8557403
Skip itA concentrated shelf (top 5 take 82% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible22.3%search→purchase rate — share of searches ending in a sale
Review moat
Great317.2avg incumbent reviews — the moat a new listing must climb
Avg price
Great$15.70avg listing price — sweet spot $15–$100
Price range
Great$8.39–$35.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Okay3.3%return rate — above 5% kills the launch gate
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Growth
Bad-11.5%90-day search growth — must beat 0% to launch
Market size
Bad$63K$63K/yr · 18K searches
Competition
Bad82%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, 8557403 is a $63K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 42/100.
Data updated Jul 5, 2026 · scored weekly · How we score niches
8557403 market data
- Units sold / yr
- 3K–4K
- avg 250–500/product
- Revenue / yr
- $47K–$63K
- units × avg price
- Conversion rate
- 22.3%
- Avg BSR
- #1,385
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 52 months
- Avg seller age
- 210 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
10
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
5%
- AMI PARTS50%
- PartsBroz14%
- Sikawai11%
- SUUJI8%
- puxyblue7%
- Romalon6%
- Open — no brand owns it (1 brand, 5%)
Demand
Weekly Amazon search volume, last 47 weeks — -11.5% search growth over the last 90 days.Top 8557403 search terms
- 85574037K/yr
- wp85574034K/yr
- 2801483K/yr
- 83183143K/yr
Top 8557403 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
280148 Thermal Cut Off Kit Includes 8557403 Thermostat 8318314
AMI PARTS$14.804.4★480 rev
WP8557403 High Limit Thermostat Sensor Fit for Whirl-Pool Dryers
AMI PARTS$9.804.4★158 rev
WP8557403 8557403 Dryer High Limit Thermostat for Whirlpool Kenmore Maytag
PartsBroz$9.714.5★168 rev
8557403 Dryer Thermostat&8318314 Thermal Fuse by MIFLUS
Sikawai$13.984.2★100 rev
280148 Dryer Thermal Cut Off Kit Includes 8557403 Thermostat 8318314 Thermal Fuse Replacement Part Compatible with Whirlpool Dryers Replaces for 280148VP AP3874047 1175772 PS991443 EAP991443 WP8557403
SUUJI$10.074.6★83 rev
Newest
by launch dateWP8557403 8557403 Dryer High Limit Thermostat for Whirlpool Kenmore Maytag
PartsBroz$9.71168 rev
280148 Dryer Thermal Cut Off Kit Includes 8557403 Thermostat 8318314 Thermal Fuse Replacement Part Compatible with Whirlpool Dryers Replaces for 280148VP AP3874047 1175772 PS991443 EAP991443 WP8557403
SUUJI$10.0783 rev
8544771 Dryer Heating Element Fit for Whirlpool Kenmore Maytag 8557403 High Limit Thermostat 8318314 Thermal Fuse 280148 Thermal Cut Off Kit wp8544771 AP6013115 PS11746337 By puxyblue
puxyblue$20.83225 rev
BlueStars 8544771 WED9200SQ0 Dryer Heating Element 280148 (8557403 & 8318314) Thermal Cut Off Kit 3392519 Thermal Fuse 8577274 Thermistor For Whirlpool WED9550WW1 WED9400SW2 WED7300XW0 Kenmore Dryer
BlueStars$35.58358 rev
8557403 Dryer Thermostat&8318314 Thermal Fuse by MIFLUS
Sikawai$13.98100 rev
Trending
90-day click momentum
280148 Dryer Thermostat and Thermal Fuse Kit Replaces 8557403 8318314 AP3874047 PS991443 Compatible with Whirlpool Maytag Kenmore Dryers Fix No Heat & Overheating Issues 1-Year Warranty by Romalon
Romalon$12.694.5★
WP8557403 High Limit Thermostat Sensor Fit for Whirl-Pool Dryers
AMI PARTS$9.804.4★
8544771 Dryer Heating Element Fit for Whirlpool Kenmore Maytag 8557403 High Limit Thermostat 8318314 Thermal Fuse 280148 Thermal Cut Off Kit wp8544771 AP6013115 PS11746337 By puxyblue
puxyblue$20.834.5★
BlueStars 279973 Dryer Thermal Cut-Off Fuse Kit - Compatible with Whirlpool Kenmore Maytag KitchenAid Electric Dryer Replacement Fuse Parts - Replaces 8318314 3391913 AP3094323 PS334387 279973VP
BlueStars$8.394.5★
8557403 Dryer Thermostat&8318314 Thermal Fuse by MIFLUS
Sikawai$13.984.2★
What buyers say about 8557403
What buyers praise and complain about, mined from review topics.What buyers love
“Exact Fit”
“now my dryer works better than ever”
“As advertised and easy to install”
“much cheaper than the whirlpool kit”
“Worked perfectly in fixing the heating element in my dryer”
“exact part”
“Easy to replace”
“Excellent Price and Quality”
What buyers complain about
“A little over two months and is dead”
“This was clearly a component quality issue”
“eventually blowing the thermal fuse”
“Just created some confusion at first fitting”
“Cheap part”
“Poorly constructed”
“Waste of money”
“Poorly manufactured”
“Installation was a bit awkward due to the dryer design”
Top return reasons
Common questions
- Is 8557403 profitable to sell on Amazon United States?
- The niche generates $63K/yr across 10 tracked products. 90-day search growth is -11.5%. Flapen's verdict: Skip it (42/100).
- How competitive is the 8557403 niche?
- 7 brands and 10 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in 8557403?
- Top complaints mined from reviews: Durability, Quality-Overall, Heating. The return rate is 3.3%.
- What does it cost to enter the 8557403 niche?
- Listings span $8.39–$35.58; the average listing price is $15.70 (sweet spot $15–$100). The average incumbent carries 317 reviews — the moat a new listing must climb.