flex fuel sensor
Skip itA concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Review moat
Great185.64avg incumbent reviews — the moat a new listing must climb
Avg price
Great$62.55avg listing price — sweet spot $15–$100
Price range
Great$7.79–$108.67cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Returns
Good2.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+6.7%90-day search growth — must beat 0% to launch
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Market size
Bad$82K$82K/yr · 24K searches
Competition
Bad79%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, flex fuel sensor is a $82K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Apr–May. Verdict: Skip it — 43/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
flex fuel sensor market data
- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $78K–$94K
- units × avg price
- Conversion rate
- 5.4%
- Avg BSR
- #3,357
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 0.8%
- Avg brand age
- 40 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
29
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
8%
- GM GENUINE PARTS52%
- FUSCH14%
- Hoypeyfiy9%
- motoparty7%
- 40T PERFORMANCE6%
- AA Ignition5%
- Open — no brand owns it (3 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +6.7% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 1.5×
Top flex fuel sensor search terms
- flex fuel sensor16K/yr
- flex fuel sensor kit4K/yr
- gm flex fuel sensor4K/yr
Top flex fuel sensor 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GM Genuine Parts 13507128 Flex Fuel Sensor
GM GENUINE PARTS$61.154.7★489 rev
FUSCH E85 Flex Fuel Sensor with Connector Pigtail Compatible with GM Series Replace# 13507128
FUSCH$57.905.0★11 rev
Hoypeyfiy Flex Fuel Sensor Connector Replacement for GM E85 Flex Pigtail Plastic Fuel Composition Ethanol E85-2
Hoypeyfiy$7.794.6★401 rev
E85 Universal Flex Fuel Sensor Adapter Kit Bypass Module Solid Billet 6061 Aluminum Material 6AN 8AN Splitter
motoparty$68.923.7★17 rev
40T-Performance E85 Flex Fuel Sensor Mount/Bracket Bypass Module - Robust Mount for Full Flow from Your E85 Flex Fuel Sensor to Fuel Rails - Solid 6061 Billet - 6AN and 8AN Fittings Included
40T PERFORMANCE$108.674.6★73 rev
Newest
by launch date
E85 Flex Fuel Sensor with Connector Wiring Harness Compatible with Chevrolet Captiva Sport Equinox Silverado Suburban GMC Sierra Yukon Buick Lacrosse Replacement for 13507128 13577394
yeeluzan$46.142 rev
13507128 E85 Flex Fuel Sensor Fit for GM Series Replace 13577394 with Connector Pigtail
PWSLKO$49.951 rev
FUSCH E85 Flex Fuel Sensor with Connector Pigtail Compatible with GM Series Replace# 13507128
FUSCH$57.9011 rev
E85 Universal Flex Fuel Sensor Adapter Kit Bypass Module Solid Billet 6061 Aluminum Material 6AN 8AN Splitter
motoparty$68.9217 rev
GM Genuine Parts 13507129 Flex Fuel Sensor
GM GENUINE PARTS$81.7312 rev
Trending
90-day click momentumE85 Flex Fuel Sensor with Connector Wiring Harness Compatible with Chevrolet Captiva Sport Equinox Silverado Suburban GMC Sierra Yukon Buick Lacrosse Replacement for 13507128 13577394
yeeluzan$46.144.0★
13507128 E85 Flex Fuel Sensor Fit for GM Series Replace 13577394 with Connector Pigtail
PWSLKO$49.955.0★
Hoypeyfiy Flex Fuel Sensor Connector Replacement for GM E85 Flex Pigtail Plastic Fuel Composition Ethanol E85-2
Hoypeyfiy$7.794.6★
40T-Performance E85 Flex Fuel Sensor Mount/Bracket Bypass Module - Robust Mount for Full Flow from Your E85 Flex Fuel Sensor to Fuel Rails - Solid 6061 Billet - 6AN and 8AN Fittings Included
40T PERFORMANCE$108.674.6★
E85 Universal Flex Fuel Sensor Adapter Kit Bypass Module Solid Billet 6061 Aluminum Material 6AN 8AN Splitter
motoparty$68.923.7★
What buyers say about flex fuel sensor
What buyers praise and complain about, mined from review topics.What buyers love
“Great product”
“Fits great”
“Works like it should”
“My gas looked great and fresh”
“The connector was able to insert cleanly without leakage”
“The price was great for this”
“Easy install, just make sure you have the correct fuel line disconnect tool”
“Legit actually works thank you”
“the whole thing looks”
“Works perfectly, a little bulky”
What buyers complain about
“Sensor failure”
“Didnt last a year”
“this won't work”
“Apparently because it was used”
“Junk”
“Faulty design”
“A little bit cheaper than the motion raceworks one”
“The unit is very heavy -- unnecessarily heavy, I'd think”
“some additional deburring was needed to get the bolts in to clamp the two halves together”
Top return reasons
Common questions
- Is flex fuel sensor profitable to sell on Amazon United States?
- The niche generates $82K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Skip it (43/100).
- How competitive is the flex fuel sensor niche?
- 9 brands and 29 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in flex fuel sensor?
- Top complaints mined from reviews: Sensor, Durability, Functionality-Overall. The return rate is 2.9%.
- When does demand for flex fuel sensor peak?
- Demand peaks in Apr–May; the busiest month runs 1.5× the quietest.
- What does it cost to enter the flex fuel sensor niche?
- Listings span $7.79–$108.67; the average listing price is $62.55 (sweet spot $15–$100). The average incumbent carries 186 reviews — the moat a new listing must climb.