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Freeze resistant technology prevents cracks | Features glass fiber reinforced polymer construction that is tested down to -22 Degrees F for crack resistance during freezing temperatures.
Rotary seam melting completely seals valve Seams | Engineered with a hexagonal inner structure to the cap to allow for complete seam sealing during production between cap and valve body with rotary melting. Compare to dometic sanitation 385311641 Water Valve Kit F300/F310 Fits dometic 300, 310, and 320 Series RV Toilets. Lifetime manufacturer warranty | Beech Lane Lifetime Manufacturer Warranty covers valve replacement in event of failure.


We have no affiliation with or endorsement from any of the manufacturers mentioned.
Please note: this is an aftermarket replacement product produced by Mission Automotive meeting or exceeding the quality of OEM seals based on in-house testing. These flush ball seals replace Dometic TM flush ball seal kits # 385311658.




Installation | this valve is easy to install. Simply place the product and screw down until secure. Quality | strong and durable abs plastic ensures a perfect fit for your existing toilet’s hardware.
Next, 301, 320, snap the opposite end into incoming water supply. Included parts: water valve, 320, 311, 301, hose clamp, and screw fasteners. Attach threaded spout to the outgoing water supply hose. The threaded spout screws in tight into your water line to protect from leaks, and is resistant to fractures. All you need is a few simple tools.

Bougerv flush ball seal is soft, firm enough to seal properly. What you'll get: 1 year warranty & lifetime customer service. Our flush ball gaskets are a perfect fit for dometic 300/ 310 rv, motorhome and trailer toilets.
These flush ball seals replace Dometic flush ball seal kits # 385311658. Easy installation, only been in place a few minutes. Just popped the old seal out no disassembly required of the toilet and put the new flush ball seal in place ensuring it's seated in fully. Notice: any use of a dometic Brand or model name is used solely to describe & illustrate the compatibility of our product.

Ideal diameter to ensure a proper fit at 4 inches. High-quality materialit made of high-quality rubber to ensure high performance, durability, good tightness to ensure seal properly, anti-friction, softness, no worry about leaking.
Anyone can do It for only minutes to install. Easy installationit’s easy to install and replace your leaking flush gasket seal, just popped the old seal out no need to disassemble the toilet and put the new flush ball seal in place ensuring it's seated in fully. Inner Diameter: 2. 75 inches.
1. DOMETIC
#ad
DOMETIC 385311658 Flush Ball Seal Kit
#adDOMETIC #ad - Includes seal and instructions only. Package dimensions: 0254 l x 16. 764 h x 14. 224 w centimeters. Package weight : 0045 kilograms. Country of Origin : China.More information #ad
Brand | DOMETIC #ad |
Manufacturer | Dometic #ad |
Height | 0.4 Inches |
Length | 7 Inches |
Weight | 0.05 Pounds |
Width | 5 Inches |
Part Number | 385311658 |
Model | 385311658 |
More information #ad
2. Beech Lane
#ad
Patent Pending Double O Ring Safeguards Against Leaks, 310, Beech Lane Upgraded Water Valve Kit 385311641 for Dometic Toilets 300, and 320- Freeze Resistant Technology
#adBeech Lane #ad - Patent pending double o ring safeguards against Leaks | Beech Lane has a Patent Pending double recessed O Ring on the valve plunger to safeguard against common plunger leaks. Re-engineered replacement valve for dometic 300 series toilets | lifetime manufacturer warranty | stop breaking your back every year replacing your leaking toilet valve with another poorly designed valve.Freeze resistant technology prevents cracks | Features glass fiber reinforced polymer construction that is tested down to -22 Degrees F for crack resistance during freezing temperatures.
More information #ad
Beech lane has developed a Patent Pending valve that fixes the core issues which cause valve failure. Rotary seam melting completely seals valve Seams | Engineered with a hexagonal inner structure to the cap to allow for complete seam sealing during production between cap and valve body with rotary melting. Compare to dometic sanitation 385311641 Water Valve Kit F300/F310 Fits dometic 300, 310, and 320 Series RV Toilets. Lifetime manufacturer warranty | Beech Lane Lifetime Manufacturer Warranty covers valve replacement in event of failure.
