Top 10 Best dometic 300 toilet valve in 2026

Last Updated - 6/24/2026

🏆Best Choice

Beech Lane

Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300, 310, and 320, Increased Freeze Resistance, Long Valve Lifespan, Ultrasonic Sealing Safeguards Against Leaks (Natural)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•BEECH LANE UPGRADED REPLACEMENT VALVE FOR DOMETIC 300 SERIES TOILETS, REPLACES PART 385311641 - Stop breaking your back every year replacing your leaking toilet valve. This Beech Lane proprietary ant cracking valve design works to increase valve lifespan . Fits Dometic 300, 310, and 320 Series RV Toilets and replaces part 385311641
•FREEZE RESISTANT TECHNOLOGY HELPS PREVENT CRACKS- Features glass fiber reinforced polymer construction that is tested for improved crack resistance during freezing temperatures.
•OVER ENGINEERED DESIGN INCREASES VALVE LIFESPAN - This Beech Lane valve features a over-engineered body design for increased valve longevity and prolonged function.
•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.

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$19.99

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Rakiyada

Rakiyada Upgraded RV Toilet Valve Replacement Kit Compatible with Dometic 300, 301, 310, 311, 320, 321, 385311641 Dometic RV Toilet Parts with 385311658 Toilet Seal for Pedal-Flush Toilets

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•RELIABLE QUALITY: Rakiyada's upgraded RV toilet valves use ultrasonic welding technology, which greatly enhances the valve's durability, making it less prone to cracking and ensuring a longer service life. (The black areas around the edges of the valve are not dirt; this is a normal phenomenon caused by ultrasonic welding.)
•COMPATIBLE MODELS: These RV parts are compatible with the following Dometic series: 300, 301, 310, 311, 320, and 321. The valve can replace OEM part number 385311641, and the seal can replace OEM part number 385311658.
•DESIGNED SPECIFICALLY FOR FROST RESISTANCE: The valve (385311641) in the kit is made of thermoplastic polymer structural material, and the seal (385311658) is made of high-quality rubber compound material. All components have undergone rigorous testing and inspection to ensure original factory performance and outstanding durability.
•EASILY SOLVE THE PROBLEM: These RV toilet parts are simple and easy to use. Installation videos are also easy to find online. They can solve odor and water leakage problems and provide a better flushing effect, giving you a clean RV toilet. You will receive 1 toilet water valve, 1 flush ball seal, 1 hose clamp, 2 screws and washers, and 2 stainless steel mesh filters (for future maintenance).
•BUY WITH CONFIDENCE: If you have any problems when using this RV toilet valve replacement kit, please feel free to contact our after-sales team through Amazon, we provide 24 hours 100% satisfaction service.

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$18.99

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Halotronics

Halotronics Upgraded RV Water Valve Replacement Kit for Pedal-Flush Toilets (2-Pack), Compatible with Sealand Dometic 300, 301, 310, 311, 320, 321 (385311641) - Hardware Included, 2024 Model

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Features | This replacement kit includes all the necessary parts to get your valve working properly. Designed with increased freeze-resistant materials.
•Design | This valve is simple to use. Attach threaded spout to the outgoing water supply hose. Next, snap the opposite end into incoming water supply.
•Quality | Strong and durable ABS plastic ensures a perfect fit for your existing toilet’s hardware. The threaded spout screws in tight into your water line to protect from leaks, and is resistant to fractures prolonging use.
•Installation | This valve is easy to install. All you need is a few simple tools. Simply place the product and screw down until secure. Once installed, this valve is easily removed and will not damage your toilet or water line.
•Specifications | This package comes with 2 water valves. Included parts: water valve, hose clamp, and screw fasteners. Replacement for part number 385311641.

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$18.99

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Dometic

Dometic 385311641 Genuine OEM Water Valve Kit | 300 301 310 320 Dometic and Sealand Toilets | Includes Hose Clamp and Fasteners | White Compact Kit for Efficient Repair and Replacement

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Includes water valve, hose clamp, fasteners and instructions
•Package Dimensions: 12.7 L x 2.54 H x 10.414 W (centimeters)
•Package Weight : 0.022 pounds
•Country of Origin : United States

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$57.99

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Afriod

385311641 RV Toilet Water Valve and 385311658 Flush Ball Seal Replacement for Sealand Dometic 300 310 320 RV Toilets, Pedal Flush Marine Toilet

