jacuzzi toilet replacement parts
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.9%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$23.52avg listing price — sweet spot $15–$100
Price range
Great$10.05–$36.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.4%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Okay+17.3%90-day search growth — must beat 0% to launch
Market size
Okay$110K$110K/yr · 29K searches
Review moat
Okay3,882.43avg incumbent reviews — the moat a new listing must climb
Competition
Bad94%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, jacuzzi toilet replacement parts is a $110K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
jacuzzi toilet replacement parts market data
- Units sold / yr
- 4K–5K
- avg 250–500/product
- Revenue / yr
- $94K–$118K
- units × avg price
- Conversion rate
- 15.9%
- Avg BSR
- #164
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 57%
- Out of stock
- 0.0%
- Avg brand age
- 35 months
- Avg seller age
- 147 days
Competition & brand share
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
65
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
94%
Top 20: 100%
Open market
0%
- TOTO53%
- Korky31%
- Lychee Light9%
- EZ-FLUID4%
- Fluidmaster3%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +17.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top jacuzzi toilet replacement parts search terms
- toto fill valve9K/yr
- toto fill valve replacement10K/yr
- toto anti siphon 5283K/yr
- toto toilet fill valve3K/yr
- toto universal fill valve2K/yr
- toto toilet fill valve replacement3K/yr
Top jacuzzi 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 7 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

Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA Black
Korky$20.994.5★1,803 rev

Lychee Light Toilet Fill Valve Compatible With TOTO Vintage Supply Valve With G3/4 Connection Equipped With G1/2 Adapter Filter & Supply Tube WC Replacement Part Repair Accessory
Lychee Light$30.513.9★20 rev

Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install 528MP
Korky$10.054.5★6,568 rev

Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Repair Kit Inside Tank Parts Replace TSU99A.X and All other TOTO Toilets (1)
EZ-FLUID$36.934.5★236 rev
Newest
by launch date
Lychee Light Toilet Fill Valve Compatible With TOTO Vintage Supply Valve With G3/4 Connection Equipped With G1/2 Adapter Filter & Supply Tube WC Replacement Part Repair Accessory
Lychee Light$30.5120 rev

TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks
TOTO$35.32708 rev

Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Repair Kit Inside Tank Parts Replace TSU99A.X and All other TOTO Toilets (1)
EZ-FLUID$36.93236 rev

Korky QuietFILL 2X Long Life Toilet Fill Valve - Easy Height Adjust
Korky$15.96946 rev

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control 1-Pack Multicolor
Fluidmaster$14.8916,896 rev
Trending
90-day click momentum
TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks
TOTO$35.324.6★

Korky QuietFILL 2X Long Life Toilet Fill Valve - Easy Height Adjust
Korky$15.964.5★

Lychee Light Toilet Fill Valve Compatible With TOTO Vintage Supply Valve With G3/4 Connection Equipped With G1/2 Adapter Filter & Supply Tube WC Replacement Part Repair Accessory
Lychee Light$30.513.9★

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control 1-Pack Multicolor
Fluidmaster$14.894.6★

Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA Black
Korky$20.994.5★
What buyers say about jacuzzi toilet replacement parts
What buyers praise and complain about, mined from review topics.What buyers love
“Easy fix”
“It fit perfectly”
“Good price”
“Surprising how much better the toilet works now”
“The build quality feels solid”
“As described”
“Easy as pie”
“Clear instructions”
“Works fine and doesn't leak”
“Very adjustable”
What buyers complain about
“It leaks”
“Random noises”
“broke almost instantly”
“Low quality product”
“Has never worked properly”
“Tricky to install”
“I found it hard to believe that was a design flaw”
“water keeps running, not working properly”
“Tube that comes with product does not fit onto the product”
“Cheap part came in pieces”
Top return reasons
Common questions
- Is jacuzzi toilet replacement parts profitable to sell on Amazon United States?
- The niche generates $110K/yr across 7 tracked products. 90-day search growth is +17.3%. Flapen's verdict: Skip it (43/100).
- How competitive is the jacuzzi toilet replacement parts niche?
- 5 brands and 65 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in jacuzzi toilet replacement parts?
- Top complaints mined from reviews: Leak-Proof, Noise Level, Durability. The return rate is 2.4%.
- When does demand for jacuzzi toilet replacement parts peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the jacuzzi toilet replacement parts niche?
- Listings span $10.05–$36.93; the average listing price is $23.52 (sweet spot $15–$100). The average incumbent carries 3,882 reviews — the moat a new listing must climb.