Brand | Beech Lane #ad |
Manufacturer | Beech Lane #ad |
Part Number | BL-110-Master |
Model | BL-110-Master |
More information #ad
3. iFJF
#ad
For Sealand marine toilet replacement, New Durable Plastic Water Valve Kit 385311641 for 300 310 320 series
#adiFJF #ad - Durable plastic water Valve kit 385311641. 90 days money back guarantee, no question asked! - Doesn't fit your RV ? msg seller to get full REFUND! Also can works on RV Camper Vacu-flush. For water valve on 300 310 320 series pedal-flush Toilets.More information #ad
Brand | iFJF #ad |
Manufacturer | iFJF #ad |
Part Number | XL-WVK01-WH |
Model | XL-WVK01-WH |
More information #ad
4. Mission Automotive
#ad
Comparable to Parts Number 385311658 Kit, Ideal Replacement Gasket, Mission Automotive Dometic -Compatible Flush Ball Seal for 300/310 / 320 RV Toilets
#adMission Automotive #ad - High-quality material, made to last -- Our valve seals are made from a high-quality, application-specific rubber blend for optimal performance and a long-lasting lifespan. Perfect for 300 / 310 / 320 models -- our flush ball seals / flush ball gaskets are a perfect fit for Dometic TM 300, 310 and 320 RV, motorhome and trailer toilets.We have no affiliation with or endorsement from any of the manufacturers mentioned.
More information #ad
Does not fit 210, 510 or any Other Models Not Listed. Diy install saves money! don't go out an buy a new toilet or pay someone an arm-and-a-leg to change the seal - follow our instructions below and you'll be back up-and-running in no time. Please note: this is an aftermarket replacement product produced by Mission Automotive meeting or exceeding the quality of OEM seals based on in-house testing. These flush ball seals replace Dometic TM flush ball seal kits # 385311658.
Brand | Mission Automotive #ad |
Manufacturer | Mission Automotive #ad |
Height | 0.5 Inches |
Length | 4 Inches |
Width | 4 Inches |
Part Number | IP300310320 |
Model | IP300310320 |
More information #ad
5. DOMETIC
#ad
DOMETIC 385311641 Sealand Water Valve Kit
#adDOMETIC #ad - Country of Origin : United States. Includes water valve, hose clamp, fasteners and instructions. Package dimensions: 12. 7 l x 2. 54 h x 10414 w centimeters. Package weight : 0022 pounds.More information #ad
Brand | DOMETIC #ad |
Manufacturer | Dometic #ad |
Height | 1 Inches |
Length | 5 Inches |
Weight | 0.1 Pounds |
Width | 4.1 Inches |
Part Number | 385311641 |
Model | 385311641 |
More information #ad
6. JL-BRAND
#ad
New Durable Plastic RV Water Valve Assembly Camper Trailer Toilet Repair for 300 310 320series, for Sealand Pedal-flush Toilets RV marine toilet replacement for Dometic 385311641
#adJL-BRAND #ad - Includes water valve, hose clamp, fasteners. Check part numbers to ensure proper fit. For 300 310 320series - for sealand pedal-flush Toilets RV marine toilet replacement for Dometic 385311641. Durable plastic rv water Valve Assembly Camper Trailer Toilet Repair.More information #ad
Brand | JL-BRAND #ad |
Manufacturer | JL-BRAND #ad |
Part Number | XL-WVK01-WH-02 |
Model | XL-WVK01-WH-02 |
More information #ad
7. Dometic
#ad
Dometic 000-13522-001 Sanitation 302310081 310 Toilet White Std
#adDometic #ad - Universal Fit. Straight 2-bolt style toilets - most plastic RV toilet models 210, 110 Dometic/SeaLand models. 4-bolt style toilets - 510 and older models; Requires mounting adapter - sold separately.More information #ad
Angled 2-bolt style toilets - Older RV toilets models vary; Requires mounting adapter - sold separately.Brand | Dometic #ad |
Manufacturer | DOMETIC SANITATION #ad |
Height | 20 Inches |
Length | 19 Inches |
Weight | 39 Pounds |
Width | 15 Inches |
Part Number | 302310081 |
Model | 302310081 |
More information #ad
8. Halotronics
#ad
Sealand/Dometic 300, 301 310, 320, 321 Hardware Included, 311, Halotronics RV Water Valve Replacement Kit for Pedal-Flush Toilets
#adHalotronics #ad - This valve is simple to use. Once installed, this valve is easily removed and will not damage your toilet or water line. Design | this model is for use in sealand/dometic 300, 311, and 321 units.Installation | this valve is easy to install. Simply place the product and screw down until secure. Quality | strong and durable abs plastic ensures a perfect fit for your existing toilet’s hardware.
