---
title: "fass fuel system — Niche Verdict: Skip it (36/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/fass-fuel-system"
last_updated: "2026-07-14T05:57:42.875Z"
locale: en
meta:
  description: "pricing outside the sweet spot ($512.35 avg) — fass fuel system doesn't clear our bar today."
  "og:description": "pricing outside the sweet spot ($512.35 avg) — fass fuel system doesn't clear our bar today."
  "og:title": "fass fuel system — Niche Verdict: Skip it (36/100) | Amazon United States - Flapen"
---

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# **fass fuel system**

**Skip it**

Pricing outside the sweet spot ($512.35 avg) — this niche doesn't clear our bar today.

Market size 28Growth 24Conversion 4Competition 46Returns 90Price range 8Avg price 0Brand share 8Review moat 99Quality gap 60

**Review moat**

**Incredible****16.52**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****1.2%**

return rate — above 6% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****57%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****$122K**

$122K/yr · 77K searches

**Growth**

**Bad****-1.2%**

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

**Brand share**

**Bad****97%**

top-5 brand share — brand-locked demand

**Price range**

**Bad****$42.32–$743.89**

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

**Conversion**

**Bad****0.3%**

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

**Avg price**

**Bad****$512.35**

avg listing price — sweet spot $15–$100

## **Competition**

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**7 **▼falling

**Sellers**

**34**

**Top-5 brand share**

**97%**

**Open market**

**1%**

- FASS78% - Flynsu10% - Orceed4% - GELUOXI3% - KAX3% - Hututimo2% - Open — no brand owns it (1 brand, 1%)

