---
title: "walbro 255 fuel pump — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/walbro-255-fuel-pump"
last_updated: "2026-07-13T19:52:25.733Z"
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  description: "a small market ($76K/yr) — walbro 255 fuel pump doesn't clear our bar today."
  "og:description": "a small market ($76K/yr) — walbro 255 fuel pump doesn't clear our bar today."
  "og:title": "walbro 255 fuel pump — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

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# **walbro 255 fuel pump**

**Skip it**

A small market ($76K/yr) — this niche doesn't clear our bar today.

Market size 19Growth 49Conversion 21Competition 39Returns 31Price range 77Avg price 87Brand share 26Review moat 88Quality gap 89

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****244.12**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$67.46**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$25.74–$121.35**

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

**Growth**

**Okay****+18.9%**

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

**Competition**

**Okay****62%**

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

**Returns**

**Okay****5.3%**

return rate — above 6% kills the launch gate

**Brand share**

**Okay****89%**

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

**Conversion**

**Bad****1.7%**

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

**Market size**

**Bad****$76K**

$76K/yr · 66K searches

## **Competition**

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **▼falling

**Sellers**

**48**

**Top-5 brand share**

**89%**

**Open market**

**6%**

- Walbro45% - AdvanEX18% - KEMSO10% - EVIL ENERGY10% - Herko Automotive6% - Deatsch Werks5% - Open — no brand owns it (3 brands, 6%)

## **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%10%$8K20%$15K30%$23K40%$30K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 17 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Walbro Fuel Pump GSL Electric In-Line 255 lph 10 mm x 1.00 Female Inlet 10 mm x 1.00 Female Outlet Gas Each](https://m.media-amazon.com/images/I/31bL8--KUaL.jpg)**Walbro Fuel Pump GSL Electric In-Line 255 lph 10 mm x 1.00 Female Inlet 10 mm x 1.00 Female Outlet Gas Each**Walbro**$94.90**3.9★403 rev](https://www.amazon.com/dp/B000ED8KTG) [2![255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits](https://m.media-amazon.com/images/I/31J49-JwMxL.jpg)**255LPH Electric Fuel Pump High Performance Replace Walbro GSS342 with Installation Kits**AdvanEX**$25.74**4.0★143 rev](https://www.amazon.com/dp/B08HD6HGTK) [3![EVIL ENERGY EFI 255LPH Electric Intank Fuel Pump High Flow 43 PSI Kit](https://m.media-amazon.com/images/I/410mgT1LsJL.jpg)**EVIL ENERGY EFI 255LPH Electric Intank Fuel Pump High Flow 43 PSI Kit**EVIL ENERGY**$31.02**3.9★581 rev](https://www.amazon.com/dp/B08PF9LBB2) [4![Walbro Fuel Pump Electric In-Tank 255 lph Install Kit Gas compatible with GM Cars/Trucks 1985-92 Kit](https://m.media-amazon.com/images/I/41Afw9MphYL.jpg)**Walbro Fuel Pump Electric In-Tank 255 lph Install Kit Gas compatible with GM Cars/Trucks 1985-92 Kit**Walbro**$121.07**4.0★58 rev](https://www.amazon.com/dp/B00EBOOV8I) [5![KEMSO 340LPH High Performance Fuel Pump Replaces Walbro 255LPH GSS342 Upgrades for E8229 E2068 E8213 EFP382A](https://m.media-amazon.com/images/I/41FXQ++5yOL.jpg)**KEMSO 340LPH High Performance Fuel Pump Replaces Walbro 255LPH GSS342 Upgrades for E8229 E2068 E8213 EFP382A**KEMSO**$39.95**4.2★418 rev](https://www.amazon.com/dp/B09F8QCFNB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Genuine Walbro Fuel Pump GSS342 255LPH High Pressure Intank made in USA! 400-766](https://m.media-amazon.com/images/I/31oywKKy6UL.jpg)**Genuine Walbro Fuel Pump GSS342 255LPH High Pressure Intank made in USA! 400-766**Herko Automotive**$93.18**3 rev5mo ago](https://www.amazon.com/dp/B0F22DQ7L5) [![Geradepart Replacement for Walbro GSL Fuel Pump GSL392 InLine 255 lph High Pressure (Universal External Pump) 10 mmx1.00 Female Inlet 10 mmx1.00 Female Outlet Gas](https://m.media-amazon.com/images/I/41VGZSLHZsL.jpg)**Geradepart Replacement for Walbro GSL Fuel Pump GSL392 InLine 255 lph High Pressure (Universal External Pump) 10 mmx1.00 Female Inlet 10 mmx1.00 Female Outlet Gas**Geradepart**$87.74**0 rev6mo ago](https://www.amazon.com/dp/B0GBYKK7NY) [![Walbro High Performance 255Lph; 500Hp; Gas; Pump Only - GSS341G3](https://m.media-amazon.com/images/I/4140UsI21nL.jpg)**Walbro High Performance 255Lph; 500Hp; Gas; Pump Only - GSS341G3**Walbro**$73.47**3 rev4y ago](https://www.amazon.com/dp/B085F2Z81R) [![KEMSO 340LPH High Performance Fuel Pump Replaces Walbro 255LPH GSS342 Upgrades for E8229 E2068 E8213 EFP382A](https://m.media-amazon.com/images/I/41FXQ++5yOL.jpg)**KEMSO 340LPH High Performance Fuel Pump Replaces Walbro 255LPH GSS342 Upgrades for E8229 E2068 E8213 EFP382A**KEMSO**$39.95**418 rev5y ago](https://www.amazon.com/dp/B09F8QCFNB) [![KEMSO 340LPH High Performance Fuel Pump Replaces Walbro 255LPH F20000169 Upgrades for EP240 EP270 E3240](https://m.media-amazon.com/images/I/51WhQjC-BtL.jpg)**KEMSO 340LPH High Performance Fuel Pump Replaces Walbro 255LPH F20000169 Upgrades for EP240 EP270 E3240**KEMSO**$40.00**182 rev5y ago](https://www.amazon.com/dp/B09F917BPL)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Genuine Walbro Fuel Pump GSS342 255LPH High Pressure Intank made in USA! 400-766](https://m.media-amazon.com/images/I/31oywKKy6UL.jpg)**Genuine Walbro Fuel Pump GSS342 255LPH High Pressure Intank made in USA! 400-766**Herko Automotive**$93.18**4.3★**▲ 197%**](https://www.amazon.com/dp/B0F22DQ7L5) [![255LPH Electric Fuel Pump High Performance Replace Walbro GSS341 with Installation Kits](https://m.media-amazon.com/images/I/31PyiMsNLKL.jpg)**255LPH Electric Fuel Pump High Performance Replace Walbro GSS341 with Installation Kits**AdvanEX**$25.90**4.2★**▲ 98%**](https://www.amazon.com/dp/B08HCPN78V) [![Geradepart Replacement for Walbro GSL Fuel Pump GSL392 InLine 255 lph High Pressure (Universal External Pump) 10 mmx1.00 Female Inlet 10 mmx1.00 Female Outlet Gas](https://m.media-amazon.com/images/I/41VGZSLHZsL.jpg)**Geradepart Replacement for Walbro GSL Fuel Pump GSL392 InLine 255 lph High Pressure (Universal External Pump) 10 mmx1.00 Female Inlet 10 mmx1.00 Female Outlet Gas**Geradepart**$87.74**0.0★**▲ 52%**](https://www.amazon.com/dp/B0GBYKK7NY) [![Walbro Fuel Pump GSL Electric In-Line 255 lph 10 mm x 1.00 Female Inlet 10 mm x 1.00 Female Outlet Gas Each](https://m.media-amazon.com/images/I/31bL8--KUaL.jpg)**Walbro Fuel Pump GSL Electric In-Line 255 lph 10 mm x 1.00 Female Inlet 10 mm x 1.00 Female Outlet Gas Each**Walbro**$94.90**3.9★**▲ 33%**](https://www.amazon.com/dp/B000ED8KTG) [![Walbro High Performance 255Lph; 500Hp; Gas; Pump Only - GSS341G3](https://m.media-amazon.com/images/I/4140UsI21nL.jpg)**Walbro High Performance 255Lph; 500Hp; Gas; Pump Only - GSS341G3**Walbro**$73.47**3.3★**▲ 32%**](https://www.amazon.com/dp/B085F2Z81R)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +18.9% search growth over the last 90 days.

