---
title: "Thetford Rv Toilet Parts — $517K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/thetford-rv-toilet-parts"
last_updated: "2026-08-09T18:01:33.069Z"
locale: en
meta:
  description: "Niche score 58/100 · $517K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $517K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Thetford Rv Toilet Parts — $517K/yr Amazon US Niche (2026) - Flapen"
---

# **thetford rv toilet parts**

**Worth a look**

Shows a sweet-spot price point ($52.51 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 61Growth 68Conversion 67Competition 37Returns 68Price range 45Avg price 92Brand share 35Review moat 74Quality gap 52

**Avg price**

**Great****$52.51**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****521.81**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+48.3%**

90-day search growth — must beat 0% to launch

**Returns**

**Good****2.3%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****6.0%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Good****$517K**

$517K/yr · 163K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$13.33–$202.83**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Competition**

**Okay****63%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Okay****84%**

top-5 brand share — brands hold most of the demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, thetford rv toilet parts is a $517K/yr Amazon United States market (163K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 58/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **thetford rv toilet parts market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$420K–$525K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#69**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**88%**</dd>

<dt>**Sponsored**</dt><dd>**81%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**30 months**</dd>

<dt>**Avg seller age**</dt><dd>**179 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**10 **▼falling

**Sellers**

**69**

**Top-5 brand share**

**84%**

Top 20: 100%

**Top-5 click share**

**63%**

Top 20: 100%

**Open market**

**11%**

- Vypart42% - Thetford22% - Ophjerg10% - prime&swift5% - Knocokie5% - TeegRoow5% - Open — no brand owns it (4 brands, 11%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +48.3% search growth over the last 90 days.

5K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.4×

[**Open Trend **](https://flapen.com/research/us/automotive/thetford-rv-toilet-parts/trend)

## **Top thetford rv toilet parts search terms**

- **thetford rv toilet parts**80K/yr+48.4%4.1% conv. - **thetford rv toilet valve**17K/yr+54.6%9.6% conv. - **thetford rv toilet model 42070 parts**7K/yr+166.1%1.5% conv. - **thetford 42072**11K/yr+56.3%2.3% conv. - **thetford toilet parts**7K/yr+86.4%2.5% conv. - **42070 thetford rv toilet parts**10K/yr-20.1%1.5% conv. - **thetford rv toilets parts**5K/yr+69.7%2.1% conv. - **thetford aqua magic style ii parts**4K/yr+4.0%2.5% conv. - **thetford 42054**4K/yr+28.2%1.7% conv. - **thetford aqua magic style ii**6K/yr-27.2%4.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/thetford-rv-toilet-parts/search-terms)

