Stihl Fs40c
PassStihl Fs40c scores 65 out of 100, a Pass. Shoppers spend an estimated $69K a year here, search demand grew +380.4% this quarter, and an estimated 2.0% of orders come back.
- Flapen Score
- 65 / 100Top 16% of 8,839 Patio, Lawn & Garden niches · +9 vs the category median of 5665
- Market size
- $69K/yr56K searches / yr
- 90-day growth
- +380.4%search demand this quarter
- Competition
- 68%top-5 click share · 12 brands · 21 sellers
Flapen Score
Stihl Fs40c against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Stihl Fs40c is stronger. Inside it, weaker.
Market
The Stihl Fs40c market on Amazon at a glance
Shoppers on Amazon United States searched for Stihl Fs40c 56K times last year and spent an estimated $69K. The top 5 brands take 74% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 65 out of 100, a Pass.
01 · Demand
An estimated 6.7% of those searches ended in a purchase.
Shoppers searched for this 56K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.7% of those searches ended in a purchase. Searches in the last 90 days moved +380.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $69K a year.
- Searches, last 12 months
- 56K
- Growth, 90 days vs prior 90
- +380.4%
- Conversion, latest week
- 6.7%
- Market size, estimated
- $69Ka year
- Peak month
- May18.3× the quietest month
- Top search term
- stihl fs40c trimmer head11K searches a year
02 · Price
A sale here is worth $18.21.
Listings sell for $18.21 on average, from $14.12 to $35.86. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $18.21 that is $2K to $5K a year per listing.
- Average price
- $18.21inside the $15 to $100 sweet spot
- Price range
- $14.12–$35.86
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 2.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
94% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.9% of listings are out of stock. The average listing ranks #675 within String Trimmer Parts & Accessories. It carries 147 reviews at 3.97 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 94%
- Prime listings
- 100%
- Out of stock, average day
- 4.9%
- Average rank
- #675in String Trimmer Parts & Accessories
- Average rating
- 3.97 starsAmazon United States average 4.42 stars
- Average reviews
- 147per listing
- Listings tracked
- 16
04 · Newcomers
0 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 30 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 5
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 30 months
Products
Top Stihl Fs40c products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Anpongta C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 Weed Eater Head 4006 710 2106 4006 710 2103
- Price
- $16.55
- Rating
- 3.9/5
- Reviews
- 524
- Age
- 4y ago

STIHL 4006 710 2103 5 2 AutoCut Trimmer Head
- Price
- $35.86
- Rating
- 4.5/5
- Reviews
- 279
- Age
- 15y ago

AILEETE C5-2 Trimmer Head 4006 710 2106 Fits for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FSE60 FSE71 FSE81 Weed Eater 4006 710 2103
- Price
- $16.05
- Rating
- 3.9/5
- Reviews
- 260
- Age
- 5y ago

Direvcdro (2-Pack) C6-2 Trimmer Head Replacement for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FS50C FSA60R FSA86R FSE60 FSE71 FSE81 High-Durability Auto-Cut Line Head Fit 4006 710 2126 Models
- Price
- $20.97
- Rating
- 4.1/5
- Reviews
- 126
- Age
- 1y ago

Wanotine C6-2 Trimmer Head Replaces Autocut C6-2 for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FSE60 FSE71 FSE81 FSA60R Brushcutter 4006 710 2126 4006 710 2106
- Price
- $15.92
- Rating
- 4.0/5
- Reviews
- 41
- Age
- 1y ago
Trending
estimated 90-day click momentum
Rohacir Trimmer Head Replacement for Stihl Polycut 6-2 Weed Eater Head Fits FS38 FS40 FS40C FS44 FS45 FS46 FS50 FS50C FS51 FSA60R FSA86R
- Price
- $19.03
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Dopend C5-2 Trimmer Head for Stihl FS38 FS40C FS45 FS46 FS50C Trimmer Head Replaces 4006 710 2106 4006 710 2103
- Price
- $14.12
- Rating
- 3.5/5
- Reviews
- 9
- Age
- 6mo ago

Dofank C6-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FSE60 String Trimmer Head Replaces Stihl Autocut C6-2 Trimmer Head
- Price
- $15.22
- Rating
- 3.0/5
- Reviews
- 4
- Age
- 5mo ago

Heavy Duty Weed Eater Head for Stihl PolyCut 6-2 4006-710-2137
- Price
- $19.97
- Rating
- 4.0/5
- Reviews
- 17
- Age
- 5mo ago

Dofank C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FS50C FS50C-E FSB-KM String Trimmer Head Replaces Stihl 4006 710 2106 AutoCut C5-2 Trimmer Head
- Price
- $14.98
- Rating
- 3.9/5
- Reviews
- 6
- Age
- 5mo ago
Newest
by launch date
Dofank C5-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS45C FS46 FS50 FS50C FS50C-E FSB-KM String Trimmer Head Replaces Stihl 4006 710 2106 AutoCut C5-2 Trimmer Head
- Price
- $14.98
- Rating
- 3.9/5
- Reviews
- 6
- Age
- 5mo ago

Dofank C6-2 Trimmer Head for Stihl FS38 FS40 FS40C FS45 FS46 FS50 FSE60 String Trimmer Head Replaces Stihl Autocut C6-2 Trimmer Head
- Price
- $15.22
- Rating
- 3.0/5
- Reviews
- 4
- Age
- 5mo ago

Heavy Duty Weed Eater Head for Stihl PolyCut 6-2 4006-710-2137
- Price
- $19.97
- Rating
- 4.0/5
- Reviews
- 17
- Age
- 5mo ago

Rohacir Trimmer Head Replacement for Stihl Polycut 6-2 Weed Eater Head Fits FS38 FS40 FS40C FS44 FS45 FS46 FS50 FS50C FS51 FSA60R FSA86R
- Price
- $19.03
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Dopend C5-2 Trimmer Head for Stihl FS38 FS40C FS45 FS46 FS50C Trimmer Head Replaces 4006 710 2106 4006 710 2103
- Price
- $14.12
- Rating
- 3.5/5
- Reviews
- 9
- Age
- 6mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
21
Est. top-5 brand share
74%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
20%
- Anpongta26%
- Stihl16%
- AILEETE12%
- Direvcdro12%
- Wanotine9%
- Hipa6%
Demand
Stihl Fs40c search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 18.3×
Search terms
Top Stihl Fs40c search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- stihl fs40c trimmer head11K/yr
- stihl fs38 trimmer head8K/yr
- stihl fs45 trimmer head8K/yr
- stihl fs 40c replacement head5K/yr
- stihl fs 40c trimmer head4K/yr
- stihl fs40c6K/yr
- stihl fs 38 trimmer head4K/yr
- stihl fs50c trimmer head4K/yr
- fs38 trimmer head3K/yr
- fs40c trimmer head3K/yr
Reviews and returns
What reviews say buyers love and hate about Stihl Fs40c
We read the reviews and the return reasons for every product selling here.
“Poor quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Stihl Fs40c questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









