Plumbing & Electrical

The Best RV Toilet Fittings & Parts

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Maintaining a functional RV toilet system is crucial for any road trip. The right fittings and parts ensure efficient waste disposal and prevent leaks or clogs. Investing in quality components can save you from inconvenient breakdowns and costly repairs on the go.

SaleNo. 1
31705 31688 31687 31653 RV Toilet Water Valve kit- Freeze Resistance & Leakage-Resistant RV Toilet Parts for...
  • 【 PERFECT COMPATIBILITY】 -- The 31705 RV toilet valve kit is specifically designed for Thetford Aqua - Magic V high and low RV toilets. This includes both hand - flush and foot - pedal flush toilets. It is compatible with a wide range of models such...
  • 【COMPREHENSIVE 31705 RV TOILET WATER VALVE KIT】 - -The 31705 water module assembly is a must - have for your RV toilet. It includes the 31705 toilet water valve, a rubber Flange Seal, and screws. this 31705 RV Toilet Water Valve Kit is a reliable...
  • 【 STURDY AND FREEZE - CRACK RESISTANT】-Vypart's Thet-ford RV toilet valve uses robust valve body materials. The sturdier valve cover, thicker valve body, and tighter thread ensure a more secure and tight connection, effectively preventing leaks and...
  • 【 EASY INSTALLATION】 -- Enjoy a hassle-free camping experience with the 31705 RV Toilet Valve Kit. The easy installation process requires only a Phillips screwdriver, (Please view the installation video online search for installing thetf.ord RV toilet...
  • 【BUY WITH CONFIDENCE】 -- With over a decade of expertise in the RV parts manufacturing sector, we've invested in state - of - the - art equipment and assembled a team of seasoned professionals. This allows us to maintain the highest standards of...
No. 2
42049 Water Valve Style II Kit for Thetford Aqua Magic Style II Toilets, RV Toilet Water Valve Kit Replacement...
  • RV Toilet Valve Replacement for Thetford: RV toilet valve kit compatible with Thetford Aqua Magic Style II Toilets, part number 42049. Rv toilet parts water valve kit prevent water leakage at the back of the toilet.
  • Excellent Quality: Upgraded 42049 rv toilet valve are made of strong ABS and metal, all seals and connections on valves have been strengthened and thoroughly tested, lightweight and durable.
  • Package Includes: Toilet valve kit includes 1 x water valve cartridge, 2 x drive arm seal, 1 x water inlet seal, 2 x water inlet spring, 2 x spring retainer, 1 x toilet flange seal and 1 x installation instruction.
  • Easy to Install: Simply remove the old valve from your toilet and install the new valve in its place. Ensure that all accessories are inserted properly to avoid leakage during use.
  • Buy with Confidence: Your satisfaction is our goal! If you have any questions about our compatible with Thetford rv toilet parts 42049 rv toilet water valve replacement kit, whether it's pre-sales or after-sales, we will give you a satisfactory answer...
SaleNo. 3
Rakiyada Upgraded RV Toilet Valve Replacement Kit Compatible with Dometic...
  • 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...
  • COMPATIBLE MODELS: These RV parts are compatible with the following Dometic series: 300, 301, 310, 311, 320, 321, 400, 410, and 420. 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...
  • 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...
  • 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.
No. 4
TQPONLY RV Toilet Water Valve Parts | For Dometic Sealand EcoVac Vacuflush RV/Camper/Trailer Toilet | Replaces...
  • 【REPLACES PARTS】: The rv toilet valve replaces 385314349,314349.
  • 【COMPATIBLE WITH】: Replacement that leaky camper toilet water valve parts on your Dometic Sealand toilet models: 506+, 510+, 511 H, 547+, 548+, 706, 709, 748, 749, 806, 808, 847, 848, 1147, 1148, 2010, 2011, 5006, 5047, 5048, 5049;EcoVac...
  • 【FEATURES】: The rv toilet flush valve made of wear-resistant material,with good fracture-and corrosion-resistant.Our toilet drain valve kit can help your travel trailer return to normal operation,solve troubles for you.
  • 【EASY INSTALLATION】:Our dometic foot pedal flush toilet water valve meets the original manufacturer's specifications and features.Direct replacement inlet valve and fasteners for most seaLand, traveler, vacuflush and dometic pedal-flush toilets.
  • 【WARRANTY】: 1-Year Warranty. Please contact us by email if your rv toilet fill valve have any questions. We will reply within 24 hours and help solve the problem!
No. 5
34117 Waste Ball Kit Compatible with thetford aqua magic Style II/Style Lite/Style Plus RV Toilet, Partial...
  • 【Compatible Toilets】The 34117 waste ball kit is compatible with thetford aqua magic style ii, aqua magic style lite, and aqua magic style plus toilets. Partial replacement 34120 42048 42209 34117, Before purchasing, please ensure compatibility with...
  • 【Package Contents】RV toilet parts include a waste ball assembly *1, U-cup seals *2, closet flange seal *1, waste ball seal *1, waste ball drive arm *1, screws *2, and plastic washers *4. In addition to the 34117 waste ball kit, it includes the...
  • 【Product Function】The flush valve assembly facilitates water-saving flush cycles. The toilet flange seal secures the bottom of the flange. The flush valve seal is positioned atop the flush valve to seal the joint between the flush valve assembly and...
  • 【Product Advantages】The 34117 waste ball kit is meticulously crafted from premium materials, delivering exceptional durability and reliable leak-proof performance. It significantly reduces your long-term expenses by eliminating costly repairs and...
  • 【After-Sales Support】We provide professional installation guides and detailed product instructions to ensure a smooth replacement process. Before installation, be sure to shut off the water supply and drain any water from the toilet bowl. Please note...
No. 6
2 Set RV Toilet Valve Replacement Kit | Dometic RV Toilet Parts 385311641 | Compatible with Dometic...
  • 🔧 385311641 RV TOILET VALVE KITS -- Get 2 set 385311641 RV toilet valve replacement kits. Each kit includes: 1x 385311641 water valve, 1x 385311658 flush ball seal, 1x hose clamp, 2x screws & washers, and 2x stainless steel mesh filters. No extra parts...
