--- title: "5/16 fuel line — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/5-16-fuel-line" last_updated: "2026-07-10T20:06:06.626Z" locale: en meta: description: "a small market ($575K/yr) — 5/16 fuel line doesn't clear our bar today." "og:description": "a small market ($575K/yr) — 5/16 fuel line doesn't clear our bar today." "og:title": "5/16 fuel line — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen" --- Back to Flapen home # **5/16 fuel line** **Skip it****47/100 ** a small market ($575K/yr) — 5/16 fuel line doesn't clear our bar today. **Market/yr** **$575K** **Growth (1y)** **+140.1%** **Products** **14** **Brands** **10** was 13 a year ago **Sellers** **13** **Price range** **$6.64–$43.57** **Returns** **1.4%** **Rating** **4.6★** **Skip it** Scored 47/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **26** ×0.30 Growth **70** ×0.30 Competition **30** ×0.20 Quality gap **31** ×0.10 Returns **89** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +140.1% year over year. 6K3KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May · busiest ÷ quietest = 1.7× ## **Competition** - HOUSUN26% - dojobkinb26% - EVIL ENERGY12% - CMOOD11% - Eunice9% - ALLWIN8% - Other (4 brands)9% The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack. 10 brands and 13 sellers compete here. **Brands** **10 **▼falling was 13 a year ago **Sellers** **13** **Top 5 brand share** **83%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![5/16 Inch (8mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI for Automotive Fuel Systems Engines](https://m.media-amazon.com/images/I/41udFetfEHL.jpg) [**5/16 Inch (8mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI for Automotive Fuel Systems Engines**](https://www.amazon.com/dp/B09KRVK9M9) dojobkinb$10.614.6★5,52726%▼falling 2 ![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR with 10 Clamps.](https://m.media-amazon.com/images/I/5190K7vOo4L.jpg) [**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR with 10 Clamps.**](https://www.amazon.com/dp/B0CNC11L62) HOUSUN$11.234.6★1,79015%▲rising 3 ![5/16 ID Fuel Line Hose SAE 30R7 150 psi 25 Length Fuel Hose](https://m.media-amazon.com/images/I/415iXQ7ejdL.jpg) [**5/16 ID Fuel Line Hose SAE 30R7 150 psi 25 Length Fuel Hose**](https://www.amazon.com/dp/B09ZJ1W4WK) CMOOD$24.044.6★74511%▲rising 4 ![EVIL ENERGY 5/16 Fuel Hose Line Push Lock NBR Rubber SAE 30R7 10FT 300PSI](https://m.media-amazon.com/images/I/41fjx6XRrRL.jpg) [**EVIL ENERGY 5/16 Fuel Hose Line Push Lock NBR Rubber SAE 30R7 10FT 300PSI**](https://www.amazon.com/dp/B097HDNLRM) EVIL ENERGY$22.784.8★2,32510%▲rising 5 ![5/16 Inch (8mm) ID Fuel Line Hose 10 FT 302PSI Push Lock NBR Rubber Hose for Automotive](https://m.media-amazon.com/images/I/31SpILkGi3L.jpg) [**5/16 Inch (8mm) ID Fuel Line Hose 10 FT 302PSI Push Lock NBR Rubber Hose for Automotive**](https://www.amazon.com/dp/B09MTGFWKN) Eunice$9.054.6★1,8379%▲rising 6 ![5/16 Inch ID Fuel Line Hose - 10FT Marine Grade Fuel Line with 10PCS Hose Clamps 300PSI High-Pressure Fuel Line for Automotive Fuel Systems Engines (5/16 ID-10Ft)](https://m.media-amazon.com/images/I/41zmfrX1HWL.jpg) [**5/16 Inch ID Fuel Line Hose - 10FT Marine Grade Fuel Line with 10PCS Hose Clamps 300PSI High-Pressure Fuel Line for Automotive Fuel Systems Engines (5/16 ID-10Ft)**](https://www.amazon.com/dp/B0D97W75HT) ALLWIN$10.974.5★7008%▼falling 7 ![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR for Automotive Fuel Systems Engines.](https://m.media-amazon.com/images/I/41GGBhsArOL.jpg) [**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR for Automotive Fuel Systems Engines.