Stihl Primer Bulb
FailPrices span $5.38–$11.87, mostly outside the sweet spot, so Stihl Primer Bulb is a Fail.
- Flapen Score
- 47 / 100Ranks 6,868 of 8,839 Patio, Lawn & Garden niches · −9 vs the category median of 5647
- Market size
- $40K/yr47K searches / yr
- 90-day growth
- +127.5%search demand this quarter
- Competition
- 84%top-5 click share · 10 brands · 12 sellers
Flapen Score
Stihl Primer Bulb against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Stihl Primer Bulb is stronger. Inside it, weaker.
Market
The Stihl Primer Bulb market on Amazon at a glance
Shoppers on Amazon United States searched for Stihl Primer Bulb 47K times last year and spent an estimated $40K. The top 5 brands take 84% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 10.4% of those searches ended in a purchase.
Shoppers searched for this 47K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.4% of those searches ended in a purchase. Searches in the last 90 days moved +127.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $40K a year.
- Searches, last 12 months
- 47K
- Growth, 90 days vs prior 90
- +127.5%
- Conversion, latest week
- 10.4%
- Market size, estimated
- $40Ka year
- Top search term
- stihl primer bulb24K searches a year
02 · Price
A sale here is worth $8.10.
Listings sell for $8.10 on average, from $5.38 to $11.87. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At $8.10 that is $2K to $4K a year per listing.
- Average price
- $8.10under the $15 to $100 sweet spot
- Price range
- $5.38–$11.87
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $2K–$4K
- Returns
- 0.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #345 within String Trimmer Parts & Accessories. It carries 505 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #345in String Trimmer Parts & Accessories
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 505per listing
- Listings tracked
- 10
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 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 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top Stihl Primer Bulb 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
KWEOTUGO 6 pcs 4226 121 2700 Carburetor Primer Bulbs for Stihl Primer Bulb FS38 FS40C FS45 FS55 FS56RC FS70 FS80R FS90R FS91 FS100 FS111 FS130 White
- Price
- $6.09
- Rating
- 4.8/5
- Reviews
- 130
- Age
- 2y ago

ZNBSIXP 10 Pack Carburetor Primer Bulb for Stihl FS55 FS55R FS56RC FS70 FS80R FS85 FS90 FS90R FS91 FS91R FS110 FS111 FS130R FS40C FS45 BG55 BG56C BG65 BG75 BG85 BG86 0057003 0057004 String Trimmer
- Price
- $6.02
- Rating
- 4.8/5
- Reviews
- 142
- Age
- 1y ago

Wanotine 10-Packs Primer Bulb for Stihl FS90 FS90R FS55 FS55R FS56RC FS70R FS80R FS85 FS91R FS110 FS130 FS130R FS40 FS45 BG50 BG55 BG56 BG65 BG75 BG85 BG86 Replace 4226 121 2700
- Price
- $10.04
- Rating
- 4.6/5
- Reviews
- 157
- Age
- 3y ago

LBJvsKD Replacement for Stihl Primer Bulb Fits Stihl Weed Eater Parts of FS38 FS40 FS40C FS45 FS46 FS50 FS55 FS55R FS56RC FS70 FS85 FS90 FS91R Weedeater Models (5PC) 4226 121 2700
- Price
- $6.10
- Rating
- 4.8/5
- Reviews
- 34
- Age
- 1y ago

Poweka 5 Pack 4226 121 2700 Carburetor Primer Bulb Compatible with S-tihl FS38 FS40 FS40C FS45 FS46 FS55 FS56RC FS70 FS80R FS90R FS91 FS100 FS111 FS130 String Trimmer for Zama 0057003 0057004
- Price
- $6.08
- Rating
- 4.6/5
- Reviews
- 2,701
- Age
- 11y ago
Trending
estimated 90-day click momentum
LBJvsKD Replacement for Stihl Primer Bulb Fits Stihl Weed Eater Parts of FS38 FS40 FS40C FS45 FS46 FS50 FS55 FS55R FS56RC FS70 FS85 FS90 FS91R Weedeater Models (5PC) 4226 121 2700
- Price
- $6.10
- Rating
- 4.8/5
- Reviews
- 34
- Age
- 1y ago