## **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%5%$6K10%$12K15%$18K20%$24K110100 Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 25 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![FASS TSC10100G Titanium Signature Series 100GPH Diesel Fuel System fits GM 6.6L Duramax 2001-2010](https://m.media-amazon.com/images/I/4129a2GpH5L.jpg)**FASS TSC10100G Titanium Signature Series 100GPH Diesel Fuel System fits GM 6.6L Duramax 2001-2010**FASS**$674.30**4.6★45 rev](https://www.amazon.com/dp/B0B75QDX9P) [2![FASS TSC10165G Titanium Signature Series Diesel Fuel Lift Pump 165GPH fits GM Duramax 6.6L 2001-2010](https://m.media-amazon.com/images/I/4129a2GpH5L.jpg)**FASS TSC10165G Titanium Signature Series Diesel Fuel Lift Pump 165GPH fits GM Duramax 6.6L 2001-2010**FASS**$706.22**4.4★30 rev](https://www.amazon.com/dp/B0B75M7JBL) [3![FASS TSD07165G Titanium Signature Series 165GPH Diesel Fuel System fits RAM 5.9L and 6.7L Cummins 2005-2018 & 2021](https://m.media-amazon.com/images/I/4129a2GpH5L.jpg)**FASS TSD07165G Titanium Signature Series 165GPH Diesel Fuel System fits RAM 5.9L and 6.7L Cummins 2005-2018 & 2021**FASS**$709.15**4.3★19 rev](https://www.amazon.com/dp/B0B75K87YK) [4![Flynsu 165 GPH Fuel Lift Pump System Replacement for 1998.5-2004 Dodge Ram 2500 3500 5.9L Cummins Diesel TD08150G TSD08165G TS D08 165G](https://m.media-amazon.com/images/I/41tD4B56TPL.jpg)**Flynsu 165 GPH Fuel Lift Pump System Replacement for 1998.5-2004 Dodge Ram 2500 3500 5.9L Cummins Diesel TD08150G TSD08165G TS D08 165G**Flynsu**$400.61**4.3★15 rev](https://www.amazon.com/dp/B0BL98DTL1) [5![FASS TSD08100G Titanium Signature Series Diesel Fuel Lift Pump 100GPH fits Dodge Cummins 5.9L 1998.5-2004](https://m.media-amazon.com/images/I/4129a2GpH5L.jpg)**FASS TSD08100G Titanium Signature Series Diesel Fuel Lift Pump 100GPH fits Dodge Cummins 5.9L 1998.5-2004**FASS**$652.98**4.6★12 rev](https://www.amazon.com/dp/B0B75N77BL)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Hututimo 165GPH Diesel Fuel Lift Pump System Compatible with Chevrolet Silverado GMC Sierra Diesel 6.6L 2001-2010 Replace TSC10165G 165GPH TC10150G TC10165G FASTC10150G](https://m.media-amazon.com/images/I/41c69IzXKvL.jpg)**Hututimo 165GPH Diesel Fuel Lift Pump System Compatible with Chevrolet Silverado GMC Sierra Diesel 6.6L 2001-2010 Replace TSC10165G 165GPH TC10150G TC10165G FASTC10150G**Hututimo**$371.96**4 rev2y ago](https://www.amazon.com/dp/B0D83FTXVY) [![KAX Diesel Fuel Lift Pump System Fits for Ram 2500 2011-2018 6.7T Ram 3500 2011-2018 Dodge Ram 2500 2007-2010 6.7T 2005-2009 5.9T TS D07 165G](https://m.media-amazon.com/images/I/515NAjX3hDL.jpg)**KAX Diesel Fuel Lift Pump System Fits for Ram 2500 2011-2018 6.7T Ram 3500 2011-2018 Dodge Ram 2500 2007-2010 6.7T 2005-2009 5.9T TS D07 165G**KAX**$403.90**98 rev2y ago](https://www.amazon.com/dp/B0CZ8S152W) [![GELUOXI Fuel Lift Pump System TSC10100G Replacement for Chevy GMC Duramax 6.6L 100GPH Diesel 2001-2010](https://m.media-amazon.com/images/I/41T2J8hiu6L.jpg)**GELUOXI Fuel Lift Pump System TSC10100G Replacement for Chevy GMC Duramax 6.6L 100GPH Diesel 2001-2010**GELUOXI**$343.49**1 rev2y ago](https://www.amazon.com/dp/B0CQ7XH6Z4) [![165GPH Diesel Fuel Lift Pump System Compatible with Chevy GMC Duramax 2001-2010 6.6L Replaces OE Number TS C10 165G TSC10165G](https://m.media-amazon.com/images/I/51CDlU2-pKL.jpg)**165GPH Diesel Fuel Lift Pump System Compatible with Chevy GMC Duramax 2001-2010 6.6L Replaces OE Number TS C10 165G TSC10165G**Orceed**$427.26**2 rev2y ago](https://www.amazon.com/dp/B0CGCJ19SH) [![165GPH Diesel Fuel Lift Pump System Compatible with 2015 2016 GMC Chevy Duramax 6.6L Replaces OE Number TS C12 165G TSC12165G](https://m.media-amazon.com/images/I/519vAvwUWFL.jpg)**165GPH Diesel Fuel Lift Pump System Compatible with 2015 2016 GMC Chevy Duramax 6.6L Replaces OE Number TS C12 165G TSC12165G**Orceed**$408.28**5 rev2y ago](https://www.amazon.com/dp/B0CGCDSTLN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Flynsu 165 GPH Fuel Lift Pump Replacement for 2005-2018 Dodge Ram 2500 3500 5.9/6.7 Cummins Diesel TSD07165G](https://m.media-amazon.com/images/I/41vPAzVMVFL.jpg)**Flynsu 165 GPH Fuel Lift Pump Replacement for 2005-2018 Dodge Ram 2500 3500 5.9/6.7 Cummins Diesel TSD07165G**Flynsu**$401.97**3.4★**▲ 117%**](https://www.amazon.com/dp/B0BL3JDXS8) [![GELUOXI Fuel Lift Pump System TSC10100G Replacement for Chevy GMC Duramax 6.6L 100GPH Diesel 2001-2010](https://m.media-amazon.com/images/I/41T2J8hiu6L.jpg)**GELUOXI Fuel Lift Pump System TSC10100G Replacement for Chevy GMC Duramax 6.6L 100GPH Diesel 2001-2010**GELUOXI**$343.49**5.0★**▲ 58%**](https://www.amazon.com/dp/B0CQ7XH6Z4) [![FASS TSD07100G Titanium Signature Series Diesel Fuel Lift Pump 100GPH fits RAM Cummins 5.9L and 6.7L 2005-2018 & 2021](https://m.media-amazon.com/images/I/4129a2GpH5L.jpg)**FASS TSD07100G Titanium Signature Series Diesel Fuel Lift Pump 100GPH fits RAM Cummins 5.9L and 6.7L 2005-2018 & 2021**FASS**$685.63**4.5★**▲ 51%**](https://www.amazon.com/dp/B0B75KWTZ8) [![FASS TSF17180F140G Titanium Signature Series 140GPH Diesel Fuel Lift Pump fits Ford 6.7L diesel 2011-2016](https://m.media-amazon.com/images/I/41Zv0IXWTYL.jpg)**FASS TSF17180F140G Titanium Signature Series 140GPH Diesel Fuel Lift Pump fits Ford 6.7L diesel 2011-2016**FASS**$739.52**4.6★**▲ 48%**](https://www.amazon.com/dp/B0B75X8W45) [![Flynsu 165 GPH Fuel Lift Pump System Replacement for 1998.5-2004 Dodge Ram 2500 3500 5.9L Cummins Diesel TD08150G TSD08165G TS D08 165G](https://m.media-amazon.com/images/I/41tD4B56TPL.jpg)**Flynsu 165 GPH Fuel Lift Pump System Replacement for 1998.5-2004 Dodge Ram 2500 3500 5.9L Cummins Diesel TD08150G TSD08165G TS D08 165G**Flynsu**$400.61**4.3★**▲ 41%**](https://www.amazon.com/dp/B0BL98DTL1)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 30 weeks — -1.2% search growth over the last 90 days.

2K1KDec '25Jan '26Feb '26Mar '26May '26Jun '26

## **Reviews**

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

### **What buyers love **

**Quality-Overall**23%

*“Great quality”*

**Fuel Efficiency**15%

*“This corrected the fuel issues on my truck”*

**Advertised Vs Actual Product**10%

*“Way better than expected”*

**Efficiency**10%

*“Works great”*

**Assembly/Installation**8%

*“Easy to install”*

**Value For Money**5%

*“Good value”*

**Ease Of Use**5%

*“Easy to use kit”*

**Noise Level**5%

*“Quiet operation”*

**Durability**5%

*“it still works well”*

### **What buyers complain about **

**Instructions/User Manual/Troubleshooting**46%

*“Directions are horrible”*

**Pressure**13%

*“pressure issues”*

### **Top return reasons **

**Assembly/Installation**17%

**Defective Material/Parts**17%

**Size-Overall**17%

**Compatibility-Overall**15%

**Advertised Vs Actual Product**12%

**Functionality-Overall**10%

**Mounting**3%

**Durability**3%

**Certifications**3%

**Socket/Port/Plug**2%