Top 10 Best toilet parts in 2026

Last Updated - 6/6/2026

🏆Best Choice

NZRAQK

RV Toilet Seal, Flush Ball Seal Gasket Replacement 385311658 for Dometic 300/310/320, High-Grade Rubber, Toilet Seal Parts Solve The Leakage Problem, 2-Pack

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【SOLVE PROBLEM】This RV toilet seal parts can fix the odor and water leakage problems caused by the broken original rubber gasket, and keep the water in place and discharge the peculiar smell, so as to achieve a better flushing effect, providing you with a clean RV toilet environment.
•【COMPATIBILITY】Our flush ball gaskets are a perfect fit for Dometic 300/ 310/ 320 RV, Our seal is designed to replace the 385311658 RV toilet seal kit，DOES NOT FIT MODELS: 210 510 or Other Models Not Mentioned.
•【HIGH-QUALITY MATERIAL】Our 385311658 RV toilet seal kit is manufactured with premium grade rubber blend, use original device to make molds making gasket fit perfectly. strong sealing, wear resistance and long life characteristics. Easily solve the problem of water leakage, so you can travel without worry.
•【EASY INSTALLATION】1, Turn off the water supply 2, remove the old flush ball(no disassembly required of the toilet) 3, install the new one in the same place.note that the "THIS SIDE UP" side is facing up 4，ensuring it's seated in fully, check for leaks.
•【QUALITY CUSTOMER SERVICE】 We strive to maintain fairness and honesty with all customers,including providing a 30-day return and exchange policy. If you have any questions, please feel free to contact us.. We will provide you with 24 hours online service.

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$8.99

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RNTKAB

RV Toilet Seal, Flush Ball Seal Gasket Replacement for Dometic 300/310/320 - Upgraded 385311658 - Toilet Seal Parts to Solve The Leakage Problem, 2-Pack

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Solve Problem: This RV toilet seal replacement the problem of odor and water leakage when the original rubber gasket breaks. It can stabilize the water level, discharge odor, ensure a more effective flushing process, and provide you with an original RV toilet space.
•Compatibility: Our RV toilet replacement seal is a perfect substitute for Dometic 300/310/320 RV. Its design is very accurate, and its quality exceeds that of OEM. Please note that it does not apply to models 210, 510 or other models not mentioned.
•Upgraded Materials: The RV toilet's sealing parts, molded with original equipment, ensure a perfect fit and are upgraded with a superior rubber blend for extended lifespan. They have excellent sealing ability and wear resistance, effectively resolving water leakage.
•Easy to install: 1. Shut off the water supply. 2. Remove the old flush ball (no need to disassemble the entire toilet). 3. Install the new seal in the same position, making sure the "THIS SIDE UP" side is facing up. 4. Ensure it is properly seated and conduct a leak check.
•Packaging Content: Our Flush Ball Seal Gasket are available in 2, 3, or 4 sets as options; Provide alternatives for Dometic 300/310/320 RV toilets; Very suitable for retaining spare parts for future replacement, Part #385311658

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$8.99

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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)

9.5

ChoiceComparer.com Score

9.5

/ 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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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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UHEGDRR

RV Toilet Seal and 3" Socket Floor Flange Kit for Dometic 300 310 320 RV Toilets, Replacement Parts Kit 385345892 Flange, 385311658 Flush Ball Seal and 385311652 Base Seal Gasket, 3 in 1 Repair Kit

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【Compatibility】: RV Toilet Seal and 3" Socket Floor Flange Kit compatible with Dometic 300 310 320 RV Toilets, perfectly fit and easily solving RV toilet sealing problems.
•【RV Toilet Seal Kit】: Includes: 385345892 RV Toilet 3 Inch Socket Floor Flange*1, 385311658 Flush Ball Seal*1, 385311652 RV Toilet Seal*1, Gland*2, Seal Ring*1, Nut*2, Bolt*2, Self -Tapping Screws*4, Expansion Screws*4. This kit can fulfill all your needs for RV camper toilet seals repair, say goodbye to the difficulty of choosing and matching.
•【High Quality】: Our RV Toilet Seal Gasket and Flange Kit is made of excellent quality material, wear and corrosion resistance for reliable and long-lasting. Designed to fit perfectly, prevents water leakage and eliminates odors, ensuring a fresh RV interior and you can travel without worry.
•【Easy Installation】: First, turn off the water source and remove the old RV toilet flange and seal. Clean the installation area and then securely install the new RV Toilet Socket Floor Flange and 385311658, 385311652 RV toilet seals.
•【Excellent Customer Service】: This RV Toilet Seal Replacement Kit is ideal choose to fix your RV toilet sealing problem. If the product has any problem, please contact us feel free, we can provide you with a satisfactory solution within 24 hours.