KimiClipigx 2 Pack 1143 350 6200 Fuel Pump Primer Bulb Replacement for Stihl MS231 MS231C MS251 MS251C 1143 350 6200 1143-350-6200
- Price
- $11.87
- Rating
- 3.9/5
- Reviews
- 10
- Age
- 8mo ago

KWEOTUGO 6 pcs 4226 121 2700 Carburetor Primer Bulbs for Stihl Primer Bulb FS38 FS40C FS45 FS55 FS56RC FS70 FS80R FS90R FS91 FS100 FS111 FS130 White
- Price
- $6.09
- Rating
- 4.8/5
- Reviews
- 130
- Age
- 2y ago

Ferilter FS55R Air Filter Fuel Line Primer Bulb Tune Up Kit for STIHL FS55 FS38 FS45 FS46 KM55 HL45 MM55 String Trimmer Weed Eater
- Price
- $10.05
- Rating
- 4.7/5
- Reviews
- 636
- Age
- 5y ago

CARBBIA 5 Pack Primer Bulb 4238 350 6201 for Stihl TS410 TS410Z TS420 TS420Z
- Price
- $9.94
- Rating
- 4.3/5
- Reviews
- 124
- Age
- 4y ago
Newest
by launch date
KimiClipigx 2 Pack 1143 350 6200 Fuel Pump Primer Bulb Replacement for Stihl MS231 MS231C MS251 MS251C 1143 350 6200 1143-350-6200
- Price
- $11.87
- Rating
- 3.9/5
- Reviews
- 10
- Age
- 8mo ago

LBJvsKD Replacement for Stihl Primer Bulb Fits Stihl Weed Eater Parts of FS38 FS40 FS40C FS45 FS46 FS50 FS55 FS55R FS56RC FS70 FS85 FS90 FS91R Weedeater Models (5PC) 4226 121 2700
- Price
- $6.10
- Rating
- 4.8/5
- Reviews
- 34
- Age
- 1y ago

ZNBSIXP 10 Pack Carburetor Primer Bulb for Stihl FS55 FS55R FS56RC FS70 FS80R FS85 FS90 FS90R FS91 FS91R FS110 FS111 FS130R FS40C FS45 BG55 BG56C BG65 BG75 BG85 BG86 0057003 0057004 String Trimmer
- Price
- $6.02
- Rating
- 4.8/5
- Reviews
- 142
- Age
- 1y ago

KWEOTUGO 6 pcs 4226 121 2700 Carburetor Primer Bulbs for Stihl Primer Bulb FS38 FS40C FS45 FS55 FS56RC FS70 FS80R FS90R FS91 FS100 FS111 FS130 White
- Price
- $6.09
- Rating
- 4.8/5
- Reviews
- 130
- Age
- 2y ago

yhoparts (12-Pack) Primer Bulb 4226 121 2700 for Stihl Trimmer FS55 FS55R FS56RC FS70 FS80R FS85 FS90 FS90R FS91 FS91R FS110 FS111 FS130R FS40C FS45 BG55 BG56C BG65 BG75 BG85 BG86 Weed Eater Parts
- Price
- $9.43
- Rating
- 4.8/5
- Reviews
- 58
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 84% of clicks. A locked shelf that new listings rarely crack.
Brands
10 falling
Sellers
12
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
84%
Top 20: 100%
Open market
10%
- KWEOTUGO31%
- ZNBSIXP22%
- Wanotine13%
- LBJvsKD11%
- Poweka8%
- yhoparts5%
- Open — no brand owns it (4 brands, 10%)
Search terms
Top Stihl Primer Bulb search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- stihl primer bulb24K/yr
- stihl primer bulb replacement11K/yr
- primer bulb for stihl weedeater5K/yr
- stihl weed eater primer bulb4K/yr
- stihl fuel primer bulb3K/yr
Reviews and returns
What reviews say buyers love and hate about Stihl Primer Bulb
We read the reviews and the return reasons for every product selling here.
“Its definitely a tight fit”
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.
18 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 Primer Bulb 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