More information #ad
Features | this replacement kit includes all necessary parts to get your valve working properly. Specifications | compatible with sealand dometic part #385311641 for toilets 300, 310, 321. Next, 301, 320, snap the opposite end into incoming water supply. Included parts: water valve, 320, 311, 301, hose clamp, and screw fasteners. Attach threaded spout to the outgoing water supply hose. The threaded spout screws in tight into your water line to protect from leaks, and is resistant to fractures. All you need is a few simple tools.
Brand | Halotronics #ad |
Manufacturer | Halotronics #ad |
Height | 2 Inches |
Length | 7 Inches |
Width | 4 Inches |
Part Number | HT-WV03 |
More information #ad
9. BougeRV
#ad
BougeRV RV Toilet Flush Ball Seal Replacement RV Accessories Flush Ball Gaskets for Dometic 300, Dometic 310- Equivalent to Part Number 385311658 2 Pack
#adBougeRV #ad - Bougerv rubber flush ball seal is easy to replace and it keeps the water in place and the stink out. Outer diameter: 4 inch; inner diameter: 2. 75 inch. If you have any concerns or questions, please get in contact with BougeRV customer service.Bougerv flush ball seal is soft, firm enough to seal properly. What you'll get: 1 year warranty & lifetime customer service. Our flush ball gaskets are a perfect fit for dometic 300/ 310 rv, motorhome and trailer toilets.
More information #ad
Did you suffer for years with rv toilet not holding water? Not to worry. Does not fit models: 210, 510 or Other Models Not Mentioned. These flush ball seals replace Dometic flush ball seal kits # 385311658. Easy installation, only been in place a few minutes. Just popped the old seal out no disassembly required of the toilet and put the new flush ball seal in place ensuring it's seated in fully. Notice: any use of a dometic Brand or model name is used solely to describe & illustrate the compatibility of our product.
Brand | BougeRV #ad |
Manufacturer | BougeRV #ad |
Part Number | IRV048 |
Model | IRV048 |
More information #ad
10. Kohree
#ad
Kohree RV Toilet Flush Ball Ring Seal Kit Replacement Gaskets Sealand Parts for Dometic RV Toilets 300 310 320, Equivalent to Part Number 385311658 2 Pack
#adKohree #ad - Perfect rv toilet flush ball sealkohree flush ball seal is a perfect replacement part to properly fit Dometic 300/ 310 / 320 RV, motorhome, and trailer toilets. 1 year warranty & lifetime customer servicewe offer a protective package and 1-year warranty.Ideal diameter to ensure a proper fit at 4 inches. High-quality materialit made of high-quality rubber to ensure high performance, durability, good tightness to ensure seal properly, anti-friction, softness, no worry about leaking.
More information #ad
If you have any questions, please feel free to contact us. We are always ready to help. Cheap & finesave money on a new toilet, rubber flush ball seal is easy to replace and it keeps the water in place and the stink out. Anyone can do It for only minutes to install. Easy installationit’s easy to install and replace your leaking flush gasket seal, just popped the old seal out no need to disassemble the toilet and put the new flush ball seal in place ensuring it's seated in fully. Inner Diameter: 2. 75 inches.
Brand | Kohree #ad |
Manufacturer | Kohree #ad |
Part Number | HY0411-HM |
More information #ad