---
title: "Polaris Pb4sq Booster Pump — $901K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/polaris-pb4sq-booster-pump"
last_updated: "2026-08-11T01:47:55.632Z"
locale: en
meta:
description: "Niche score 55/100 · $901K/yr market. Prices mostly outside the sweet spot ($251.66–$354.82) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $901K/yr market. Prices mostly outside the sweet spot ($251.66–$354.82) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Polaris Pb4sq Booster Pump — $901K/yr Amazon US Niche (2026) - Flapen"
---
# **polaris pb4sq booster pump**
**Worth a look**
Shows beatable incumbent ratings (3.5★), but prices mostly outside the sweet spot ($251.66–$354.82) keeps it on the watch list.
Market size 76Growth 97Conversion 27Competition 3Returns 94Price range 0Avg price 32Brand share 8Review moat 80Quality gap 100
**Quality gap**
**Incredible****3.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Incredible****+184.5%**
90-day search growth — must beat 0% to launch
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****409.33**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Great****$901K**
$901K/yr · 139K searches
**Avg price**
**Okay****$293.70**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****2.2%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****97%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$251.66–$354.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, polaris pb4sq booster pump is a $901K/yr Amazon United States market (139K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **polaris pb4sq booster pump market data**
- **Units sold / yr**
- **5K–6K**
- avg 500–750/product
- **Revenue / yr**
- **$1.5M–$1.8M**
- units × avg price
- **Conversion rate**
- **2.2%**
- **Avg BSR**
- **#2,241**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**24**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- Polaris63% - AQUASTRONG20% - MARGAR7% - Aqualix4% - Ytrica4% - Drizzlen3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +184.5% search growth over the last 90 days.
8K6KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 5.8×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/polaris-pb4sq-booster-pump/trend)
## **Top polaris pb4sq booster pump search terms**
- **polaris pb4-60 booster pump**18K/yr+144.3%6.9% conv. - **polaris booster pump**17K/yr+202.3%2.7% conv. - **pool booster pump**17K/yr+187.2%1.1% conv. - **pb4-60 booster pump**13K/yr+185.9%3.9% conv. - **booster pump for pool cleaner**11K/yr+239.3%1.1% conv. - **pentair booster pump**10K/yr+266.4%0.6% conv. - **polaris booster pump pb4-60**10K/yr+324.9%2.6% conv. - **polaris pool pump**8K/yr+447.7%1.0% conv. - **booster pump for pool**7K/yr+751.2%0.4% conv. - **polaris pb4-60**8K/yr+32.8%7.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/polaris-pb4sq-booster-pump/search-terms)
## **Top polaris pb4sq booster 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%20%$180K40%$360K60%$540K80%$721K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Polaris PB4-60 Booster Pump with 60-Hertz Motor**Polaris**$354.82**4.4★2,218 rev](https://www.amazon.com/dp/B000786GKS) [2**Aquastrong PB4-60 Pool Booster Pump Pure Copper Motor 3/4 HP Dual Voltage 115V/230V Low Noise Wide Compatibility Easy Installation for Pressure-Side Pool Cleaners Vac-Sweep 280 380 3900-Black**AQUASTRONG**$271.90**4.4★169 rev](https://www.amazon.com/dp/B0FQVPSLV8) [3**PB4-60 Booster Pump Replacement for Polaris PB4-60 3/4 HP Booster Pump Works with Polaris 180-480 & Major Pool Cleaners | 3/4 HP 115V/230V Dual Voltage 60Hz**MARGAR**$284.41**3.6★7 rev](https://www.amazon.com/dp/B0G341811C) [4**PB4-60 Pool Booster Pump 3/4 HP Compatible with Polaris 280/380/3900**Aqualix**$326.73**2.7★7 rev](https://www.amazon.com/dp/B0G4LYKPKV) [5**Ytrica PB4-60 Booster Pump 3/4 HP Fit for Polaris 180 280 380 480 3900 Pressure Side Pool Cleaners 230/115V 60HZ - Replace for PB460 Polaris Pool Booster Pump**Ytrica**$272.69**3.4★45 rev](https://www.amazon.com/dp/B0FDFDJ3D4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**PB4-60 Pool Booster Pump 3/4 HP Compatible with Polaris 280/380/3900**Aqualix**$326.73**7 rev7mo ago](https://www.amazon.com/dp/B0G4LYKPKV) [**PB4-60 Booster Pump Replacement for Polaris PB4-60 3/4 HP Booster Pump Works with Polaris 180-480 & Major Pool Cleaners | 3/4 HP 115V/230V Dual