---
title: "Mansfield Toilet Replacement Parts — $230K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/mansfield-toilet-replacement-parts"
last_updated: "2026-08-09T00:52:01.516Z"
locale: en
meta:
description: "Niche score 50/100 · $230K/yr market. Brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $230K/yr market. Brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mansfield Toilet Replacement Parts — $230K/yr Amazon US Niche (2026) - Flapen"
---
# **mansfield toilet replacement parts**
**Worth a look**
Shows searches that convert (9.5% search→purchase), but brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list.
Market size 44Growth 41Conversion 85Competition 41Returns 60Price range 35Avg price 60Brand share 22Review moat 51Quality gap 76
**Conversion**
**Great****9.5%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$13.23**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,470**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$230K**
$230K/yr · 183K searches
**Growth**
**Okay****+12.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****$5.92–$19.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, mansfield toilet replacement parts is a $230K/yr Amazon United States market (183K searches/yr). The top 5 brands hold 91% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mansfield toilet replacement parts market data**
- **Units sold / yr**
- **15K–20K**
- avg 500–750/product
- **Revenue / yr**
- **$198K–$265K**
- units × avg price
- **Conversion rate**
- **9.5%**
- **Avg BSR**
- **#1,144**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **63%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**103**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 96%
**Open market**
**6%**
- Mansfield49% - Fluidmaster15% - Qualihome13% - FIX ZHANG10% - Ullnosoo5% - Plus tard3% - Open — no brand owns it (5 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +12.5% search growth over the last 90 days.
4K3KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/mansfield-toilet-replacement-parts/trend)
## **Top mansfield toilet replacement parts search terms**
- **mansfield toilet replacement parts**69K/yr+18.4%9.2% conv. - **mansfield toilet handle**29K/yr+6.8%13.1% conv. - **mansfield toilet parts**19K/yr+1.0%6.4% conv. - **mansfield flush valve**14K/yr+5.4%9.3% conv. - **mansfield**13K/yr+11.3%1.4% conv. - **mansfield toilet handle replacement**11K/yr+14.1%9.3% conv. - **mansfield toilet**6K/yr-4.6%1.1% conv. - **mansfield toilet parts 160**5K/yr+36.9%3.4% conv. - **mansfield toilet repair kit**5K/yr+12.6%4.8% conv. - **mansfield toilet flush valve**5K/yr+11.1%7.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/mansfield-toilet-replacement-parts/search-terms)
## **Top mansfield toilet replacement 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%5%$12K10%$23K15%$35K20%$46K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mansfield Flush Valve - Model # 211-11-1/2 - For all Trip Levers**Mansfield**$16.18**4.6★1,431 rev](https://www.amazon.com/dp/B0113QEFS2) [2**Model 40 Flush Lever - 1 Each by Mansfield Plumbing**Mansfield**$11.58**4.5★1,267 rev](https://www.amazon.com/dp/B01MZ0ZYS8) [3**Fluidmaster K-400A-023 Mansfield Toilet Fill Valve and Flush Valve Seal Repair Kit**Fluidmaster**$15.76**4.5★352 rev](https://www.amazon.com/dp/B09VCZBP39) [4**Qualihome Toilet Tank Flush Lever Replacement for Mansfield - Front Mount Chrome Finish Handle - Designed for Optimal functionality - Compatible with Mansfield Flush Valve Systems**Qualihome**$9.03**3.6★1,078 rev](https://www.amazon.com/dp/B01HW4LCUS) [5**Mansfield 40 Left-Hand Front Mount Toilet Tank Lever - Compact 7-Inch ABS Arm - Fits Models 11 21 26 160 161 165 170 171 175 180 190 White Plastic Handle**Mansfield**$11.71**4.3★364 rev](https://www.amazon.com/dp/B00LBHGZUK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Toilet Flush Valve for # 211-11-1/2 Fits for Mansfield Toilet Tank - Black**FIX ZHANG**$14.60**15 rev10mo ago](https://www.amazon.com/dp/B0FQJNT79W) [**88907 Toilet Flush