  • ✅ PERFECT FIT FOR DOMETIC PEDAL-FLUSH TOILETS -- Direct OEM replacement for 385311641 (water valve) and 385311658 (flush ball seal). Fully compatible with Sealand Dometic 300, 301, 310, 311, 320, 321 pedal-flush toilets—the most widely used Dometic RV...
  • 💧 LEAK-PROOF DESIGN -- Premium 385311658 flush ball seal (high-grade rubber compound) creates a tight, long-lasting seal to stop leaks, running water, and unpleasant odors. Precision-threaded connections + ultrasonic welding ensure a secure, watertight...
  • 🛡️ FREEZE-RESISTANT & DURABLE BUILD -- Valve body constructed from thermoplastic polymer with glass fiber reinforcement for superior freeze crack resistance in cold weather. Upgraded ultrasonic welding strengthens critical seams to prevent cracking...
  • 🛠️ EASY DIY INSTALLATION FOR RV TOILET -- Install in just 10–15 minutes with only a Phillips screwdriver—no plumber or special tools needed. For step-by-step guidance, search “installing Dometic RV toilet valve” online for video tutorials, or...
  • 🚽 SOLVES COMMON RV TOILET PROBLEMS -- This 385311641 RV toilet valve kit effectively fixes the most common RV toilet issues: constant running water that won’t shut off, leaks from the valve or seal, clogged mesh filters, damaged or worn valves...
No. 7
31653 31705 31688 31835 31687 RV Toilet water Valve fit for Thetford RV Toilet Parts-Leak&Freeze-Resistant fit...
  • Freeze-Resistant: 31705 RV toilet water valve kit fit for Thetford RV toilet parts,made of high impact resistance PP,resistance to impact,freezing,All this will make 31653 31705 RV r toilet valve has good resistance to cold-cracking
  • fit for thetford Aqua Magic V RV Toilet Valve: 31688 31653 31680 31679 31672 31671 31662 31661 31651 31650 31687 31668 31663 31652 31649 31676 31675 31667 31658 31657 31647 31646 31833 31834 31835 31836 31837 31838 31839 31840
  • Leak-Resistant: No more leaks with prime&swift 31705 RV toilet water valve kit fit for Thetford 31835 RV toilet flush valve,Featuring a tight sealing leak-free thread, this valve will have the RV toilet back to flushing in no time
  • Easy To Install: Installing rv toilet valve is a breeze,Turn off RV water supply,Disconnect water supply line from 31075 toilet water valve,Remove screw and flush tube,Disconnect metal linkage,Install the upgraded 31705 toilet water module assembly
  • Complete RV Toil Repair Kit: All needed parts for install a leaking 31835 rv toilet flush valve were included;Package comes with rv toilet parts 31705 31653 toilet valve (1PCS),replacement toilet flange gasket(1PCS),fastening screws(1PCS)
No. 8
Bidet T Adapter with Gasket, 7/8"x7/8"x3/8" 3 Way Tee Connector Toilet Travel Bidet Attachment for Home Toilet...
  • Package Includes: Comes with 1 bidet T-adapter and 1 sealing gasket. The adapter efficiently splits the water supply into separate connections for your toilet, bidet, or shower, while the gasket ensures a tight, leak-proof seal.
  • Standard Size: Overall length: 5.2cm/2.05in. Thread size: 7/8"x7/8"x3/8" (also known as 15/16"x15/16"x9/16"). Please double-check dimensions to ensure compatibility with your fixtures before purchasing.
  • Installation Guide: Female 7/8" (15/16") connects to the toilet tank, male 7/8" (15/16") connects to the water supply hose, and male 3/8" (9/16") connects to the bidet attachment. Easy DIY installation with no special tools required.
  • Durable Copper Construction: Made of premium copper, this T-adapter is sturdy and built to withstand high water pressure. Reliable material ensures long-lasting performance without cracking or breaking.
  • Versatile Applications: Perfect for toilets, bidets, showers, RV bathrooms, faucet fittings, hand sprayers, water heaters, ice makers, and wash basins. A practical plumbing accessory for both household and RV use.
No. 9
13168 Upgraded RV Toilet Water Valve Kit Compatible with Thetford Aqua Magic IV Toilets, Toilet Valve Replace...
  • RV Toilet Valve for Thetford: Fit for Thetford rv toilet parts, 13168 water valve. RV toilet water valve kit compatible with Thetford Aqua Magic IV toilets high and low models, help to avoid the common dreaded leak problem. Rv toilet valve perfect fit...
  • Upgraded Water Valve : The Ophjerg replacement rv toilet valve has been redesigned with upgraded materials and construction. A sturdier cap with thicker walls and tighter connection to the valve body, it withstand the demanding conditions of rv toilet...
  • Package Includes: RV toilet valve kit includes 1 x 13168 rv toilet valve, 1 x rv toilet seal. Rv toilet parts for thetford 13168 includes all repair hardware needed for aqua magic iv rv toilet valve working properly
  • Easy to Install: Fit for Thetford rv toilet valve is easy to install, simply remove the old toilet valve from your rv toilet and install the new valve and seal in its place
  • Buy with Confidence: Your satisfaction is our goal! If you have any questions about our compatible with Thetford aqua magic iv rv toilet parts 13168 rv toilet valve, whether it's pre-sales or after-sales, we will give you a satisfactory answer within...
No. 10
Upgraded 2 Pack 385311641 Rv Toilet Valve Replacement Kit - Toilet Valve with Rubber Seal, Flush Ball Seal and...
  • Upgraded RV Toilet Valve Kit: This set includes two 385311641 RV toilet valves, two flushing ball seals, two hose clamps, four screws and washers, and four stainless steel mesh filters are included. In addition, two leak proof small washers are included...
  • Problem Solving: The upgraded RV toilet valve is equipped with rubber flushing ball seals and additional leak proof gaskets, which can help solve problems such as improper water ingress, leakage, odor, noise, etc. It has very reliable practicality and...
  • RV Toilet Parts Compatibility: This 385311641 Toilet Water Valve Kit is compatible with the Dometic 300-321 series, as well as with foot operated toilets and marine toilets. It has excellent replaceability and can directly replace RV toilet components...
  • Enhanced Leak Protection: Our 385311658 RV toilet valve replacement kit is made of high-quality rubber and comes with an additional sealing gasket that provides an extra leak proof layer. It has higher efficiency, durability, and longer service life...
  • Easy Installation: This RV toilet valve kit is easy to install and does not require many tools. Simply place the toilet sealing kit in the appropriate position and tighten the screws to secure it. Install our leak proof gasket on the water pipe to ensure...

Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best RV Toilet Fittings & Parts

Understanding RV Toilet Types

RV toilets generally fall into three main categories: gravity flush, macerator, and vacuum flush. Gravity flush toilets are the most common and operate similarly to home toilets, relying on water to push waste into the holding tank. Macerator toilets grind waste into a finer slurry, making it easier to pump through longer or smaller diameter hoses. Vacuum flush systems use air pressure to rapidly remove waste, offering efficient water usage but often requiring more complex installation.

Key Components to Consider

When selecting replacement parts or upgrades, several components are vital. Look for durable seals and gaskets made from materials resistant to RV chemicals and UV exposure, such as EPDM rubber. Consider the type of flush valve mechanism – ball valves are common and reliable, while some newer models offer improved water flow. For macerator pumps, check the horsepower and impeller material for longevity. Ensure any new parts are compatible with your existing toilet model and holding tank system.

Material and Durability

The materials used in RV toilet parts significantly impact their lifespan and performance. Plastics like ABS and PVC are common for housings and pipes due to their affordability and resistance to corrosion. However, metal components, particularly stainless steel or brass, are often preferred for critical parts like valve stems and seals for enhanced durability and strength. Always check product descriptions for material specifications and user reviews regarding long-term wear.

Installation and Maintenance

While many common parts, like seals or flush pedals, can be replaced with basic tools, more complex components such as macerator pumps or vacuum systems might require specialized knowledge. If you're not comfortable with DIY plumbing, consider professional installation. Regular maintenance, including flushing the system with appropriate treatments and inspecting seals periodically, can prevent premature wear and ensure optimal function.

Frequently Asked Questions

What is the difference between a gravity flush and a macerator toilet?
A gravity flush toilet uses water pressure to move waste directly to the holding tank. A macerator toilet grinds waste into a liquid slurry before pumping it, allowing for more flexible plumbing runs.
How often should RV toilet seals be replaced?
The frequency of seal replacement depends on usage and the chemicals used. It's good practice to inspect seals annually and replace them if you notice any leaks or signs of wear.
Can I use household plumbing parts in my RV toilet?
Generally, no. RV plumbing systems operate under different pressures and conditions than household systems, and RV-specific parts are designed to withstand these unique demands.
What are the benefits of a vacuum flush toilet system?
Vacuum flush systems use minimal water and can empty the bowl very quickly. They are efficient and can help prevent odors by creating a tight seal.
How do I know if a replacement part will fit my RV toilet?
Always check the part's compatibility with your specific RV toilet make and model. Refer to your RV's owner's manual or the toilet manufacturer's specifications for correct part numbers.