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•RV toilet valve kit includes 1 x 385311641 water valve, 1 x 385311658 Flush Ball Seal ,1 x hose fasteners , 2 x screws and 2 x Stainless Mesh Filters
•The 385311641 Toilet Water valve kit and 385311658 flush balloon kit in this kit are compatible with most Sealand, Traveler, VacuFlush, and pedal flush toilets. Whether it is an RV travel trailer toilet, or a camper toilet, it can be perfectly adapted. 385311641 domestic rv toilet flush valve Replaces water valve on 300, 310 and 320 series flush toilets as well as RV camper vacu-flush
•High quality material:385311641 water valve kit is Made of high-quality materials, water valves and seals have excellent durability and corrosion resistance, and can work stably under various environmental conditions, extending the service life of the toilet and reducing the frequency of maintenance and replacement
•Reliable performance: The water valve precisely controls the flow of water to ensure a stable and efficient flushing process, while the flush ball seal provides a good sealing effect to prevent leakage problems and keep the bathroom clean and dry
•Widely applicable: Not only for motorhome travel enthusiasts, but also ideal for boat owners and other users who need to maintain pedal flush toilets.Whether on land or water, this replacement provides reliable performance support for your toilet

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$13.99

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ZYLJHZ

2 Pack 385311641 rv water valve kit,Camper toilet valve replacement kit With Flush Ball Seal Replacement for Dometic and Sealand 300, 301,310,311,320,321 RV Toilet,Ultrasonic technology, leak proof

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•385311641 Toilet Valve Kit：New Upgraded 385311641 Toilet Valve Kit For Improved Performance And Service Life，Reduce Valve Application Failures，Effectively Solving The Problem Of Rv Toilet Leakage And Odor
•Compatibility: 385311641 Water Valve Kit Suitable For Dometic Toilets Series 300, 301, 310, 311, 320, 321, And Compatible With Sealand, Traveler, Vacuflush, And Pedal-Flush Toilets
•High Quality:The 385311641 Rv Water Valve Made Of High Quality Abs Material, Thicker And Stronger,Anti Freezing And Anti Cracking，Longer Usage Time，And Unique Ultrasonic Welding Is Used For Valve Joints To Effectively Prevent Leaks
•385311641 RV Toilet Water Valve Kit ：The 385311641 RV Toilet Water Valve Kit includes 2*385311641 Toilet Water Valve，2*hose clamp，2*385311658 flush ball，4 *stainless steel mesh filters，4* screws
•Note：Before purchasing, please check if your RV toilet is suitable for our 385311641 Toilet Water Valve, and during the installation of the RV toilet valve, please ensure that the button with the correct angle is installed to prevent damage

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$25.96

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Blutoget

Blutoget Upgraded 385311641 RV Water Valve Kit - Toilet Valve for Sealand Dometic 300, 301, 310, 311, 320, 321 Series Pedal-Flush Toilets - Fits Camper Trailer

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•√√ PRODUCT SPECIFICATIONS : 385311641 RV toilet valve Kit is a Well-Sealed toilet valve. RV toilet valve 385311641 is made of strong and durable ABS and metal. All seals and connections on valves have been strengthened and thoroughly tested to ensure they do not leak. Rv toilet flush valve 385311641 With antifreeze technology, DOmetic 300 toilet valve Replacement can resist low temperature environment, good sealing，durable not easy to be broken , 385311641 DOmetic toilet valve Replacement can use for a long time. 385311641 RV Water Valve has been newly upgraded to improve the leakage problems , better sealing,please rest assured that the purchase, any questions can always contact us
•√√ PACKAGE INCLUDES :385311641 rv toilet valve replacement kit includes 1 x water valve, 1 x hose fasteners , 2 x screws and 2 x Stainless Mesh Filters. 385311641 toilet valve includes all necessary parts to get your valve working properly. 385311641 rv flush valve is well designed has very good sealing to safeguard against common plunger leaks. DoMetic 300 toilet water valve 385311641 Designed to protect from leaking and not easy to be broken
•√√ HIGH COMPATIBILITY : 385311641 Toilet Water Valve Kit fit for Sealand, Traveler, VacuFlush, and pedal-flush toilets,rv toilet water connector,new durable plastic water valve kit,travel trailer toilet parts,rv water toilet valve,water valve for camper toilet.385311641 domestic rv toilet flush valve Replaces water valve on 300, 310 and 320 series pedal-flush toilets as well as RV camper vacu-flush.If you are not sure of your machine model,contact us,we are happy to solve this problem for you
•√√ 90 DAYS GUARANTEE :Risk-free shopping.385311641 320 rv toilet Valve is made of premium quality material, supports 90 DAYS after-sales service.High quality, good price, high speed Amazon official logistics.We promise to ensure your absolute satisfaction with every purchase.If you have any quality problem about 310 toilet , please contact customer service in time.We will show you a sincere attitude and satisfactory solution.Customer satisfaction is our tireless pursuit
•√√ EASY TO INSTALL : 385311641 dOmetic rv toilet valve Replacement can be installed without too many tools, just screw down and you make sure that settled properly and securely,Attach threaded spout to the outgoing water supply hose. Next, snap the opposite end into incoming water supply.also easy to remove without worry about breaking your toilet.Important: If the angle of the button is not installed properly, It will result the button is easy to be damaged because of the incorrect installed Physical angle

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$9.97

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TOMOON

Upgraded Do.metic Toilet Valve Replacement Kit (385311641) for Do.metic 300/310/301/311/320/321 - Frost/Leak Proof Fits RV Camper Marine

