toto toilet replacement parts
Skip itSoft demand (-2.4% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$23.77avg listing price — sweet spot $15–$100
Price range
Great$7.50–$55.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.8%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,307.59avg incumbent reviews — the moat a new listing must climb
Returns
Good2.8%return rate — above 5% kills the launch gate
Market size
Good$291K$291K/yr · 156K searches
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Growth
Bad-2.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, toto toilet replacement parts is a $291K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 49/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
toto toilet replacement parts market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- $297K–$357K
- units × avg price
- Conversion rate
- 7.8%
- Avg BSR
- #1,906
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 65%
- Out of stock
- 0.0%
- Avg brand age
- 31 months
- Avg seller age
- 142 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
12 flat
Sellers
74
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
13%
- TOTO47%
- Dincerpen13%
- Korky12%
- Ancable8%
- Lychee Light3%
- TOILTOBLE3%
- Open — no brand owns it (6 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top toto toilet replacement parts search terms
- toto toilet replacement parts67K/yr
- toto toilet parts38K/yr
- toto flush valve replacement9K/yr
- toto flush valve7K/yr
- toto toilet replacement parts kit6K/yr
- toto replacement parts toilet5K/yr
- toto replacement parts4K/yr
- toto st743s replacement parts4K/yr
- toto parts3K/yr
- toto 1.6 gpf toilet replacement parts4K/yr
Top toto 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks
TOTO$35.324.6★708 rev
for TOTO Toilet Handle Replacement Parts Kit Side Mount Toilet Flush Handle for TOTO Kohler Toilet Tank Universal THU068#CP Trip Lvr for St743S (Zinc Alloy & Copper Lever)
Dincerpen$13.134.6★167 rev
TOTO Combo Kit - Universal Flapper (Replaces THU499S) & Fill Valve
TOTO$55.064.5★628 rev
TOTO Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S
TOTO$20.974.6★3,320 rev
for TOTO Toilet Handle Replacement Parts Kit Universal THU068#CP Trip Lvr for St743S Side Mount Toilet Flush Tank Lever Handle for TOTO Kohler Toilet Tank 1-Pack Copper Lever
Ancable$14.034.5★1,239 rev
Newest
by launch date
THU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M
TOILTOBLE$34.6445 rev
Nereusfwater Toilet Flush Valve Replacement Kit Universally for 3-Inch One-Piece Toilets Includes Chain & Rubber Seal Compatible with TOTO American Standard and Other WC Tank Repair Parts
Nereusfwater$25.3840 rev
3 Toilet Flush Valve Replacement Parts Fit for Toto THU Two Piece Toilets
daydmaly$30.4614 rev
for TOTO Toilet Handle Replacement Parts Kit Side Mount Toilet Flush Handle for TOTO Kohler Toilet Tank Universal THU068#CP Trip Lvr for St743S (Zinc Alloy & Copper Lever)
Dincerpen$13.13167 rev
Lychee Light Toilet Flush Valve Replacement Parts for One-Piece Toilets Compatible with Toto THU Series Fits 3-Inch Flush Hole Includes Repair Kit with Two Silicone Gaskets
Lychee Light$38.5434 rev
Trending
90-day click momentumTOTO Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks - THU500S
TOTO$20.974.6★
3 Toilet Flush Valve Replacement Parts Fit for Toto THU Two Piece Toilets
daydmaly$30.465.0★
TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks
TOTO$35.324.6★
for TOTO Toilet Handle Replacement Parts Kit Side Mount Toilet Flush Handle for TOTO Kohler Toilet Tank Universal THU068#CP Trip Lvr for St743S (Zinc Alloy & Copper Lever)
Dincerpen$13.134.6★
Nereusfwater Toilet Flush Valve Replacement Kit Universally for 3-Inch One-Piece Toilets Includes Chain & Rubber Seal Compatible with TOTO American Standard and Other WC Tank Repair Parts
Nereusfwater$25.384.3★
What buyers say about toto toilet replacement parts
What buyers praise and complain about, mined from review topics.What buyers love
“Exact fit”
“set up was a great experience”
“Excellent Quality”
“As described”
“works great”
“Good price”
“has not leaked once”
“Quick and easy”
“Works great and love how its adjustable”
“Durable and Easy to Install”
What buyers complain about
“it leaks”
“Did not fit”
“Poor quality”
“they does not seem to be durable”
“didn't work correctly”
“Weird flush after installing”
“Beware the Flapper is Not Universal”
“The instructions are pathetic”
“cheap parts that are universal Worked perfectly”
“I had really bad water flow when the tank was filling”
Top return reasons
Common questions
- Is toto toilet replacement parts profitable to sell on Amazon United States?
- The niche generates $291K/yr across 17 tracked products. 90-day search growth is -2.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the toto toilet replacement parts niche?
- 12 brands and 74 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in toto toilet replacement parts?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 2.8%.
- When does demand for toto toilet replacement parts peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the toto toilet replacement parts niche?
- Listings span $7.50–$55.06; the average listing price is $23.77 (sweet spot $15–$100). The average incumbent carries 1,308 reviews — the moat a new listing must climb.