Bone |
| 27 | 385311735 | Manual Override Guide – Ebony |
| 28 | 385311729 | 4310/4410 Plug-In Base Kit – White |
| 28 | 385311737 | 4310/4410 Plug-In Base Kit – Ebony |
| 29 | 385310064 | Floor Flange Mounting Hardware |
| 30 | 385311013 | Floor Flange Adapter Kit |
| 31 | 385343765 | 3” Spigot Floor Flange** |
| 31 | 385345892 | 3” Socket Floor Flange** |
| 31 | 385345889 | 3” MPT Floor Flange** |
| 31 | 307344653 | Floor Flange 45° Swivel** |
* Item #26 is an optional accessory; not provided with every model.
** Item #31 is sold separately; not included with the toilet.