3/8 fuel filter
Worth a lookShows searches that convert (10.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Returns
Great1.6%return rate — above 6% kills the launch gate
Review moat
Great425.77avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Great$6.28–$45.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$15.01avg listing price — sweet spot $15–$100
Brand share
Good63%top-5 brand share — brands hold most of the demand
Growth
Good+36.9%90-day search growth — must beat 0% to launch
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Market size
Okay$145K$145K/yr · 96K searches
Competition
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
53
Top-5 brand share
63%
Open market
32%
- Wix27%
- Deflife12%
- The Revenant12%
- K&N7%
- Riyhch5%
- EVIL ENERGY5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 26 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WIX Racing Filters Fuel Filter
Wix$6.284.7★1,244 rev
WIX 33033 Universal In-Line Fuel Filter with 3/8 Clamp-On Inlet/Outlet Max Pressure 60-PSI
Wix$7.314.8★1,477 rev
FUEL FILTERS INDUSTRIAL HIGH PERFORMANCE UNIVERSAL INLINE GAS FUEL LINE 3/8 2 Pack
Deflife$9.514.5★225 rev
Universal Replacement Gas Inline Fuel Filters for Motorcycles Cars Trucks And Gasoline Powered Engines 3/8 Inch (Pack of 4)
The Revenant$9.874.4★1,402 rev
K&N 81-0300 Replacement Fuel Filter
K&N$9.214.5★3,954 rev
Newest
by launch date
3/8Inch (10MM) ID Fuel Line kits 5Pcs Gas Inline Fuel Filter Fits 3/8inch Fuel Line Universal 3/8 Clear Fuel Filter for Motorcycles ATV Lawn Mowers Small Tractors Garden Tillers
JinRui-T$12.478 rev
3/8Inch (10MM) ID Fuel Line kits 6Ft Fuel Line&2Pcs Gas Inline Fuel Filter Fits 3/8inch&4 Pcs Mini Adjustable Fuel Hose Clamps for Motorcycles ATV Lawn Mowers Small Tractors Garden Tillers
JinRui-T$15.579 rev
CNRAQR 3/8Fuel Filters 178 Micron Removable Black Anodized Aluminum
CNRAQR$10.1799 rev
JAVOUKA 10 Pack Fuel Filter 3/8 Universal Inline Gas Fuel Filters Fit for Cars Motorcycles Industrial Tractors Trucks RVs Gas Powered Engine
JAVOUKA$19.2516 rev
BESULEN 3/8 Inch Gas Inline Fuel Filters 4PCS Vehicle Gasoline Powered Engines Fuel Filters Replacement Automotive Engines Accessories Universal for Motorcycles Cars Trucks
BESULEN$7.5617 rev
Trending
90-day click momentum3/8Inch (10MM) ID Fuel Line kits 6Ft Fuel Line&2Pcs Gas Inline Fuel Filter Fits 3/8inch&4 Pcs Mini Adjustable Fuel Hose Clamps for Motorcycles ATV Lawn Mowers Small Tractors Garden Tillers
JinRui-T$15.574.3★
3/8Inch (10MM) ID Fuel Line kits 5Pcs Gas Inline Fuel Filter Fits 3/8inch Fuel Line Universal 3/8 Clear Fuel Filter for Motorcycles ATV Lawn Mowers Small Tractors Garden Tillers
JinRui-T$12.473.2★
JAVOUKA 10 Pack Fuel Filter 3/8 Universal Inline Gas Fuel Filters Fit for Cars Motorcycles Industrial Tractors Trucks RVs Gas Powered Engine
JAVOUKA$19.253.6★
3/8 inch Universal Gas Inline Fuel Filters Fits Fuel Line and Widely Used for Replacing Fuel Filter of Cars Motorcycles Trucks And Gasoline Powered Engines
DYNAM BOVINE,$8.273.7★
3/8 Universal Fuel Filters Industrial Tractors Cars Trucks Motorcycles Gas Powered Engine Inline Gas Fuel Line 5 Pack
SEEBOO$11.154.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +36.9% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 1.9×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Nice filters for the price”
“Good quality”
“Worth the money”
“Works as advertised”
“Fit well”
“Fuel flow seems adequate”
“Easy install”
“Didnt leak,”
“Good functioning”
“Nicely constructed”
What buyers complain about
“In turn there is zero filtration”
“Quality control is lacking”
“Falling apart”
“sent clamps that were to small”
“they leak”
“Make sure you double check your measurements this is a tiny fuel filter not for my motorhome”
“Absolutely NOT as advertised”
“Caught rust”
“Maybe the quality of rubber was low”
“so I don't know how bad the pressure side would have leaked at 6 psi”