---
title: "Simpson Pressure Washer Pump — $75K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/simpson-pressure-washer-pump"
last_updated: "2026-08-10T03:13:21.488Z"
locale: en
meta:
description: "Niche score 41/100 · $75K/yr market · 20K searches/yr · $132.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $75K/yr market · 20K searches/yr · $132.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Simpson Pressure Washer Pump — $75K/yr Amazon US Niche (2026) - Flapen"
---
# **simpson pressure washer pump**
**Skip it**
Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.
Market size 19Growth 76Conversion 36Competition 21Returns 69Price range 17Avg price 64Brand share 14Review moat 56Quality gap 48
**Growth**
**Great****+63.3%**
90-day search growth — must beat 0% to launch
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$132.48**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,242.08**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.9%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$75K**
$75K/yr · 20K searches
**Price range**
**Bad****$51.88–$328.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****94%**
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, simpson pressure washer pump is a $75K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Apr–May–Jul–Aug. Verdict: Skip it — 41/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **simpson pressure washer pump market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$66K–$99K**
- units × avg price
- **Conversion rate**
- **2.9%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **207 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **—flat
**Sellers**
**38**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**2%**
- SIMPSON55% - YAMATIC20% - AAA10% - EZJOB5% - TOOLCY4% - Hourleey3% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +63.3% search growth over the last 90 days.
1K600Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jul, Aug · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/simpson-pressure-washer-pump/trend)
## **Top simpson pressure washer pump 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%$8K20%$15K30%$23K40%$30K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OEM Technologies 3300 PSI 2.4 GPM Replacement Pressure Washer Pump Kit Horizontal Axial Cam Replacement Pump for Gas Pressure Washer 3/4 Shaft Includes Hardware and Siphon Tube (90028)**SIMPSON**$108.88**4.6★1,594 rev](https://www.amazon.com/dp/B00TQLMNK4) [2**OEM Technologies 90029 Replacement Pressure Washer Pump Kit 3400 PSI 2.5 GPM 3/4 Shaft Includes Hardware and Siphon Tube for Residential and Industrial Gas Powered Machines**SIMPSON**$149.02**4.5★1,619 rev](https://www.amazon.com/dp/B00TQLMNNQ) [3**YAMATIC 3/4 Shaft Horizontal Pressure Washer Pump 3400 PSI 2.5 GPM Replacement Pump for Power Washer Compatible with Homelite Troybilt Simpson Karcher Honda GC160 GC190 AR RMV 2.5G30**YAMATIC**$61.19**4.5★3,049 rev](https://www.amazon.com/dp/B07KMY34ZZ) [4**AAA 3700 PSI 2.5 GPM Replacement Triplex Pressure Washer Pump Kit for SIMPSON Gas Power Washer Pumps 3/4 Shaft Horizontal Engine Fit PowerBoost (90037)**AAA**$265.03**4.4★527 rev](https://www.amazon.com/dp/B00TQLMNMC) [5**3100PSI Pressure Washer Pump 3/4 Shaft Horizontal Power Washer Pump Replacement Universal Power Washer Pumps for Pressure Washer 2800-3100 PSI Compatible with Generac Simpson and More Engines**EZJOB**$69.73**4.6★77 rev](https://www.amazon.com/dp/B0D2LHN9LG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WOJET Pressure Washer Pump 3/4 Shaft 3400PSI 2.5GPM Horizontal Power Washer Pump With Anti-seize Self-Priming Replacement Pressure Washer Pump Kit for Dewalt Simpson Craftsman Honda Generac**WOJET**$71.38**229 rev1y ago](https://www.amazon.com/dp/B0DJ6LBNZ2) [**3100PSI Pressure Washer Pump 3/4 Shaft Horizontal Power Washer Pump Replacement Universal Power Washer Pumps for Pressure Washer 2800-3100 PSI Compatible with Generac Simpson and More Engines**EZJOB**$69.73**77 rev2y ago](https://www.amazon.com/dp/B0D2LHN9LG) [**Hourleey 3/4 Shaft Horizontal Pressure Washer Pump 3400PSI 2.5GPM Replacement Pump for Power Washer Power Washer Pump for Gas Washer Compatible