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Wide & Precise Compatibility--This 385311641 do.metic toilet valve kit is specifically engineered to fit Dom.etic 310, 300, 320, 311, 321 series RV toilets—the most popular models for U.S. RV owners. It replaces OEM part numbers 385311641 (water valve) making it a direct replacement for Sealand, Traveler, and Vacu-Flush pedal-flush toilets. Perfect for RV campers, marine boats, and travel trailers. Note: Does NOT fit Do-metic 506, 706, 709, 806, 808, or other unmentioned models.
•Advanced Frost Resistance & Durable Construction --Designed for all-season use, this dom-etic rv toilet valve features ultrasonic welded joints and reinforced polymer material—passing rigorous freeze tests at -20°F (-29°C). Unlike cheap plastic valves that crack in winter, it withstands harsh cold, making it ideal for winter camping in the Midwest or mountain regions. Crafted with factory-grade materials, it resists wear, corrosion, and mineral buildup (common in RV water systems), ensuring long-term reliability and a leak-free seal for years.
•100% Leak-Proof Performance --Say goodbye to messy drips and water waste! The kit includes a precision-molded 385311658 rubber flush ball seal and threaded hose connections that lock securely in place. High-density seals and stainless steel hose clamps eliminate common piston leaks—protecting your RV’s flooring from water damage and preserving your water tank supply. Every do-metic toilet valve in this kit undergoes pressure testing to guarantee zero leakage, even under frequent use.
•All-in-One Kit with Complete Components--No need to buy extra parts—this do-metic toilet valve kit includes everything you need for a full replacement: 1 x 385311641 water valve 1 x stainless steel hose clamp 2 x stainless steel mesh filters (prevents mineral clogging) 2 x mounting screws All components are pre-packaged and labeled, saving you time on sourcing separate dome-tic 310 toilet parts or do-metic 300 toilet parts.
•Tool-Free, 5-Minute Installation-- Installing this dom-etic rv toilet valve kit is simple—no professional skills or extra tools required! Just follow 3 easy steps: Remove the old valve/seal from your Do-metic pedal-flush toilet; Secure the new 385311641 valve with the included screws; . Even if you’re new to RV repairs, online installation videos (search “replace water valve on dom-etic 310 toilet”) can guide you. Restores optimal flushing performance in minutes—fixes weak flushes, noisy valves, or odor issues caused by old parts.
•2-Year W-arranty & Satisfaction Guara-ntee We stand behind our d-ometic toilet valve kit with a 2-year manufacturer’s wa-rranty. If the valve cracks, the seal leaks, or any component fails during normal use, contact us for a free replacement or f-ull refund—no questions asked. Our 24/7 customer team is ready to assist with compatibility checks or installation help. Buy with confidence, knowing you’re getting a reliable solution for your dome-tic 310/300/320 series toilet.

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$9.93

$10.99

-10%

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ZELYVER

385311641 RV toilet valve kit Fits for Dometic 300|301|310|311|320 |321 Pedal-Flush Toilets Leakage Resistance RV Toilet Parts With Flush Ball Seal

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•[Fitment]385311641 RV toilet valve kit is Designed for Sealend Dometic 300|301|310|311|320 |321 Pedal-Flush Toilets. Not fit for Models: 210, 510 and other models not mentioned. Be sure to check the compatibility of the toilet model before purchasing.
•[Function]The water flow into the toilet stops; Filter blockage; Damaged water valve; Water leaks from the water valve; An unpleasant odor; The seal is damaged or deformed.
•[Function]Improve frost resistance and extend valve life - made of high-quality ABS plastic, durable, wear-resistant, and leak proof. Perfectly matched with existing toilet hardware. Threaded outlet with flexible sealing tape screws, fixed to the pipeline to ensure no leakage or rupture in cold weather.
•[Package Include]1* 385311641 toiletwater valve / 1* Hose Clamp / 2* Mesh Filter / 1* Rubber Flange Seal / 2* Screws / 2*metal pads/ 1* rolls flexibility seal tapes.
•[Note] Please confirm whether the product is compatible with your vehicle model before purchasing. Our warranty is one year. If you have any questions, please contact us

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$9.99

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Halotronics

Halotronics Upgraded RV Water Valve Replacement Kit for Pedal-Flush Toilets, Compatible with Sealand Dometic 300, 301, 310, 311, 320, 321 (385311641) - Hardware Included, 2024 Model

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Features | This replacement kit includes all the necessary parts to get your valve working properly. Designed with increased freeze-resistant materials.
•Quality | Strong and durable ABS plastic ensures a perfect fit for your existing toilet’s hardware. The threaded spout screws in tight into your water line to protect from leaks, and is resistant to fractures prolonging use.
•Specifications | This package comes with 1 water valve. Included parts: water valve, hose clamp, and screw fasteners. Replacement for part number 385311641.

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$9.99

$10.99

-9%

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