Simpson Pressure Washer Pump
FailThe top 5 brands take 94% of clicks, so Simpson Pressure Washer Pump is a Fail.
- Flapen Score
- 41 / 100Ranks 7,889 of 8,839 Patio, Lawn & Garden niches · −15 vs the category median of 5641
- Market size
- $75K/yr20K searches / yr
- 90-day growth
- +63.3%search demand this quarter
- Competition
- 75%top-5 click share · 7 brands · 38 sellers
Flapen Score
Simpson Pressure Washer Pump against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Simpson Pressure Washer Pump is stronger. Inside it, weaker.
Market
The Simpson Pressure Washer Pump market on Amazon at a glance
Shoppers on Amazon United States searched for Simpson Pressure Washer Pump 20K times last year and spent an estimated $75K. The top 5 brands take 94% of clicks. Demand peaks in Apr–May–Jul–Aug. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 2.9% of those searches ended in a purchase.
Shoppers searched for this 20K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.9% of those searches ended in a purchase. Searches in the last 90 days moved +63.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $75K a year.
- Searches, last 12 months
- 20K
- Growth, 90 days vs prior 90
- +63.3%
- Conversion, latest week
- 2.9%
- Market size, estimated
- $75Ka year
- Peak month
- August3.6× the quietest month
- Top search term
- simpson pressure washer pump16K searches a year
02 · Price
A sale here is worth $132.48.
Listings sell for $132.48 on average, from $51.88 to $328.06. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $132.48 that is $0 to $13K a year per listing.
- Average price
- $132.48above the $15 to $100 sweet spot
- Price range
- $51.88–$328.06
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$13K
- Returns
- 2.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #77 within Pressure Washer Parts & Accessories. It carries 1,242 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #77in Pressure Washer Parts & Accessories
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 1,242per listing
- Listings tracked
- 13
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top Simpson Pressure Washer Pump products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 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)
- Price
- $108.88
- Rating
- 4.6/5
- Reviews
- 1,594
- Age
- 11y ago

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
- Price
- $149.02
- Rating
- 4.5/5
- Reviews
- 1,619
- Age
- 11y ago

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
- Price
- $61.19
- Rating
- 4.5/5
- Reviews
- 3,049
- Age
- 7y ago

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)
- Price
- $265.03
- Rating
- 4.4/5
- Reviews
- 527
- Age
- 11y 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
- Price
- $69.73
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 2y ago
Trending
estimated 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
- Price
- $108.23
- Rating
- 4.5/5
- Reviews
- 845
- Age
- 11y 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
- Price
- $69.73
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 2y ago

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
- Price
- $59.90
- Rating
- 4.5/5
- Reviews
- 3,565
- Age
- 7y ago

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
- Price
- $71.38
- Rating
- 4.4/5
- Reviews
- 229
- Age
- 1y ago

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
- Price
- $325.51
- Rating
- 4.1/5
- Reviews
- 250
- Age
- 11y ago
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
- Price
- $71.38
- Rating
- 4.4/5
- Reviews
- 229
- Age
- 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
- Price
- $69.73
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 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
- Price
- $51.88
- Rating
- 4.4/5
- Reviews
- 553
- Age
- 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
- Price
- $53.28
- Rating
- 4.6/5
- Reviews
- 702
- Age
- 4y ago

Simpson 3400 PSI Gas Pressure Washer 2.5 GPM Residential Power Washer Cold Water 25 Hose Clean Machine 49-State Compliant (CM61083)
- Price
- $328.06
- Rating
- 4.4/5
- Reviews
- 2,314
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 75% of clicks. A locked shelf that new listings rarely crack.
Brands
7 flat
Sellers
38
Est. top-5 brand share
94%
Top 20: 100%
Est. 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
Simpson Pressure Washer Pump search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Jul, Aug · busiest ÷ quietest = 3.6×
Reviews and returns
What reviews say buyers love and hate about Simpson Pressure Washer Pump
We read the reviews and the return reasons for every product selling here.
“Pump started losing pressure”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Simpson Pressure Washer Pump questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