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$24.99

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Vypart

Vypart 385311641 RV Toilet Water Valve Kit - Leakage Resistance RV Toilet Parts With Flush Ball Seal for Dometic and Sealand 300, 301,310,311,320,321 RV Toilet

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•385311641 RV TOILET WATER VALVE KIT - 2 Set 385311641 water valve assembly include 2* 385311641 toilet water valve / 2* Hose Clamp / 4* Mesh Filter / 2* Rubber Flange Seal / 4* Screws.
•Premium Materials - 385311641 water valve kit is made from durable materials strict tested by the factory to make sure provide long lasting usage. 385311658 flush ball seal is made of premium rubber fully tested by the factory to provide good sealing performance which help keeping water stay in RV toilet bowl for a long time.
•Freeze Crack Resistant - The rv toilet valve uses freeze resistant technology,adds a glass fiber reinforced polymer structure,After many standard tests in the factory, it also maintains high performance in cold weather and is resistant to cracking.
•Tight Seam & No Leak - A hexagonal structure is used at the rotary joint inside the valve to allow the joint to be completely sealed between the cap and the valve body during production using rotary melting. Tighter threads make the connection tighter and more effective against leaks and cracks
•A PERFECT COMPATIBLE -- 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.
•Solve Problems - 385311641 rv water valve kit may be effectively solved:water flow into the toilet will not stop;the filter mesh is blockaged;the water valve is damaged;water is leaking from the water valve;unpleasant smell;the seal is damaged or distorted..
•EASY TO INSTALL -- Enjoy a hassle-free camping experience with the 385311641 385311658 RV Toilet Valve Kit. The easy installation process requires only a Phillips screwdriver. (Please view the installation video online search for installing dometic RV toilet valve, or refer to our installation pictures.

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$21.47

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Prosentuo

Prosentuo RV Toilet Foot Pedal Replacement Compatible with Dometic 300 310 311 320 and 321 Camper Toilet Flush Pedal with Flange Seal Gasket Repair Kits

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•[RV Toilet Fitment]: Compatible with Dometic 300 310 311 320 321 Series Toilet
•[Enhanced Structural Integrity]: Manufactured using industrial-grade polymers through precision injection molding techniques. Unlike 3D-printed alternatives, this process ensures exact dimensional accuracy for seamless integration with existing hardware. The monolithic design features improved stress distribution, delivering enhanced load-bearing capacity and deformation resistance during repeated use.
•[Cost-Efficient RV Upkeep]: Avoid unnecessary full toilet replacements by targeting the most frequently worn component. Our solution eliminates complex plumbing modifications while restoring proper water flow control and mechanical leverage.
•[Simplified Installation Process]: Our package includes 1x Heavy-duty foot pedal, 1x RV Toilet seal, 1x Socket wrench screwdriver. Replace only the worn component using basic tools - no full toilet replacement required.
•[About Prosentuo]: We are constantly dedicated to offering you high - quality products and outstanding services. We provide a one year warranty. If any quality issues arise with the product during this period, please feel free to contact us, and we will provide you with corresponding services.

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$24.29

$26.99

-10%

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Ophjerg

Ophjerg 385316906 RV Toilet Vacuum Breaker Kit Compatible with Dometic Sealand Toilets, Toilet Parts for Dometic Sealand VacuFLush Traveler Toilets without Hand Sprayer Hook Up

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Vacuum Breaker Kit for Dometic Sealand: Fit for dometic sealand toilet parts, vacuum breaker part number 385316906. Compatible with VacuFlush, Traveler and other Dometic toilets, fix toilet leak problem. Please Note: Do not use with hand sprayer.
•Compatible with: For Dometic 110, 111, 130, 131, 147, 148, 149, 210, 248, 506+, 508+, 509+, 510+, 511+, 547+, 548+, 557+, 558+, 606, 647, 648, 706, 709, 711, 712, 748, 749, 806, 808, 847, 848, 910, 911, 913, 1006, 1008, 1047, 1048, 1049, 1088, 1106, 1147, 1148, 1548, 1606, 1609, 1648, 2010 and 2011 toilets.
•Upgraded Vacuum Breaker: The Ophjerg replacement vacuum breaker has been redesigned with upgraded materials and construction which is thicker walls and tighter connection to the toilet body, not easy to break and age, long service life.
•Easy to Install: Simply remove the old vacuum breaker from your rv toilet and install the new one in its place. You can also search for 385316906 on YouTube to watch the installation.
•Buy with Confidence: Your satisfaction is our goal! If you have any questions about our compatible with Dometic SeaLand vacuum breaker Kit, whether it's pre-sales or after-sales, we will give you a satisfactory answer within 24 hours!

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$11.89

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LLYZFED

LLYZFED RV Toilet Flush Foot Pedal Replacement Fit for Dometic 300/310/320/321 Series RV Toilet Repair Parts

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Precise Compatibility: Fit for Dometic 300, 310, 311, 320, and 321 series RV toilets, ensuring a direct replacement for worn or broken flush pedals.
•Reliable Performance: Restores smooth and responsive flushing function, improving the comfort and convenience of RV bathroom use.
•Cost-Effective Repair: Ideal for restoring toilet function without replacing the entire RV toilet assembly, saving time and cost.
•Durable Construction: Made from high-strength engineering plastic material with professional mold manufacturing (not 3D printed). The surface features a lychee-grain texture for enhanced anti-slip performance, delivering greater durability, precise fit, and long service life against daily travel wear.
•Easy Installation: Direct-fit design allows quick replacement without complex tools, minimizing downtime on the road.

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$14.98

$17.59

-15%

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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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