Is stihl fs90r carburetor profitable to sell on Amazon United States?

The niche generates $59K/yr across 7 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +120.1%. Flapen's verdict: Worth a look (55/100).

How competitive is the stihl fs90r carburetor niche?

7 brands and 12 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in stihl fs90r carburetor?

Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Leak-Proof. The return rate is 1.1%.

When does demand for stihl fs90r carburetor peak?

Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 17.6× the quietest.

What does it cost to enter the stihl fs90r carburetor niche?

Listings span $12.62–$18.70; the average listing price is $15.90 (sweet spot $15–$100). The average incumbent carries 504 reviews — the moat a new listing must climb.

stihl fs90r carburetor

Worth a look

Shows searches that convert (16.7% search→purchase), but a concentrated shelf (top 5 take 92% of clicks) keeps it on the watch list.

Conversion

Incredible16.7%

search→purchase rate — share of searches ending in a sale

Growth

Incredible+120.1%

90-day search growth — must beat 0% to launch

Returns

Great1.1%

return rate — above 5% kills the launch gate

Avg price

Great$15.90

avg listing price — sweet spot $15–$100

Review moat

Good504.29

avg incumbent reviews — the moat a new listing must climb

Price range

Good$12.62–$18.70

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Bad92%

top-5 brand share — brand-locked demand

Market size

Bad$59K

$59K/yr · 22K searches

Competition

Bad92%

top-5 click share — a locked-up shelf

Signals Trending

According to Flapen's Amazon United States niche tracking, stihl fs90r carburetor is a $59K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 55/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

stihl fs90r carburetor market data

Units sold / yr: 3K–4K; avg 500–750/product
Revenue / yr: $48K–$64K; units × avg price
Conversion rate: 16.7%
Avg BSR: #530
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 45 months
Avg seller age: 317 days

Competition & brand share

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

Hipa49%
HUZTL21%
karvayna10%
Kendwin7%
Ferilter5%
Harbot5%
Open — no brand owns it (1 brand, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +120.1% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 17.6×

Open Trend

Top stihl fs90r carburetor search terms

stihl fs90r carburetor12K/yr +145.3%12.9% conv.
fs90r carburetor5K/yr +125.6%16.2% conv.
stihl fs90 carburetor2K/yr +165.7%13.4% conv.
stihl ht101 carburetor3K/yr +4.6%15.3% conv.

All search terms

Top stihl fs90r carburetor 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Hipa FS90R Carburetor for STIHL FS90 HT101 FS110R FS90 KM110R FS100RX KM90R FS110 FS 90R HT 101 FS 110 FS 110R FC90 HT131 HL100K HL100 FS100 HT100 FS87 HL90 Trimmer C1Q-S174

Hipa$18.554.5★1,318 rev

HUZTL FS 90 R Carburetor kit for Stihl FS90R FS90 FS110R FS100 KM90R KM90 FS100RX FS110 KM110R HT100 HT101 Trimmer Weed Eater C1Q-S174 Carb

HUZTL$18.704.6★575 rev

Karvayna FS90R Carburetor for STIHL FS90R FS90 FS110R FS110 FS100RX FS100 KM90R KM110R HT101 HT100 HL100 HL100K FC90 FS110RX HT 101 FS 90 90R 110R Carb Trimmer Parts C1Q-S174 C1Q-S110 Tune Up Kit

karvayna$17.954.4★61 rev

Kendwin FS90R Carburetor for STIHL FS90 FS 90R FS110R FS100 KM90R KM90 FS100RX FS110 KM110R HT100 HT101 Trimmer Weedeater Replace C1Q-S174 41801200611

Kendwin$12.623.8★15 rev

FS90R FS110 FS110R Carburetor for STIHL HT101 FS90 FS130 FS130R FS100 KM110R KM130 HL100 HT100 FS87 FS100R KM90 KM90R KM100 KM110 FC90 FC95 FC100 FC110 HL90 Trimmer Weed Eater Pole Saw Carb

