---
title: "3/8 fuel filter — Niche Verdict: Worth a look (64/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/3-8-fuel-filter"
last_updated: "2026-07-13T21:43:11.663Z"
locale: en
meta:
  description: "3/8 fuel filter shows searches that convert (10.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "3/8 fuel filter shows searches that convert (10.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "3/8 fuel filter — Niche Verdict: Worth a look (64/100) | Amazon United States - Flapen"
---

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# **3/8 fuel filter**

**Worth a look**

Shows searches that convert (10.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 31Growth 61Conversion 87Competition 46Returns 84Price range 77Avg price 75Brand share 71Review moat 79Quality gap 77

**Conversion**

**Great****10.0%**

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

**Returns**

**Great****1.6%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****425.77**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Great****$6.28–$45.35**

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

**Avg price**

**Great****$15.01**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****63%**

top-5 brand share — brands hold most of the demand

**Growth**

**Good****+36.9%**

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

**Competition**

**Okay****57%**

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.

0%4%$6K8%$12K12%$17K16%$23K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 26 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![WIX Racing Filters Fuel Filter](https://m.media-amazon.com/images/I/31Lbqmj5h9L.jpg)**WIX Racing Filters Fuel Filter**Wix**$6.28**4.7★1,244 rev](https://www.amazon.com/dp/B000CSEUPG) [2![WIX 33033 Universal In-Line Fuel Filter with 3/8 Clamp-On Inlet/Outlet Max Pressure 60-PSI](https://m.media-amazon.com/images/I/312wdEaXbkL.jpg)**WIX 33033 Universal In-Line Fuel Filter with 3/8 Clamp-On Inlet/Outlet Max Pressure 60-PSI**Wix**$7.31**4.8★1,477 rev](https://www.amazon.com/dp/B000C9WJ8U) [3![FUEL FILTERS INDUSTRIAL HIGH PERFORMANCE UNIVERSAL INLINE GAS FUEL LINE 3/8 2 Pack](https://m.media-amazon.com/images/I/31eBQdNeYaL.jpg)**FUEL FILTERS INDUSTRIAL HIGH PERFORMANCE UNIVERSAL INLINE GAS FUEL LINE 3/8 2 Pack**Deflife**$9.51**4.5★225 rev](https://www.amazon.com/dp/B0CZLKX3YF) [4![Universal Replacement Gas Inline Fuel Filters for Motorcycles Cars Trucks And Gasoline Powered Engines 3/8 Inch (Pack of 4)](https://m.media-amazon.com/images/I/41bCcJ52mRL.jpg)**Universal Replacement Gas Inline Fuel Filters for Motorcycles Cars Trucks And Gasoline Powered Engines 3/8 Inch (Pack of 4)**The Revenant**$9.87**4.4★1,402 rev](https://www.amazon.com/dp/B0F94CZJ2D) [5![K&N 81-0300 Replacement Fuel Filter](https://m.media-amazon.com/images/I/31SH-DGRZgL.jpg)**K&N 81-0300 Replacement Fuel Filter**K&N**$9.21**4.5★3,954 rev](https://www.amazon.com/dp/B07X64ZN5H)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/417iXZTSnEL.jpg)**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**$12.47**8 rev5mo ago](https://www.amazon.com/dp/B0GK94WX73) [![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](https://m.media-amazon.com/images/I/41qKz26UcvL.jpg)**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**$15.57**9 rev5mo ago](https://www.amazon.com/dp/B0GK972W5D) [![CNRAQR 3/8Fuel Filters 178 Micron Removable Black Anodized Aluminum](https://m.media-amazon.com/images/I/31f8qb-MWkL.jpg)**CNRAQR 3/8Fuel Filters 178 Micron Removable Black Anodized Aluminum**CNRAQR**$10.17**99 rev8mo ago](https://www.amazon.com/dp/B0FXK4J85B) [![JAVOUKA 10 Pack Fuel Filter 3/8 Universal Inline Gas Fuel Filters Fit for Cars Motorcycles Industrial Tractors Trucks RVs Gas Powered Engine](https://m.media-amazon.com/images/I/41+h6sU-4VL.jpg)**JAVOUKA 10 Pack Fuel Filter 3/8 Universal Inline Gas Fuel Filters Fit for Cars Motorcycles Industrial Tractors Trucks RVs Gas Powered Engine**JAVOUKA**$19.25**16 rev11mo ago](https://www.amazon.com/dp/B0FM7FZRZX) [![BESULEN 3/8 Inch Gas Inline Fuel Filters 4PCS Vehicle Gasoline Powered Engines Fuel Filters Replacement Automotive Engines Accessories Universal for Motorcycles Cars Trucks](https://m.media-amazon.com/images/I/31tw0TUVviL.jpg)**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**$7.56**17 rev11mo ago](https://www.amazon.com/dp/B0FLN482TY)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/41qKz26UcvL.jpg)**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**$15.57**4.3★**▲ 227%**](https://www.amazon.com/dp/B0GK972W5D) [![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](https://m.media-amazon.com/images/I/417iXZTSnEL.jpg)**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**$12.47**3.2★**▲ 208%**](https://www.amazon.com/dp/B0GK94WX73) [![JAVOUKA 10 Pack Fuel Filter 3/8 Universal Inline Gas Fuel Filters Fit for Cars Motorcycles Industrial Tractors Trucks RVs Gas Powered Engine](https://m.media-amazon.com/images/I/41+h6sU-4VL.jpg)**JAVOUKA 10 Pack Fuel Filter 3/8 Universal Inline Gas Fuel Filters Fit for Cars Motorcycles Industrial Tractors Trucks RVs Gas Powered Engine**JAVOUKA**$19.25**3.6★**▲ 95%**](https://www.amazon.com/dp/B0FM7FZRZX) [![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](https://m.media-amazon.com/images/I/31DgCo1PRIL.jpg)**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,**$8.27**3.7★**▲ 89%**](https://www.amazon.com/dp/B0F6YSNK2J) [![3/8 Universal Fuel Filters Industrial Tractors Cars Trucks Motorcycles Gas Powered Engine Inline Gas Fuel Line 5 Pack](https://m.media-amazon.com/images/I/41aNuJmh9OL.jpg)**3/8 Universal Fuel Filters Industrial Tractors Cars Trucks Motorcycles Gas Powered Engine Inline Gas Fuel Line 5 Pack**SEEBOO**$11.15**4.0★**▲ 67%**](https://www.amazon.com/dp/B09S3HXH6G)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +36.9% search growth over the last 90 days.