**](https://www.amazon.com/dp/B0CFYN9YG8) HOUSUN$9.264.6★1,7906%▼falling 8 ![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 5FT J30R7 Fuel Line Hose NBR.](https://m.media-amazon.com/images/I/41GGBhsArOL.jpg) [**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 5FT J30R7 Fuel Line Hose NBR.**](https://www.amazon.com/dp/B0CS2786TR) HOUSUN$6.644.6★1,7903%▲rising 9 ![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 5FT J30R7 Fuel Line Hose NBR with 4 Clamps.](https://m.media-amazon.com/images/I/41tyVrqblfL.jpg) [**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 5FT J30R7 Fuel Line Hose NBR with 4 Clamps.**](https://www.amazon.com/dp/B0CRZCP3CJ) HOUSUN$7.964.6★1,7903%▲rising 10 ![ZONBANG 5/16 Fuel Line NBR Rubber 5/16 Fuel Hose Nylon Braided Fuel Line Hose for Automotive Vehicles(5FT)](https://m.media-amazon.com/images/I/41eh3pO9lkL.jpg) [**ZONBANG 5/16 Fuel Line NBR Rubber 5/16 Fuel Hose Nylon Braided Fuel Line Hose for Automotive Vehicles(5FT)**](https://www.amazon.com/dp/B0DN6GTLFZ) ZONBANG$6.774.6★3243%—flat 11 ![mycheng 5/16 Fuel Line NBR Rubber SAE 30R7 25FT 300PSI Hose](https://m.media-amazon.com/images/I/41e7GO7MaiL.jpg) [**mycheng 5/16 Fuel Line NBR Rubber SAE 30R7 25FT 300PSI Hose**](https://www.amazon.com/dp/B0F1CJGCM9) mycheng$29.514.4★192%▲rising 12 ![5/16 Inch ID NBR Rubber Hose 10 Feet Fuel Hose Line Transfer Hose for Small Engine Black](https://m.media-amazon.com/images/I/31qH3SDtEtL.jpg) [**5/16 Inch ID NBR Rubber Hose 10 Feet Fuel Hose Line Transfer Hose for Small Engine Black**](https://www.amazon.com/dp/B0B7QR6GVX) Storystore$9.724.5★4132%—flat 13 ![EVIL ENERGY 5/16 Fuel Hose Line Push Lock NBR Rubber SAE 30R7 25FT 300PSI](https://m.media-amazon.com/images/I/41nPsSWNYJL.jpg) [**EVIL ENERGY 5/16 Fuel Hose Line Push Lock NBR Rubber SAE 30R7 25FT 300PSI**](https://www.amazon.com/dp/B09VNPTYQX) EVIL ENERGY$43.574.8★4122%—flat 14 ![Jeemiter 5/16 ID Fuel Line Hose Kit - 25FT Professional Grade NBR Rubber with 10 Clamps - SAE 30R7 Replacement for Gas Oil Diesel in Cars Trucks Boats Lawn Mowers](https://m.media-amazon.com/images/I/512o5RhlAHL.jpg) [**Jeemiter 5/16 ID Fuel Line Hose Kit - 25FT Professional Grade NBR Rubber with 10 Clamps - SAE 30R7 Replacement for Gas Oil Diesel in Cars Trucks Boats Lawn Mowers**](https://www.amazon.com/dp/B0CD3W57QM) Jeemiter$29.854.5★5371%—flat ## **Product shelf** All 14 tracked products in this niche. Top sellersNewestTrending [![5/16 Inch (8mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI for Automotive Fuel Systems Engines](https://m.media-amazon.com/images/I/41udFetfEHL.jpg)**5/16 Inch (8mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI for Automotive Fuel Systems Engines** dojobkinb**$10.61**4.6★5,527 reviews](https://www.amazon.com/dp/B09KRVK9M9) [![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR with 10 Clamps.](https://m.media-amazon.com/images/I/5190K7vOo4L.jpg)**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR with 10 Clamps.