Ferilter$16.234.5★343 rev

Newest

by launch date

Kendwin FS90R Carburetor for STIHL FS90 FS 90R FS110R FS100 KM90R KM90 FS100RX FS110 KM110R HT100 HT101 Trimmer Weedeater Replace C1Q-S174 41801200611

Kendwin$12.6215 rev

7mo ago

Karvayna FS90R Carburetor for STIHL FS90R FS90 FS110R FS110 FS100RX FS100 KM90R KM110R HT101 HT100 HL100 HL100K FC90 FS110RX HT 101 FS 90 90R 110R Carb Trimmer Parts C1Q-S174 C1Q-S110 Tune Up Kit

karvayna$17.9561 rev

10mo ago

HUZTL FS 90 R Carburetor kit for Stihl FS90R FS90 FS110R FS100 KM90R KM90 FS100RX FS110 KM110R HT100 HT101 Trimmer Weed Eater C1Q-S174 Carb

HUZTL$18.70575 rev

6y ago

FS90R FS110 FS110R Carburetor for STIHL HT101 FS90 FS130 FS130R FS100 KM110R KM130 HL100 HT100 FS87 FS100R KM90 KM90R KM100 KM110 FC90 FC95 FC100 FC110 HL90 Trimmer Weed Eater Pole Saw Carb

Ferilter$16.23343 rev

7y ago

Harbot FS90R Carburetor for Stihl FS110R FS100 FS90 KM90R FS 90 R KM90 FS100RX FS110 KM110R HT100 HT101 Trimmer Weedeater Replace C1Q-S174 4180 120 0611

Harbot$13.71648 rev

7y ago

What buyers say about stihl fs90r carburetor

What buyers praise and complain about, mined from review topics.

What buyers love

Assembly/Installation21%

“Easy install”

Value For Money21%

“Great price”

Size-Overall16%

“Fit great”

Quality-Overall14%

“just beautifully made”

Advertised Vs Actual Product7%

“Better than expected”

Durability4%

“Been going strong for couple years”

Adjustability/Rotatability/Reclining4%

“Its easy to adjust everything if you need to”

Product Condition4%

“Runs like it did new”

Maintenance And Repair2%

“Easy repair with this kit”

Instructions/User Manual/Troubleshooting2%

“Great instructions, easy to follow”

What buyers complain about

Quality-Overall26%

“Quality control issue”

Functionality-Overall18%

“Carburetor does not work very good”

Leak-Proof17%

“Leaks”

Filtration9%

“Air filter in not correct”

Adjustability/Rotatability/Reclining9%

“Its not perfect and needs adjusting,”

Assembly/Installation5%

“Primer bulb was super stiff didnt figure it out until after it was installed”

Durability3%

“is so cheaply made that it started falling apart”

Ease Of Use2%

“start became a little more difficult”

Top return reasons

Functionality-Overall29%

Size-Overall21%

Defective Material/Parts12%

Leak-Proof11%

Advertised Vs Actual Product7%

Maintenance And Repair5%

Mechanism Issues4%

Metal Quality1%

Add-Ons/Attachments1%

Connectivity-Overall1%

Common questions

Is stihl fs90r carburetor profitable to sell on Amazon United States?: The niche generates $59K/yr across 7 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +120.1%. Flapen's verdict: Worth a look (55/100).
How competitive is the stihl fs90r carburetor niche?: 7 brands and 12 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in stihl fs90r carburetor?: Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Leak-Proof. The return rate is 1.1%.
When does demand for stihl fs90r carburetor peak?: Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 17.6× the quietest.
What does it cost to enter the stihl fs90r carburetor niche?: Listings span $12.62–$18.70; the average listing price is $15.90 (sweet spot $15–$100). The average incumbent carries 504 reviews — the moat a new listing must climb.