Valve Replacement Compatible with Mansfield**Big Peng**$14.02**3 rev10mo ago](https://www.amazon.com/dp/B0FPQL3G62) [**Toilet Flush Valve Replacement for Model # 211-11-1/2 Compatible with Mansfield 211 160 Series Toilet Tank for All Trip Levers Comes with Toilet Tank to Bowl Gaskets with Brass Hardware Kits**Plus tard**$19.89**22 rev1y ago](https://www.amazon.com/dp/B0FJFKMJG7) [**Toilet Flush Valve for # 211-11-1/2 Fits for Mansfield Toilet Tank - White**FIX ZHANG**$14.63**72 rev1y ago](https://www.amazon.com/dp/B0DQQ67NYG) [**Toilet Flush Valve Replacement for Model # 211-11-1/2 Compatible with Mansfield Toilet Tank Models Comes with Tank to Bowl Repair Kit for Use with Mansfield Het Toilets**Plus tard**$18.90**52 rev2y ago](https://www.amazon.com/dp/B0D86Q3GPS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Toilet Flush Valve for # 211-11-1/2 Fits for Mansfield Toilet Tank - Black**FIX ZHANG**$14.60**4.2★**▲ 152%**](https://www.amazon.com/dp/B0FQJNT79W) [**Mansfield Plumbing 0030 Flush Valve Service Pack Fits 210/211 Flush Valve**Mansfield**$5.92**4.6★**▲ 70%**](https://www.amazon.com/dp/B00002N971) [**Fluidmaster 400AKRP10 Universal All In One Complete Toilet Tank Repair Kit For 2-Inch Flush Valve Toilets**Fluidmaster**$19.43**4.5★**▲ 54%**](https://www.amazon.com/dp/B0002YVK44) [**Toilet Flush Valve Replacement for Model # 211-11-1/2 Compatible with Mansfield 211 160 Series Toilet Tank for All Trip Levers Comes with Toilet Tank to Bowl Gaskets with Brass Hardware Kits**Plus tard**$19.89**3.9★**▲ 47%**](https://www.amazon.com/dp/B0FJFKMJG7) [**88907 Toilet Flush Valve Replacement Compatible with Mansfield**Big Peng**$14.02**3.9★**▲ 39%**](https://www.amazon.com/dp/B0FPQL3G62)
**~~View all trending →~~**
## **What buyers say about mansfield toilet replacement parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**30%
*“Easy fix”*
**Value For Money**8%
*“Good deal”*
**Quality-Overall**8%
*“The build quality feels solid”*
**Size-Overall**7%
*“Fits Like a Glove”*
**Efficiency**7%
*“Surprising how much better the toilet works now”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Instructions/User Manual/Troubleshooting**5%
*“Instructions are clear”*
**Ease Of Use**4%
*“Easy as pie”*
**Leak-Proof**3%
*“It doesn't leak”*
**Functionality-Overall**3%
*“Toilet works correctly now”*
### **What buyers complain about **
**Durability**14%
*“Broke first time trying to use”*
**Leak-Proof**12%
*“Leaks”*
**Noise Level**10%
*“Random noises”*
**Quality-Overall**9%
*“Poor Quality Control”*
**Functionality-Overall**4%
*“Has never worked properly”*
**Material Quality**4%
*“Not oem material”*
**Size-Overall**3%
*“they didn't fit properly”*
**Assembly/Installation**3%
*“Doesn't install properly”*
**Product Condition**3%
*“Used. Arrived used. Was cleaned”*
**Defective Material/Parts**2%
*“Failed part”*
### **Top return reasons **
**Size-Overall**39%
**Defective Material/Parts**10%
**Leak-Proof**10%
**Compatibility-Overall**10%
**Functionality-Overall**7%
**Advertised Vs Actual Product**5%
**Value For Money**4%
**Product Condition**2%
**Maintenance And Repair**2%
**Assembly/Installation**2%
## **Common questions**
- **Is mansfield toilet replacement parts profitable to sell on Amazon United States?**
- The niche generates $230K/yr across 24 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +12.5%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the mansfield toilet replacement parts niche?**
- 11 brands and 103 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in mansfield toilet replacement parts?**
- Top complaints mined from reviews: Durability, Leak-Proof, Noise Level. The return rate is 2.6%.
- **When does demand for mansfield toilet replacement parts peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the mansfield toilet replacement parts niche?**
- Listings span $5.92–$19.89; the average listing price is $13.23 (sweet spot $15–$100). The average incumbent carries 1,470 reviews — the moat a new listing must climb.
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