---
title: "491588s Air Filter Briggs and Stratton — $90K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/491588s-air-filter-briggs-and-stratton"
last_updated: "2026-08-09T05:33:00.324Z"
locale: en
meta:
description: "Niche score 51/100 · $90K/yr market · 55K searches/yr · $9.12 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $90K/yr market · 55K searches/yr · $9.12 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "491588s Air Filter Briggs and Stratton — $90K/yr Amazon US Niche (2026) - Flapen"
---
# **491588s air filter briggs and stratton**
**Worth a look**
Shows searches that convert (17.9% search→purchase), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 22Growth 84Conversion 99Competition 37Returns 96Price range 24Avg price 26Brand share 40Review moat 42Quality gap 18
**Conversion**
**Incredible****17.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Growth**
**Great****+83.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,310.44**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$9.12**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$5.14–$18.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$90K**
$90K/yr · 55K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 491588s air filter briggs and stratton is a $90K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 51/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **491588s air filter briggs and stratton market data**
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$91K–$114K**
- units × avg price
- **Conversion rate**
- **17.9%**
- **Avg BSR**
- **#139**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **4.3%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **—flat
**Sellers**
**48**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**15%**
- Briggs & Stratton31% - HOODELL24% - Rakiyada11% - Harbot10% - WaruiTT4% - HEYZLASS4% - Open — no brand owns it (6 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +83.3% search growth over the last 90 days.
3K2KSpike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 6.4×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/491588s-air-filter-briggs-and-stratton/trend)
## **Top 491588s air filter briggs and stratton search terms**
- **491588s**17K/yr+119.3%14.8% conv. - **491588s air filter briggs and stratton**13K/yr+62.1%21.3% conv. - **491588s air filter**9K/yr+74.2%11.9% conv. - **briggs and stratton air filter 491588s**6K/yr+69.5%22.4% conv. - **491588**5K/yr+47.0%13.7% conv. - **briggs and stratton 491588s**4K/yr+80.1%19.4% conv. - **briggs & stratton 491588s**2K/yr+123.6%19.8% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/491588s-air-filter-briggs-and-stratton/search-terms)
## **Top 491588s air filter briggs and stratton 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%$9K20%$18K30%$27K40%$36K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**2 Pack Genuine Briggs & Stratton 491588S Air Filter Replaces 399959 OEM**Briggs & Stratton**$10.96**4.8★912 rev](https://www.amazon.com/dp/B01M6ZLSRL) [2**Rakiyada 2 PCS 491588S Air Filter with Pre Filter and Spark Plug Fits for B&S 491588 Craftsman 33644 Toro 20332 Lawn Mower Air Filter Parts for Honda Troy-Bilt John Deere Husqvarna**Rakiyada**$9.97**4.7★105 rev](https://www.amazon.com/dp/B0F9KPV5CY) [3**HOODELL 491588s Air Filter with Pre Filter Compatible with 491588 Toro 20332 Craftsman 3364 Premium Lawn Mower Air Cleaner**HOODELL**$6.33**4.7★2,076 rev](https://www.amazon.com/dp/B07DQRB6R6) [4**HOODELL 3 Pack 491588S Air Filter with Pre Filter Compatible with 491588 493537 493537S Toro 20332 Craftsman 33644 Push Lawn Mower Air Cleaner**HOODELL**$8.41**4.7★2,905 rev](https://www.amazon.com/dp/B07MCJTXSR) [5**Briggs & Stratton 491588S Air Cleaner Cartridge Filter**Briggs & Stratton**$8.73**4.8★22,625 rev](https://www.amazon.com/dp/B0011WP4Q6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Rakiyada 2 PCS 491588S Air Filter with Pre Filter and Spark Plug Fits for B&S 491588 Craftsman 33644 Toro 20332 Lawn Mower Air Filter Parts for Honda