## **Top thetford rv toilet parts products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$52K20%$103K30%$155K40%$207K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![31705 31688 31687 31653 RV Toilet Water Valve kit- Freeze Resistance & Leakage-Resistant RV Toilet Parts for Thetford Aqua-Magic V High and Low by Vypart](https://m.media-amazon.com/images/I/31BW3FWfUhL.jpg)**31705 31688 31687 31653 RV Toilet Water Valve kit- Freeze Resistance & Leakage-Resistant RV Toilet Parts for Thetford Aqua-Magic V High and Low by Vypart**Vypart**$14.60**4.6★714 rev](https://www.amazon.com/dp/B0D6RCMZTG) [2![42049 Water Valve Style II Kit for Thetford Aqua Magic Style II Toilets RV Toilet Water Valve Kit Replacement Style II Permanent Toilets Rv Toilet Parts for Thetford with Closet Flange Seal](https://m.media-amazon.com/images/I/314SPCJBhiL.jpg)**42049 Water Valve Style II Kit for Thetford Aqua Magic Style II Toilets RV Toilet Water Valve Kit Replacement Style II Permanent Toilets Rv Toilet Parts for Thetford with Closet Flange Seal**Ophjerg**$15.65**4.2★188 rev](https://www.amazon.com/dp/B0D9881HC8) [3![Thetford 31705 Aqua-Magic V Toilet Water Module Assembly](https://m.media-amazon.com/images/I/41JvBKoEkgL.jpg)**Thetford 31705 Aqua-Magic V Toilet Water Module Assembly**Thetford**$31.52**4.7★2,324 rev](https://www.amazon.com/dp/B002UC1AYQ) [4![Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653](https://m.media-amazon.com/images/I/41tZ8SoVHXL.jpg)**Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653**Vypart**$16.08**4.5★58 rev](https://www.amazon.com/dp/B0FJ1WDR4T) [5![31653 31705 31688 31835 31687 RV Toilet water Valve fit for Thetford RV Toilet Parts-Leak&Freeze-Resistant fit for Thetford Aqua-Magic V 31676 31675 31667 31658 31668 31650 31680 31671 prime&swift](https://m.media-amazon.com/images/I/41ZMivjchuL.jpg)**31653 31705 31688 31835 31687 RV Toilet water Valve fit for Thetford RV Toilet Parts-Leak&Freeze-Resistant fit for Thetford Aqua-Magic V 31676 31675 31667 31658 31668 31650 31680 31671 prime&swift**prime&swift**$15.07**4.7★276 rev](https://www.amazon.com/dp/B0D25C754G)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![34117 Waste Ball Kit Compatible with thetford aqua magic Style II/Style Lite/Style Plus RV Toilet Partial Replacement 34120 42048 42209 Includes Waste Ball Drive Arm RV Toilet Parts](https://m.media-amazon.com/images/I/41QOd-tlZTL.jpg)**34117 Waste Ball Kit Compatible with thetford aqua magic Style II/Style Lite/Style Plus RV Toilet Partial Replacement 34120 42048 42209 Includes Waste Ball Drive Arm RV Toilet Parts**Peakur**$39.50**10 rev7mo ago](https://www.amazon.com/dp/B0G6JMX5J5) [![TeegRoow RV Toilet Seal Kit Replacement for Thetford Toilet Parts - 34120 Leak Proof Waste Ball Seal and 12524 Floor Seal Kit Fit for Aqua Magic Style Plus Style II Style Lite & Residence Toilets](https://m.media-amazon.com/images/I/41a6D-0N7LL.jpg)**TeegRoow RV Toilet Seal Kit Replacement for Thetford Toilet Parts - 34120 Leak Proof Waste Ball Seal and 12524 Floor Seal Kit Fit for Aqua Magic Style Plus Style II Style Lite & Residence Toilets**TeegRoow**$15.14**21 rev8mo ago](https://www.amazon.com/dp/B0G1KDBPY1) [![Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653](https://m.media-amazon.com/images/I/41tZ8SoVHXL.jpg)**Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653**Vypart**$16.08**58 rev11mo ago](https://www.amazon.com/dp/B0FJ1WDR4T) [![RV Toilet Foot Flush Pedal with Flange Seal for Thetford Aqua-Magic Style II & Residence High Profile Toilets White Flush Pedal Replacement Kit Replaces OEM 42067 Durable RV Plumbing Repair Parts](https://m.media-amazon.com/images/I/31sl8wIaIjL.jpg)**RV Toilet Foot Flush Pedal with Flange Seal for Thetford Aqua-Magic Style II & Residence High Profile Toilets White Flush Pedal Replacement Kit Replaces OEM 42067 Durable RV Plumbing Repair Parts**Sounrui**$35.20**5 rev1y ago](https://www.amazon.com/dp/B0GCT6JR7V) [![42049 Water Valve Style II Kit for Thetford Aqua Magic Style II Toilets RV Toilet Water Valve Kit Replacement Style II Permanent Toilets Rv Toilet Parts for Thetford with Closet Flange Seal](https://m.media-amazon.com/images/I/314SPCJBhiL.jpg)**42049 Water Valve Style II Kit for Thetford Aqua Magic Style II Toilets RV Toilet Water Valve Kit Replacement Style II Permanent Toilets Rv Toilet Parts for Thetford with Closet Flange Seal**Ophjerg**$15.65**188 rev1y ago](https://www.amazon.com/dp/B0D9881HC8)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![TeegRoow RV Toilet Seal Kit Replacement for Thetford Toilet Parts - 34120 Leak Proof Waste Ball Seal and 12524 Floor Seal Kit Fit for Aqua Magic Style Plus Style II Style Lite & Residence Toilets](https://m.media-amazon.com/images/I/41a6D-0N7LL.jpg)**TeegRoow RV Toilet Seal Kit Replacement for Thetford Toilet Parts - 34120 Leak Proof Waste Ball Seal and 12524 Floor Seal Kit Fit for Aqua Magic Style Plus Style II Style Lite & Residence Toilets**TeegRoow**$15.14**4.3★**▲ 119%**](https://www.amazon.com/dp/B0G1KDBPY1) [![Thetford 31705 Aqua-Magic V Toilet Water Module Assembly](https://m.media-amazon.com/images/I/41JvBKoEkgL.jpg)**Thetford 31705 Aqua-Magic V Toilet Water Module Assembly**Thetford**$31.52**4.7★**▲ 81%**](https://www.amazon.com/dp/B002UC1AYQ) [![Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653](https://m.media-amazon.com/images/I/41tZ8SoVHXL.jpg)**Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653**Vypart**$16.08**4.5★**▲ 76%**](https://www.amazon.com/dp/B0FJ1WDR4T) [![RV Toilet Foot Flush Pedal with Flange Seal for Thetford Aqua-Magic Style II & Residence High Profile Toilets White Flush Pedal Replacement Kit Replaces OEM 42067 Durable RV Plumbing Repair Parts](https://m.media-amazon.com/images/I/31sl8wIaIjL.jpg)**RV Toilet Foot Flush Pedal with Flange Seal for Thetford Aqua-Magic Style II & Residence High Profile Toilets White Flush Pedal Replacement Kit Replaces OEM 42067 Durable RV Plumbing Repair Parts**Sounrui**$35.20**5.0★**▲ 65%**](https://www.amazon.com/dp/B0GCT6JR7V) [![34117 Waste Ball Kit Compatible with thetford aqua magic Style II/Style Lite/Style Plus RV Toilet Partial Replacement 34120 42048 42209 Includes Waste Ball Drive Arm RV Toilet Parts](https://m.media-amazon.com/images/I/41QOd-tlZTL.jpg)**34117 Waste Ball Kit Compatible with thetford aqua magic Style II/Style Lite/Style Plus RV Toilet Partial Replacement 34120 42048 42209 Includes Waste Ball Drive Arm RV Toilet Parts**Peakur**$39.50**3.6★**▲ 52%**](https://www.amazon.com/dp/B0G6JMX5J5)

