gerber toilet flapper
Skip itA concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible16.0%search→purchase rate — share of searches ending in a sale
Review moat
Good905.5avg incumbent reviews — the moat a new listing must climb
Growth
Okay+14.2%90-day search growth — must beat 0% to launch
Avg price
Okay$10.87avg listing price — sweet spot $15–$100
Price range
Okay$7.61–$18.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad90%top-5 brand share — brand-locked demand
Returns
Bad5.3%return rate — above 5% kills the launch gate
Market size
Bad$82K$82K/yr · 47K searches
Competition
Bad79%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, gerber toilet flapper is a $82K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 36/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
gerber toilet flapper market data
- Units sold / yr
- 6K–8K
- avg 750–1,000/product
- Revenue / yr
- $65K–$87K
- units × avg price
- Conversion rate
- 16.0%
- Avg BSR
- #1,108
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 58%
- Out of stock
- 0.0%
- Avg brand age
- 36 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 flat
Sellers
44
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
6%
- Lceyco46%
- Gerber21%
- Ullnosoo14%
- Okala Plumbing Supply6%
- Korky4%
- WELCAPAC4%
- Open — no brand owns it (2 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top gerber toilet flapper search terms
- gerber toilet flapper30K/yr
- gerber toilet flapper replacement7K/yr
- gerber flapper5K/yr
- gerber flapper 99-7883K/yr
- flapper 99-7882K/yr
Top gerber toilet flapper 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gerber Toilet Flapper Replacement 2 Pack 3 inch for Gerber 99-788 with 2 Toilet Handle Chains Lecyco Rubber Water Saving Easy to Install 2
Lceyco$9.944.4★997 rev
Gerber 99-647
Gerber$9.494.6★875 rev
Toilet Flapper Replacement for Gerber 3 inch Toilet Stopper Kit for Gerber 99-788 with 2 Toilet Handle Chains Fits 3 inch Toilet Flush Valve Water Saving Easy to Install
Ullnosoo$7.614.5★209 rev
OEM (Original Equipment Manufacturer) Replacement for Gerber GA-715014 3-inch Flapper
Okala Plumbing Supply$11.524.9★31 rev
3 inch Toilet Flapper Replacement for Gerber 2 Pack for Gerber 99-788 with 2 Toilet Handle Chains Rubber Water Saving Easy to Install
Ullnosoo$10.364.4★664 rev
Newest
by launch date
Toilet Flapper Replacement for Gerber 3 inch 4 Pack for Gerber 99-788 Toilet Tank with 2 Toilet Handle Chains
Ullnosoo$18.3119 rev
3-Inch Toilet Flapper Replacement Compatible with Gerber 99-788 Water Conserving Toilet Tank Flapper with Long Lasting Rubber & Stainless Steel Chain Easy to Install Toilet Flapper Blue
WELCAPAC$8.5814 rev
OEM (Original Equipment Manufacturer) Replacement for Gerber GA-715014 3-inch Flapper
Okala Plumbing Supply$11.5231 rev
OEM (Original Equipment Manufacturer) Replacement for Gerber GA-715069 Flapper
FIRE ROSE$12.9328 rev
Toilet Flapper Replacement for Gerber 3 inch Toilet Stopper Kit for Gerber 99-788 with 2 Toilet Handle Chains Fits 3 inch Toilet Flush Valve Water Saving Easy to Install
Ullnosoo$7.61209 rev
Trending
90-day click momentum3-Inch Toilet Flapper Replacement Compatible with Gerber 99-788 Water Conserving Toilet Tank Flapper with Long Lasting Rubber & Stainless Steel Chain Easy to Install Toilet Flapper Blue
WELCAPAC$8.584.6★
Toilet Flapper Replacement for Gerber 3 inch 4 Pack for Gerber 99-788 Toilet Tank with 2 Toilet Handle Chains
Ullnosoo$18.314.4★
OEM (Original Equipment Manufacturer) Replacement for Gerber GA-715014 3-inch Flapper
Okala Plumbing Supply$11.524.9★
OEM (Original Equipment Manufacturer) Replacement for Gerber GA-715069 Flapper
FIRE ROSE$12.934.8★
Gerber 99-647
Gerber$9.494.6★
What buyers say about gerber toilet flapper
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent fit”
“Great fit and installation”
“Excellent product”
“As advertised”
“Works best on Gerber toilets”
“Does not leak, seals perfectly”
“Good value”
“made of durable”
“easy fix”
“Easy”
What buyers complain about
“it was too small”
“The toilet tank would leak into the bowl every 20 minutes”
“Broken”
“Did not install it”
“This flapper is junk”
“didn't turn out well”
“Cheap and filmsy”
“Does not fit on my American Standard toilet”
“Thin and flimsy”
“I paid more than twice the amount of money for flappers that kept sticking on me”
Top return reasons
Common questions
- Is gerber toilet flapper profitable to sell on Amazon United States?
- The niche generates $82K/yr across 12 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +14.2%. Flapen's verdict: Skip it (36/100).
- How competitive is the gerber toilet flapper niche?
- 8 brands and 44 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in gerber toilet flapper?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Durability. The return rate is 5.3% — above our launch gate.
- When does demand for gerber toilet flapper peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the gerber toilet flapper niche?
- Listings span $7.61–$18.31; the average listing price is $10.87 (sweet spot $15–$100). The average incumbent carries 906 reviews — the moat a new listing must climb.