Troy-Bilt John Deere Husqvarna**Rakiyada**$9.97**105 rev1y ago](https://www.amazon.com/dp/B0F9KPV5CY) [**2 Packs 491588S Air Filter Lawn Mower Air Filter Flat OEM Air Cleaner Cartridge Compatible with Briggs and Stratton Toro 20332 Craftsman 3364**Haigelisi**$7.52**112 rev1y ago](https://www.amazon.com/dp/B0F5PKJKFK) [**Hippotech Pack of 15 Air Filter 491588S for 491588s 399959 4915885 Air Cleaner**Hippotech**$18.06**30 rev1y ago](https://www.amazon.com/dp/B0D9YP98CY) [**491588s Air Filter Compatible with Briggs 491588 Toro 20332 1Pcs**WaruiTT**$5.14**322 rev3y ago](https://www.amazon.com/dp/B0C5WDYS1R) [**491588s Air Filter Compatible with Briggs 491588 Toro 20332 2Pcs**WaruiTT**$6.47**322 rev3y ago](https://www.amazon.com/dp/B0BRHWJDDM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ZLKSKER 5pcs 491588S Lawn Mower Air Filter Replacement for B&S 491588 399959 Air Cleaner**ZLKSKER**$8.57**4.7★**▲ 122%**](https://www.amazon.com/dp/B07V594FMT) [**Harbot 491588S 491588 Air Filter for 4915885 399959 4101 5043 5043A 5043D 5043H 5043K Flat Cleaner Cartridge 3.5-6.5 Hp Quantum Engines Lawn Mower Parts**Harbot**$7.96**4.5★**▲ 89%**](https://www.amazon.com/dp/B07C2WKP97) [**2 Packs 491588S Air Filter Lawn Mower Air Filter Flat OEM Air Cleaner Cartridge Compatible with Briggs and Stratton Toro 20332 Craftsman 3364**Haigelisi**$7.52**4.7★**▲ 88%**](https://www.amazon.com/dp/B0F5PKJKFK) [**491588s Air Filter Compatible with Briggs 491588 Toro 20332 2Pcs**WaruiTT**$6.47**4.7★**▲ 85%**](https://www.amazon.com/dp/B0BRHWJDDM) [**491588S Air Filter Air Cleaner Cartridge for BS Engines 1PCS**YOUSEMOT**$5.23**4.8★**▲ 62%**](https://www.amazon.com/dp/B0BN1X7NSV)
**~~View all trending →~~**
## **What buyers say about 491588s air filter briggs and stratton**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**45%
*“Excellent fit”*
**Value For Money**16%
*“Worth it”*
**Advertised Vs Actual Product**11%
*“As Advertised”*
**Quality-Overall**10%
*“I like quality OEM replacements”*
**Filtration**9%
*“Good Quality Filter”*
**Efficiency**2%
*“Work as good as name brand”*
**Maintenance And Repair**1%
*“Great product would recommend this product to anyone seeking to fix a mower”*
**Durability**1%
*“Very durable”*
**Ease Of Use**1%
*“Simple and cost effective”*
**Assembly/Installation**1%
*“Easy to install”*
### **What buyers complain about **
**Size-Overall**21%
*“Doesn't fit”*
**Filtration**16%
*“it looks like the filters are empty”*
**Compatibility-Overall**8%
*“These DO NOT fit TB 230 As Advertised”*
**Functionality-Overall**8%
*“that didn't work”*
**Quality-Overall**8%
*“Cheap”*
**Advertised Vs Actual Product**5%
*“These DO NOT fit TB 230 As Advertised”*
**Defective Material/Parts**5%
*“Swisher parts”*
**Value For Money**4%
*“Somewhat cheap”*
### **Top return reasons **
**Size-Overall**77%
**Filtration**7%
**Compatibility-Overall**5%
**Advertised Vs Actual Product**4%
**Value For Money**3%
**Functionality-Overall**2%
**Defective Material/Parts**1%
**Assembly/Installation**1%
**Maintenance And Repair**1%
**Quality-Overall**0%
## **Common questions**
- **Is 491588s air filter briggs and stratton profitable to sell on Amazon United States?**
- The niche generates $90K/yr across 18 tracked products. 90-day search growth is +83.3%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the 491588s air filter briggs and stratton niche?**
- 12 brands and 48 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in 491588s air filter briggs and stratton?**
- Top complaints mined from reviews: Size-Overall, Filtration, Compatibility-Overall. The return rate is 0.8%.
- **When does demand for 491588s air filter briggs and stratton peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 6.4× the quietest.
- **What does it cost to enter the 491588s air filter briggs and stratton niche?**
- Listings span $5.14–$18.06; the average listing price is $9.12 (sweet spot $15–$100). The average incumbent carries 2,310 reviews — the moat a new listing must climb.
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