inline fuel filter
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 6% kills the launch gate
Price range
Great$5.96–$49.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Brand share
Great59%top-5 brand share — no brand owns this niche
Avg price
Great$14.95avg listing price — sweet spot $15–$100
Review moat
Good553avg incumbent reviews — the moat a new listing must climb
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Growth
Okay+19.6%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$164K$164K/yr · 153K searches
Competition
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
23 falling
Sellers
70
Top-5 brand share
59%
Open market
34%
- Wix17%
- K&N13%
- CocoMocart13%
- Snwoygr9%
- Deflife7%
- Strongthium7%
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 33 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
K&N 81-0300 Replacement Fuel Filter
K&N$9.214.5★3,954 rev
CocoMocart 10 Pack 1/4 Inch Inline Fuel Filter for Kawasaki Briggs & Stratton Kohler Engines - Universal Replacement Gasoline Filters with Magnet 1/4 and 5/16 For John Deere
CocoMocart$9.954.4★2,127 rev
Snwoygr 10 PCS Gas Inline Fuel Filters with Magnet for Kawasaki Kohler John Deere Lawn Mower Small Engine Third Generation Universal Replacement Fuel Filter for 1/4 IN and 5/16 IN
Snwoygr$6.814.4★612 rev
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
Newest
by launch date
3/16 Fuel Line Gas Filter Kits 5mm Fuel Hose Inline Fuel Filters Shut Off Valve Petcock Petrol Switch Set for Go Kart ATV Motorcycle Pitbike Scooter Moped Quad Buggy Parts (Orange)
CocoMocart$10.9330 rev
ATMOAUS Universal 1/4 Fuel Line Kit 3.3 Feet with 2 Magnetic Inline Fuel Filters 8 Hose Clamps for Small Engines
ATMOAUS$10.0251 rev
TRHSIFF 10 PCS 1/4 Inch and 5/16 Inch Gas Inline Fuel Filters with Magnet for Kawasaki Kohler John Deere Lawn Mower Small Engine Upgrade Universal Replacement Fuel Filter with 10 Clips
TRHSIFF$7.3196 rev
EVIL ENERGY 3/8 Barb Billet Inline Fuel Filter 30 Micron Aluminum Black for Car EFI & Carb Fuel Systems Motorcycle and Boats
EVIL ENERGY$19.77107 rev
Inline Fuel Filter for Lawn Mower Small Engine Kohler John Deere Kawasaki - Gas Filter Replacement with High Flow Design (12-Pack)
WYTUDTE$8.33103 rev
Trending
90-day click momentum
AM116304 Fuel Filter 25 050 22-S for John Deere Kohler 120-436 GY20709 For 1/4 and 5/16 Fuel Line Replaces 71-5960 120-436 GY20709 38666 149-2206-01 21541500 98021
ASSOTS$6.224.6★
3/16 Fuel Line Gas Filter Kits 5mm Fuel Hose Inline Fuel Filters Shut Off Valve Petcock Petrol Switch Set for Go Kart ATV Motorcycle Pitbike Scooter Moped Quad Buggy Parts (Orange)
CocoMocart$10.934.4★
TRHSIFF 10 PCS 1/4 Inch and 5/16 Inch Gas Inline Fuel Filters with Magnet for Kawasaki Kohler John Deere Lawn Mower Small Engine Upgrade Universal Replacement Fuel Filter with 10 Clips
TRHSIFF$7.314.4★
FUEL FILTERS INDUSTRIAL HIGH PERFORMANCE UNIVERSAL INLINE GAS FUEL LINE 3/8 2 Pack
Deflife$9.514.5★
Quicksilver 879885Q Inline Fuel Filter for Mercury and Mariner Outboards
Quicksilver$15.484.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +19.6% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great filter”
“This kit is high quality”
“Good Price”
“As advertised”
“Perfect fit and exactly as described”
“Keep your fuel clean”
“The clear filter helps keep an eye on debris”
“It looks GREAT when initially installed”
“Didnt leak,”
“I like that this comes with the mount”
What buyers complain about
“Filter are junk”
“They leak”
“no quality control”
“They're a bit smaller than I expected”
“Do not last”
“This will not flow enough fuel for automotive applications”
“This hose feels like a different kind of material”
“They are spendy for what it is”
“Some of these filters either leak or are clogged”
“Not what I was looking for”