2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Reviews**

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

### **What buyers love **

**Pressure**28%

*“strong pump”*

**Quality-Overall**16%

*“and it looks like a great quality pump”*

**Size-Overall**12%

*“It fits my sending unit”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Value For Money**8%

*“Price is good”*

**Fuel Efficiency**6%

*“it got me 50 miles to its new home the build quality is decent would be nice if it had more labeling I had to play with it to figure out the direction of flow the fuel pressure is really decent almost too much as I needed to redirect my return line it was flying through fuel all in all GREAT value option if you dont wanna spend the 100+ dollars for a factory fuel pump also this is easier than dropping the fuel tank”*

**Functionality-Overall**2%

*“Worked”*

**Assembly/Installation**1%

*“it was very easy to install in the Miata's gas tank”*

**Noise Level**1%

*“This pump is extremely quiet for a high flow pump which was nice”*

**Strength**1%

*“still running strong”*

### **What buyers complain about **

**Durability**30%

*“Failed after one month and 210 miles”*

**Quality-Overall**16%

*“Trash”*

**Pressure**13%

*“however it seems that a simple check valve to hold 50psi can't be achieved”*

**Noise Level**7%

*“A bit loud”*

**Size-Overall**5%

*“Didn't fit housing”*

**Functionality-Overall**5%

*“working on it suddenly nothing”*

**Value For Money**4%

*“Waste of money”*

**Filtration**3%

*“Showed up with no filter for the pump”*

**Fuel Efficiency**3%

*“Fuel just bleeds by without it being on”*

**Maintenance And Repair**2%

*“is now cutting out”*

### **Top return reasons **

**Size-Overall**21%

**Compatibility-Overall**12%

**Advertised Vs Actual Product**9%

**Defective Material/Parts**9%

**Pressure**8%

**Assembly/Installation**6%

**Functionality-Overall**6%

**Durability**5%

**Product Condition**4%

**Connectivity-Overall**3%