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.

simpson pressure washer pump

Skip it

Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Growth

Great+63.3%

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

Returns

Good2.2%

return rate — above 5% kills the launch gate

Avg price

Good$132.48

avg listing price — sweet spot $15–$100

Review moat

Good1,242.08

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.9%

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

Competition

Bad75%

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

Bad94%

top-5 brand share — brand-locked demand

Signals High Price

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

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

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

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.

Peak months: Apr, May, Jul, Aug · busiest ÷ quietest = 3.6×

Open 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.

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

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$108.884.6★1,594 rev

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$149.024.5★1,619 rev

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$61.194.5★3,049 rev

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$265.034.4★527 rev

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$69.734.6★77 rev

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$71.38229 rev

1y ago

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$69.7377 rev

2y ago

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$51.88553 rev

2y ago

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$53.28702 rev

4y ago

Simpson 3400 PSI Gas Pressure Washer 2.5 GPM Residential Power Washer Cold Water 25 Hose Clean Machine 49-State Compliant (CM61083)

SIMPSON$328.062,314 rev

6y ago

What buyers say about simpson pressure washer pump

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

What buyers love

Assembly/Installation20%

“Very easy to assemble”

Pressure20%

“Good pressure water”

Quality-Overall12%

“Excellent Product”

Value For Money9%

“Best for the money”

Size-Overall7%

“Fit perfect”

Advertised Vs Actual Product5%

“As Advertised”

Ease Of Use5%

“Ease of operation”

Strength4%

“Well built”

Ease Of Cleaning3%

“House cleaner”

Durability2%

“Durable”

What buyers complain about

Pressure19%

“Pump started losing pressure”

Durability11%

“Doesnt last”

Quality-Overall10%

“apparently poor quality control”

Assembly/Installation5%

“It was not fully assembled”

Size-Overall4%

“it did not fit my Pressure washer”

Functionality-Overall4%

“Looses power occasionally”

Leak-Proof4%

“leaked oil constantly”

Instructions/User Manual/Troubleshooting4%

“There is not a user manual in the box”

Advertised Vs Actual Product3%

“Listing description is poor”

Defective Material/Parts2%

“Pictures show the broken component”

Top return reasons

Size-Overall45%

Pressure12%

Defective Material/Parts11%

Functionality-Overall6%

Mounting5%

Advertised Vs Actual Product5%

Leak-Proof2%

Value For Money2%

Connectivity-Overall2%

Assembly/Installation1%

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.