Best Selling Kohler Toilet Flapper: See Top Product Rankings by Sales Volume & Market Trends

August 2026
131 Products Tracked

Looking for the most popular kohler toilet flapper products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "kohler toilet flapper." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B00E5ICW0E currently leads the kohler toilet flapper market with 10K monthly sales, followed closely by B09NYLJ1FZ with 10K monthly sales and B001GZVSX6 with 6K monthly sales. Meanwhile, ASIN B003MH314U stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales August 2026
Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP
1
B00E5ICW0E
$6.84·
4.5
Units/sold10K
Fluidmaster K-400H-039 Toilet Fill Valve & 2-Inch Flapper Repair Kit
2
B09NYLJ1FZ
$16.97·
4.6
Units/sold10K
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
3
B001GZVSX6
$17.80·
4.6
Units/sold6K
🚀Fastest Growing
by MoM sales growth
KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts
#1
B003MH314U
$20.48·
4.6
KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts
Units/sold
2K100.0%
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
#2
B0CM5XB3F2
$9.99·
4.4
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
Units/sold
2K100.0%

Top Selling Kohler Toilet Flapper

As of August 2026, we analyzed 131 tracked products in Amazon's "kohler toilet flapper" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 2,000 and 10,000 monthly sales. B00E5ICW0E leads the kohler toilet flapper market with an estimated 10,000 monthly sales.

131Products Tracked
4,900Top 10 Avg. Sales
$13.88Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP
#1
B00E5ICW0E

Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP

10,000
Units Sold/mo
$6.84
Price
4.5
Rating
15.5K
Reviews
2
Fluidmaster K-400H-039 Toilet Fill Valve & 2-Inch Flapper Repair Kit
B09NYLJ1FZ
$16.97
4.6 (4.3K)
Fluidmaster K-400H-039 Toilet Fill Valve & 2-Inch Flapper Repair Kit
10,000 Units Sold/mo▲ 25.0%
3
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
B001GZVSX6
$17.80
4.6 (10.1K)
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
6,000 Units Sold/mo▲ 20.0%
4
Korky Large 3-Inch Premium Universal Toilet Flapper
B0034LX2BG
$11.98
4.5 (4.2K)
Korky Large 3-Inch Premium Universal Toilet Flapper
6,000 Units Sold/mo▲ 20.0%
5
Fluidmaster 400AKRP10 Universal Toilet Repair Kit, 2-Inch Flush Valve
B0002YVK44
$21.23
4.5 (7.7K)
Fluidmaster 400AKRP10 Universal Toilet Repair Kit, 2-Inch Flush Valve
5,000 Units Sold/mo▲ 25.0%
10
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
B0CM5XB3F2
$9.99
4.4 (1K)
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
2,000 Units Sold/mo▲ 100.0%
View All 131 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the kohler toilet flapper price landscape, we segmented all 131 tracked listings in Amazon's live "kohler toilet flapper" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $10.00 ~ $20.00 band is the category's best kohler toilet flapper price zone, absorbing 41% of the assortment (110 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the kohler toilet flapper category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 41% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
41%
110 products

Top products in this price tier

#1
B00E5ICW0E
$6.84
10k Units Sold/mo
Unlock Top Performers
#2
$0.00 ~ $10.00
Tier 2
41%
109 products
$20.00 ~ $50.00
Tier 3
15%
41 products
$50.00 ~ $100.00
3%
Unlock to view all price tier distributions and their ASIN sales contributions

"Kohler toilet flapper" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "kohler toilet flapper" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-07-19 to 2026-07-25, the Amazon USweekly search volume for "kohler toilet flapper" was approximately 534 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #345,355, climbing 63,620 positions from the previous week. Additionally, the top 3 products for this keyword capture 49% of the total click share and 48.9% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

kohler toilet flapper

ASINSIGHT
Search Frequency Rank
345,355
63,620
Search Volume
534
18.9%
Top 3 Click Share
49%
Top 3 Conv. Share
48.9%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
534
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJunJul
Multi-Dimensional Data

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