Voltage 60Hz**MARGAR**$284.41**7 rev8mo ago](https://www.amazon.com/dp/B0G341811C) [**Aquastrong PB4-60 Pool Booster Pump Pure Copper Motor 3/4 HP Dual Voltage 115V/230V Low Noise Wide Compatibility Easy Installation for Pressure-Side Pool Cleaners Vac-Sweep 280 380 3900-Black**AQUASTRONG**$271.90**169 rev10mo ago](https://www.amazon.com/dp/B0FQVPSLV8) [**Upgraded 1HP Pool Booster Pump Anti-Leak PB4-60 Replacement for Polaris 180-480 Dual Capacitor & 1600GPM Flow 115V/230V Dual Voltage**Drizzlen**$251.66**10 rev10mo ago](https://www.amazon.com/dp/B0FPLSRN5K) [**Ytrica PB4-60 Booster Pump 3/4 HP Fit for Polaris 180 280 380 480 3900 Pressure Side Pool Cleaners 230/115V 60HZ - Replace for PB460 Polaris Pool Booster Pump**Ytrica**$272.69**45 rev1y ago](https://www.amazon.com/dp/B0FDFDJ3D4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Aquastrong PB4-60 Pool Booster Pump Pure Copper Motor 3/4 HP Dual Voltage 115V/230V Low Noise Wide Compatibility Easy Installation for Pressure-Side Pool Cleaners Vac-Sweep 280 380 3900-Black**AQUASTRONG**$271.90**4.4★**▲ 52%**](https://www.amazon.com/dp/B0FQVPSLV8) [**PB4-60 Booster Pump Replacement for Polaris PB4-60 3/4 HP Booster Pump Works with Polaris 180-480 & Major Pool Cleaners | 3/4 HP 115V/230V Dual Voltage 60Hz**MARGAR**$284.41**3.6★**▲ 46%**](https://www.amazon.com/dp/B0G341811C) [**PB4-60 Pool Booster Pump 3/4 HP Compatible with Polaris 280/380/3900**Aqualix**$326.73**2.7★**— 5%**](https://www.amazon.com/dp/B0G4LYKPKV) [**Upgraded 1HP Pool Booster Pump Anti-Leak PB4-60 Replacement for Polaris 180-480 Dual Capacitor & 1600GPM Flow 115V/230V Dual Voltage**Drizzlen**$251.66**2.3★**— 5%**](https://www.amazon.com/dp/B0FPLSRN5K) [**Polaris PB4-60 Booster Pump with 60-Hertz Motor**Polaris**$354.82**4.4★**— 8%**](https://www.amazon.com/dp/B000786GKS)
**~~View all trending →~~**
## **What buyers say about polaris pb4sq booster pump**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**32%
*“Ease of installation”*
**Value For Money**15%
*“Good value”*
**Pressure**11%
*“Water pressure is consistent”*
**Quality-Overall**10%
*“Great quality build”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Spray/Flow**4%
*“Great power from this pump”*
**Size-Overall**3%
*“fit was correct”*
**Ease Of Cleaning**2%
*“runs the pool cleaner with ease”*
**Instructions/User Manual/Troubleshooting**2%
*“simple to follow instructions for the novice”*
**Strength**2%
*“good powerful pump”*
### **What buyers complain about **
**Leak-Proof**27%
*“Both of them were leaking”*
**Durability**25%
*“Broke after 2 months”*
**Assembly/Installation**8%
*“I can only assume the assembly was bad”*
**Functionality-Overall**5%
*“it wont even click much less turn on”*
**Value For Money**4%
*“have to shell out another 300 bucks”*
**Advertised Vs Actual Product**4%
*“Advertised as Polaris PB4-60, It is equivalent, but not a Polaris!”*
**Quality-Overall**3%
*“Cheap piece of junk”*
**Size-Overall**3%
*“none fit smoothly”*
**Motor Issues**3%
*“Hole in side of motor is metric not 1\2 inch like all pumps I've installed had to drill it out”*
**Pressure**2%
*“My pressure-side pool cleaner had started losing performance”*
### **Top return reasons **
**Defective Material/Parts**17%
**Motor Issues**16%
**Leak-Proof**12%
**Value For Money**7%
**Advertised Vs Actual Product**7%
**Functionality-Overall**7%
**Durability**5%
**Size-Overall**5%
**Heating**4%
**Maintenance And Repair**3%
## **Common questions**
- **Is polaris pb4sq booster pump profitable to sell on Amazon United States?**
- The niche generates $901K/yr across 6 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +184.5%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the polaris pb4sq booster pump niche?**
- 6 brands and 24 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in polaris pb4sq booster pump?**
- Top complaints mined from reviews: Leak-Proof, Durability, Assembly/Installation. The return rate is 1.1%.
- **When does demand for polaris pb4sq booster pump peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 5.8× the quietest.
- **What does it cost to enter the polaris pb4sq booster pump niche?**
- Listings span $251.66–$354.82; the average listing price is $293.70 (sweet spot $15–$100). The average incumbent carries 409 reviews — the moat a new listing must climb.
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