with Simpson Ryobi Honda**Hourleey**$51.88**553 rev2y ago](https://www.amazon.com/dp/B0CR2MPWQ7) [**TOOLCY 3/4 Shaft Horizontal Pressure Washer Pump 2600-3300 PSI @ 2.5 GPM - Power Washer Pump for Gas Washer - Compatible with Honda Simpson and More**TOOLCY**$53.28**702 rev4y ago](https://www.amazon.com/dp/B09QGNCZ42) [**Simpson 3400 PSI Gas Pressure Washer 2.5 GPM Residential Power Washer Cold Water 25 Hose Clean Machine 49-State Compliant (CM61083)**SIMPSON**$328.06**2,314 rev6y ago](https://www.amazon.com/dp/B086XGSLQC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**OEM Technologies 90026 Vertical Axial Cam Replacement Pressure Washer Pump Kit 3100 PSI 2.4 GPM 7/8 Shaft Includes Hardware and Siphon Tube for Residential and Industrial Gas Powered Machines**SIMPSON**$108.23**4.5★**▲ 71%**](https://www.amazon.com/dp/B00TQLMNF4) [**3100PSI Pressure Washer Pump 3/4 Shaft Horizontal Power Washer Pump Replacement Universal Power Washer Pumps for Pressure Washer 2800-3100 PSI Compatible with Generac Simpson and More Engines**EZJOB**$69.73**4.6★**▲ 34%**](https://www.amazon.com/dp/B0D2LHN9LG) [**YAMATIC 7/8 Shaft Vertical Pressure Washer Pump Rear Inlet/Outlet 3000 PSI @ 2.5 GPM Replacement Pump for Power Washers Compatible with 308653045 308653052 308653078 GCV190 and more**YAMATIC**$59.90**4.5★**▲ 28%**](https://www.amazon.com/dp/B07KMXLBT9) [**WOJET Pressure Washer Pump 3/4 Shaft 3400PSI 2.5GPM Horizontal Power Washer Pump With Anti-seize Self-Priming Replacement Pressure Washer Pump Kit for Dewalt Simpson Craftsman Honda Generac**WOJET**$71.38**4.4★**▲ 26%**](https://www.amazon.com/dp/B0DJ6LBNZ2) [**AAA 90039 Horizontal Triplex Plunger Replacement Pressure Washer Pump Kit 4000 PSI 3.5 GPM 1 Shaft Includes Hardware and Siphon Tube for Industrial Gas Powered Machines**AAA**$325.51**4.1★**▲ 24%**](https://www.amazon.com/dp/B00TQLMPM0)
**~~View all trending →~~**
## **What buyers say about simpson pressure washer pump**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**20%
*“Very easy to assemble”*
**Pressure**20%
*“Good pressure water”*
**Quality-Overall**12%
*“Excellent Product”*
**Value For Money**9%
*“Best for the money”*
**Size-Overall**7%
*“Fit perfect”*
**Advertised Vs Actual Product**5%
*“As Advertised”*
**Ease Of Use**5%
*“Ease of operation”*
**Strength**4%
*“Well built”*
**Ease Of Cleaning**3%
*“House cleaner”*
**Durability**2%
*“Durable”*
### **What buyers complain about **
**Pressure**19%
*“Pump started losing pressure”*
**Durability**11%
*“Doesnt last”*
**Quality-Overall**10%
*“apparently poor quality control”*
**Assembly/Installation**5%
*“It was not fully assembled”*
**Size-Overall**4%
*“it did not fit my Pressure washer”*
**Functionality-Overall**4%
*“Looses power occasionally”*
**Leak-Proof**4%
*“leaked oil constantly”*
**Instructions/User Manual/Troubleshooting**4%
*“There is not a user manual in the box”*
**Advertised Vs Actual Product**3%
*“Listing description is poor”*
**Defective Material/Parts**2%
*“Pictures show the broken component”*
### **Top return reasons **
**Size-Overall**45%
**Pressure**12%
**Defective Material/Parts**11%
**Functionality-Overall**6%
**Mounting**5%
**Advertised Vs Actual Product**5%
**Leak-Proof**2%
**Value For Money**2%
**Connectivity-Overall**2%
**Assembly/Installation**1%
## **Common questions**
- **Is simpson pressure washer pump profitable to sell on Amazon United States?**
- The niche generates $75K/yr across 13 tracked products. 90-day search growth is +63.3%. Flapen's verdict: Skip it (41/100).
- **How competitive is the simpson pressure washer pump niche?**
- 7 brands and 38 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in simpson pressure washer pump?**
- Top complaints mined from reviews: Pressure, Durability, Quality-Overall. The return rate is 2.2%.
- **When does demand for simpson pressure washer pump peak?**
- Demand peaks in Apr–May–Jul–Aug; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the simpson pressure washer pump niche?**
- Listings span $51.88–$328.06; the average listing price is $132.48 (sweet spot $15–$100). The average incumbent carries 1,242 reviews — the moat a new listing must climb.
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