---
title: "6an Fuel Line — $230K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/6an-fuel-line"
last_updated: "2026-08-09T11:28:48.997Z"
locale: en
meta:
description: "Niche score 47/100 · $230K/yr market · 71K searches/yr · $64.50 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $230K/yr market · 71K searches/yr · $64.50 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "6an Fuel Line — $230K/yr Amazon US Niche (2026) - Flapen"
---
# **6an fuel line**
**Skip it**
Brand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Market size 44Growth 37Conversion 59Competition 35Returns 69Price range 83Avg price 88Brand share 4Review moat 80Quality gap 37
**Avg price**
**Great****$64.50**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.61–$112.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****403.47**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$230K**
$230K/yr · 71K searches
**Growth**
**Okay****+9.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 6an fuel line is a $230K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 47/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **6an fuel line market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$194K–$258K**
- units × avg price
- **Conversion rate**
- **5.0%**
- **Avg BSR**
- **#768**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **200 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**0%**
- EVIL ENERGY85% - Medoon8% - Piodelo2% - POHIR2% - ZHSYMX2% - CNRAQR1%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.8% search growth over the last 90 days.
2K1KSpike '24Holiday '24 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/automotive/6an-fuel-line/trend)
## **Top 6an fuel line search terms**
- **ptfe fuel line**20K/yr+14.0%1.8% conv. - **6an ptfe hose**10K/yr+41.5%7.8% conv. - **ls swap fuel line kit**11K/yr-16.2%2.3% conv. - **6an ptfe**7K/yr-2.4%7.3% conv. - **ptfe hose**7K/yr+26.4%1.1% conv. - **6an ptfe fuel line kit**6K/yr+32.0%6.5% conv. - **e85 fuel line**5K/yr+8.2%0.9% conv. - **ls fuel line kit**5K/yr-29.1%2.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/6an-fuel-line/search-terms)
## **Top 6an fuel line 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.
0%10%$23K20%$46K30%$69K40%$92K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EVIL ENERGY 6AN PTFE Fuel Line Kit E85 Nylon Braided Fuel Hose 20FT AN6 PTFE Fuel Line Hose(5/16 Inch ID)**EVIL ENERGY**$83.02**4.8★526 rev](https://www.amazon.com/dp/B0922M63H8) [2**EVIL ENERGY 6AN PTFE Fuel Line Kit AN6 E85 Fuel Hose Line 10FT Black**EVIL ENERGY**$56.11**4.6★735 rev](https://www.amazon.com/dp/B07JFPXHB2) [3**EVIL ENERGY 6AN PTFE Fuel Hose Line AN6 Fuel Line E85 Nylon Braided 10FT Black 5/16 Inch ID**EVIL ENERGY**$31.20**4.7★939 rev](https://www.amazon.com/dp/B083VTM7PW) [4**Medoon 6AN PTFE Fuel Line Kit Nylon Stainless Steel Braided Fuel Hose LS Swap EFI E85 Injection Fuel PTFE Fitting 3/8 26FT**Medoon**$79.02**4.5★264 rev](https://www.amazon.com/dp/B0BY1Y1L38) [5**EVIL ENERGY 6AN Fuel Line Kit with LS Swap Fuel Filter Regulator 58PSI 6AN CPE Hose Braided Fuel Line Fitting Kit 20FT**EVIL ENERGY**$92.24**4.5★73 rev](https://www.amazon.com/dp/B0D83MN7F8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CNARQR 6AN Fuel Line & 58PSI LS Swap Fuel Filter Regulator & Oil Pressure Gauge 100PSI Kit LS Swap EFI Fuel Injection Hose Line Fitting 6AN CPE Hose Braided Fuel Line Fitting Kit 20FT**CNRAQR**$87.87**6 rev8mo ago](https://www.amazon.com/dp/B0FZR7BDPF) [**6AN PTFE Fuel Hose Line 10FT 1885PSI AN6 Fuel Feed Hose 5/16 Inch ID Nylon with Stainless Steel Braided for E85 Gasoline Biodiesel Diesel**POHIR**$12.61**15 rev10mo ago](https://www.amazon.com/dp/B0FND84M3V) [**EVIL ENERGY Conductive 6AN PTFE Fuel Line Hose Antistatic E85 Compatible PTFE Fuel Hose 10FT AN6 Nylon Braided Hose with 5/16 ID**EVIL ENERGY**$35.72**25 rev1y ago](https://www.amazon.com/dp/B0F7LMGT5X) [**EVIL