**~~View all trending →~~**

## **What buyers say about thetford rv toilet parts**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**24%

*“Excellent fit”*

**Assembly/Installation**15%

*“It was fully assembled”*

**Quality-Overall**12%

*“Good quality”*

**Leak-Proof**9%

*“Toilet no longer leaking”*

**Value For Money**7%

*“Great value”*

**Efficiency**7%

*“functions as it should”*

**Advertised Vs Actual Product**5%

*“As advertised”*

**Ease Of Use**4%

*“Easy peasy”*

**Maintenance And Repair**2%

*“Easy fix”*

**Product Condition**1%

*“The item is brand new as described”*

### **What buyers complain about **

**Leak-Proof**23%

*“It continued to leak”*

**Durability**12%

*“Breaks often”*

**Size-Overall**9%

*“It doesnt even fit what it says it fits for immediately returned”*

**Assembly/Installation**8%

*“I could only use half the assembly though”*

**Quality-Overall**4%

*“so this raises concerns about durability or quality control”*

**Instructions/User Manual/Troubleshooting**4%

*“Instructing for grommets were poor”*

**Value For Money**3%

*“is a $2 valve too much to expect”*

**Compatibility-Overall**3%

*“Blade seal does not fit Thetford Aqua Magic V”*

**Material Quality**3%

*“They are made or cheap plastic that doesnt last”*

**Rusts/Corrodes**2%

*“Froze and cracked despite RV antifreeze”*

### **Top return reasons **

**Size-Overall**33%

**Defective Material/Parts**15%

**Compatibility-Overall**12%

**Advertised Vs Actual Product**12%

**Leak-Proof**11%

**Functionality-Overall**3%

**Color**2%

**Assembly/Installation**2%

**Value For Money**1%

**Maintenance And Repair**1%

## **Common questions**

<dl>

<dt>**Is thetford rv toilet parts profitable to sell on Amazon United States?**</dt><dd>The niche generates $517K/yr across 16 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +48.3%. Flapen's verdict: Worth a look (58/100).</dd>

<dt>**How competitive is the thetford rv toilet parts niche?**</dt><dd>10 brands and 69 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 84% of demand.</dd>

<dt>**What do buyers complain about in thetford rv toilet parts?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Durability, Size-Overall. The return rate is 2.3%.</dd>

<dt>**When does demand for thetford rv toilet parts peak?**</dt><dd>Demand peaks in May–Jun–Jul; the busiest month runs 2.4× the quietest.</dd>

<dt>**What does it cost to enter the thetford rv toilet parts niche?**</dt><dd>Listings span $13.33–$202.83; the average listing price is $52.51 (sweet spot $15–$100). The average incumbent carries 522 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Automotive**

- 72 [**brake bleeder kit**](https://flapen.com/research/us/automotive/brake-bleeder-kit)$2.2M/yr+8.2%**Launch it**- 72 [**gas can pump**](https://flapen.com/research/us/automotive/gas-can-pump)$1.7M/yr+20.1%**Launch it**- 72 [**dewalt hedge trimmer**](https://flapen.com/research/us/automotive/dewalt-hedge-trimmer)$1.6M/yr+158.2%**Launch it**- 72 [**iron eraser**](https://flapen.com/research/us/automotive/iron-eraser)$107K/yr>1,000%**Worth a look**- 72 [**marine fuel line**](https://flapen.com/research/us/automotive/marine-fuel-line)$198K/yr+104.3%**Worth a look**- 72 [**garden hose filter**](https://flapen.com/research/us/automotive/garden-hose-filter)$729K/yr+110.7%**Worth a look**[**All Automotive niches **](https://flapen.com/research/us/automotive)