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.

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.

Conversion

Great9.5%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.6%

return rate — above 5% kills the launch gate

Avg price

Good$13.23

avg listing price — sweet spot $15–$100

Review moat

Good1,470

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

Okay60%

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

Bad91%

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top mansfield toilet replacement parts search terms

mansfield toilet replacement parts69K/yr +18.4%9.2% conv.
mansfield toilet handle29K/yr +6.8%13.1% conv.
mansfield toilet parts19K/yr +1.0%6.4% conv.
mansfield flush valve14K/yr +5.4%9.3% conv.
mansfield13K/yr +11.3%1.4% conv.
mansfield toilet handle replacement11K/yr +14.1%9.3% conv.
mansfield toilet6K/yr -4.6%1.1% conv.
mansfield toilet parts 1605K/yr +36.9%3.4% conv.
mansfield toilet repair kit5K/yr +12.6%4.8% conv.
mansfield toilet flush valve5K/yr +11.1%7.6% conv.

All 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.

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

Mansfield Flush Valve - Model # 211-11-1/2 - For all Trip Levers

Mansfield$16.184.6★1,431 rev

Model 40 Flush Lever - 1 Each by Mansfield Plumbing

Mansfield$11.584.5★1,267 rev

Fluidmaster K-400A-023 Mansfield Toilet Fill Valve and Flush Valve Seal Repair Kit

Fluidmaster$15.764.5★352 rev

Qualihome Toilet Tank Flush Lever Replacement for Mansfield - Front Mount Chrome Finish Handle - Designed for Optimal functionality - Compatible with Mansfield Flush Valve Systems

Qualihome$9.033.6★1,078 rev

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$11.714.3★364 rev

Newest

by launch date

Toilet Flush Valve for # 211-11-1/2 Fits for Mansfield Toilet Tank - Black

FIX ZHANG$14.6015 rev

10mo ago

88907 Toilet Flush Valve Replacement Compatible with Mansfield

Big Peng$14.023 rev

10mo ago

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$19.8922 rev

1y ago

Toilet Flush Valve for # 211-11-1/2 Fits for Mansfield Toilet Tank - White

FIX ZHANG$14.6372 rev

1y ago

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$18.9052 rev

2y ago

What buyers say about mansfield toilet replacement parts

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

What buyers love

Assembly/Installation30%

“Easy fix”

Value For Money8%

“Good deal”

Quality-Overall8%

“The build quality feels solid”

Size-Overall7%

“Fits Like a Glove”

Efficiency7%

“Surprising how much better the toilet works now”

Advertised Vs Actual Product7%

“As advertised”

Instructions/User Manual/Troubleshooting5%

“Instructions are clear”

Ease Of Use4%

“Easy as pie”

Leak-Proof3%

“It doesn't leak”

Functionality-Overall3%

“Toilet works correctly now”

What buyers complain about

Durability14%

“Broke first time trying to use”

Leak-Proof12%

“Leaks”

Noise Level10%

“Random noises”

Quality-Overall9%

“Poor Quality Control”

Functionality-Overall4%

“Has never worked properly”

Material Quality4%

“Not oem material”

Size-Overall3%

“they didn't fit properly”

Assembly/Installation3%

“Doesn't install properly”

Product Condition3%

“Used. Arrived used. Was cleaned”

Defective Material/Parts2%

“Failed part”

Top return reasons

Size-Overall39%

Defective Material/Parts10%

Leak-Proof10%

Compatibility-Overall10%

Functionality-Overall7%

Advertised Vs Actual Product5%

Value For Money4%

Product Condition2%

Maintenance And Repair2%

Assembly/Installation2%

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.