ENERGY 6AN Fuel Line Kit with LS Swap Fuel Filter Regulator 58PSI 6AN CPE Hose Braided Fuel Line Fitting Kit 20FT**EVIL ENERGY**$92.24**73 rev1y ago](https://www.amazon.com/dp/B0D83MN7F8) [**EVIL ENERGY 6AN PTFE Fuel Line Kit AN6 E85 Fuel Hose kit 10FT Black**EVIL ENERGY**$40.78**30 rev2y ago](https://www.amazon.com/dp/B0D86RW45T)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**6AN PTFE Fuel Hose Line 10FT 1885PSI AN6 Fuel Feed Hose 5/16 Inch ID Nylon with Stainless Steel Braided for E85 Gasoline Biodiesel Diesel**POHIR**$12.61**3.3★**▲ 156%**](https://www.amazon.com/dp/B0FND84M3V) [**CNARQR 6AN Fuel Line & 58PSI LS Swap Fuel Filter Regulator & Oil Pressure Gauge 100PSI Kit LS Swap EFI Fuel Injection Hose Line Fitting 6AN CPE Hose Braided Fuel Line Fitting Kit 20FT**CNRAQR**$87.87**3.9★**▲ 128%**](https://www.amazon.com/dp/B0FZR7BDPF) [**EVIL ENERGY 5/16 High Pressure Fuel Line Hose 5FT 500 PSI E85 for Fuel Systems Engines NBR Rubber EN854-1TE Black**EVIL ENERGY**$18.68**4.7★**▲ 96%**](https://www.amazon.com/dp/B0CNT92XZS) [**EVIL ENERGY Conductive 6AN PTFE Fuel Line Hose Antistatic E85 Compatible PTFE Fuel Hose 10FT AN6 Nylon Braided Hose with 5/16 ID**EVIL ENERGY**$35.72**4.6★**▲ 59%**](https://www.amazon.com/dp/B0F7LMGT5X) [**EVIL ENERGY 8AN PTFE Fuel Line Kit E85 Nylon Braided Fuel Hose 20FT AN8 PTFE Fuel Line Hose(12/32 Inch ID)**EVIL ENERGY**$102.21**4.8★**▲ 53%**](https://www.amazon.com/dp/B0922KVTWC)
**~~View all trending →~~**
## **What buyers say about 6an fuel line**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**38%
*“Excellent product”*
**Value For Money**11%
*“Super great and affordable kit”*
**Leak-Proof**8%
*“This fuel line is holding up where I've had leaks”*
**Efficiency**8%
*“Chev c10 short bed worked perfectly”*
**Ease Of Use**6%
*“Easy to use”*
**Assembly/Installation**5%
*“Easy to assemble”*
**Advertised Vs Actual Product**5%
*“works as expected”*
**Fuel Efficiency**4%
*“GOOD FUEL LINES AND FITTINGS EASY TO INSTALL HOSE FITTINGS WITH NO LEAKSN”*
**Pressure**3%
*“Great kit for building high pressure power steering lines”*
**Mounting**2%
*“Easy to cut and mount”*
### **What buyers complain about **
**Quality-Overall**28%
*“Poor product”*
**Leak-Proof**21%
*“Leaked all my fuel to the ground while driving”*
**Assembly/Installation**13%
*“Haven't installed it yet”*
**Value For Money**7%
*“A little expensive”*
**Pressure**4%
*“It stopped holding the output fitting”*
**Thickness**3%
*“it was thinner than other ptfe braided fuel line I have used in the past”*
**Smell**3%
*“i started smelling gas”*
**Size-Overall**2%
*“NOT your standard AN fitting or hose”*
**Ease Of Use**2%
**Instructions/User Manual/Troubleshooting**2%
*“instructions appear to be poorly translated Chinese to English”*
### **Top return reasons **
**Size-Overall**57%
**Compatibility-Overall**10%
**Advertised Vs Actual Product**4%
**Leak-Proof**4%
**Value For Money**3%
**Quality-Overall**3%
**Defective Material/Parts**3%
**Assembly/Installation**3%
**Material Quality**2%
**Functionality-Overall**2%
## **Common questions**
- **Is 6an fuel line profitable to sell on Amazon United States?**
- The niche generates $230K/yr across 19 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +9.8%. Flapen's verdict: Skip it (47/100).
- **How competitive is the 6an fuel line niche?**
- 6 brands and 11 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in 6an fuel line?**
- Top complaints mined from reviews: Quality-Overall, Leak-Proof, Assembly/Installation. The return rate is 2.3%.
- **When does demand for 6an fuel line peak?**
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- **What does it cost to enter the 6an fuel line niche?**
- Listings span $12.61–$112.32; the average listing price is $64.50 (sweet spot $15–$100). The average incumbent carries 403 reviews — the moat a new listing must climb.
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