** HOUSUN**$11.23**4.6★1,790 reviews](https://www.amazon.com/dp/B0CNC11L62) [![5/16 ID Fuel Line Hose SAE 30R7 150 psi 25 Length Fuel Hose](https://m.media-amazon.com/images/I/415iXQ7ejdL.jpg)**5/16 ID Fuel Line Hose SAE 30R7 150 psi 25 Length Fuel Hose** CMOOD**$24.04**4.6★745 reviews](https://www.amazon.com/dp/B09ZJ1W4WK) [![EVIL ENERGY 5/16 Fuel Hose Line Push Lock NBR Rubber SAE 30R7 10FT 300PSI](https://m.media-amazon.com/images/I/41fjx6XRrRL.jpg)**EVIL ENERGY 5/16 Fuel Hose Line Push Lock NBR Rubber SAE 30R7 10FT 300PSI** EVIL ENERGY**$22.78**4.8★2,325 reviews](https://www.amazon.com/dp/B097HDNLRM) [![5/16 Inch (8mm) ID Fuel Line Hose 10 FT 302PSI Push Lock NBR Rubber Hose for Automotive](https://m.media-amazon.com/images/I/31SpILkGi3L.jpg)**5/16 Inch (8mm) ID Fuel Line Hose 10 FT 302PSI Push Lock NBR Rubber Hose for Automotive** Eunice**$9.05**4.6★1,837 reviews](https://www.amazon.com/dp/B09MTGFWKN) [![5/16 Inch ID Fuel Line Hose - 10FT Marine Grade Fuel Line with 10PCS Hose Clamps 300PSI High-Pressure Fuel Line for Automotive Fuel Systems Engines (5/16 ID-10Ft)](https://m.media-amazon.com/images/I/41zmfrX1HWL.jpg)**5/16 Inch ID Fuel Line Hose - 10FT Marine Grade Fuel Line with 10PCS Hose Clamps 300PSI High-Pressure Fuel Line for Automotive Fuel Systems Engines (5/16 ID-10Ft)** ALLWIN**$10.97**4.5★700 reviews](https://www.amazon.com/dp/B0D97W75HT) [![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR for Automotive Fuel Systems Engines.](https://m.media-amazon.com/images/I/41GGBhsArOL.jpg)**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 10FT J30R7 Fuel Line Hose NBR for Automotive Fuel Systems Engines.** HOUSUN**$9.26**4.6★1,790 reviews](https://www.amazon.com/dp/B0CFYN9YG8) [![HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 5FT J30R7 Fuel Line Hose NBR.](https://m.media-amazon.com/images/I/41GGBhsArOL.jpg)**HOUSUN Fuel Line 5/16 Inch ID Fuel Hose 5FT J30R7 Fuel Line Hose NBR.** HOUSUN**$6.64**4.6★1,790 reviews](https://www.amazon.com/dp/B0CS2786TR) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**32% *“Looks like good quality fuel line”* **Fuel Efficiency**18% *“***They do the trick*** Good fuel line”* **Value For Money**16% *“Great value”* **Advertised Vs Actual Product**11% *“As Advertised”* **Size-Overall**8% *“fits up nicely with new clamps”* **Efficiency**5% *“Works fine”* **Flexibility**4% *“Decent quality, very flexible”* **Motor Power**2% *“Worked great, added a second fuel line to rv generator”* **Leak-Proof**2% *“Hose worked as designed regarding no leaks”* **Durability**1% *“it has held up for 2 years”* ### **What buyers complain about ** **Durability**26% *“Ruptured in a week”* **Quality-Overall**15% *“garbage danger”* **Leak-Proof**13% *“Became brittle and leaks after short time”* **Pressure**9% *“Did not hold the pressure”* **Adhesion/Stickiness**5% *“clamps are trash”* **Mounting**4% *“Wrong size clamps”* **Size-Overall**4% *“Wrong size clamps”* **Advertised Vs Actual Product**4% *“Mismarked”* **Value For Money**3% *“expensive”* **Fuel Efficiency**3% *“This fuel line is terrible”* #### **Top return reasons**- Size-Overall67% - Compatibility-Overall4% - Quality-Overall3% - Advertised Vs Actual Product3% - Certifications3% - Pressure3% - Fuel Efficiency2% - Defective Material/Parts2% - Functionality-Overall2% - Thickness2%