3K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.9×

## **Reviews**

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

### **What buyers love **

**Filtration**23%

*“Nice filters for the price”*

**Quality-Overall**19%

*“Good quality”*

**Value For Money**10%

*“Worth the money”*

**Advertised Vs Actual Product**9%

*“Works as advertised”*

**Size-Overall**9%

*“Fit well”*

**Fuel Efficiency**7%

*“Fuel flow seems adequate”*

**Assembly/Installation**4%

*“Easy install”*

**Leak-Proof**2%

*“Didnt leak,”*

**Efficiency**2%

*“Good functioning”*

**Design-Overall**2%

*“Nicely constructed”*

### **What buyers complain about **

**Filtration**18%

*“In turn there is zero filtration”*

**Quality-Overall**11%

*“Quality control is lacking”*

**Durability**11%

*“Falling apart”*

**Size-Overall**10%

*“sent clamps that were to small”*

**Leak-Proof**10%

*“they leak”*

**Fuel Efficiency**8%

*“Make sure you double check your measurements this is a tiny fuel filter not for my motorhome”*

**Advertised Vs Actual Product**3%

*“Absolutely NOT as advertised”*

**Rusts/Corrodes**2%

*“Caught rust”*

**Rubber Quality**2%

*“Maybe the quality of rubber was low”*

**Pressure**1%

*“so I don't know how bad the pressure side would have leaked at 6 psi”*

### **Top return reasons **

**Size-Overall**70%

**Filtration**10%

**Compatibility-Overall**6%

**Advertised Vs Actual Product**3%

**Leak-Proof**2%

**Functionality-Overall**1%

**Assembly/Installation**1%

**Fuel Efficiency**1%

**Defective Material/Parts**1%

**Material Quality**1%