---
title: "20 Inch Lawn Mower Blade — $30K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/20-inch-lawn-mower-blade"
last_updated: "2026-08-09T03:56:54.238Z"
locale: en
meta:
  description: "Niche score 66/100 · $30K/yr market · 33K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 66/100 · $30K/yr market · 33K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "20 Inch Lawn Mower Blade — $30K/yr Amazon US Niche (2026) - Flapen"
---

# **20 inch lawn mower blade**

**Worth a look**

Shows demand growing +165.1% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 7Growth 96Conversion 51Competition 76Returns 64Price range 92Avg price 94Brand share 89Review moat 75Quality gap 53

**Growth**

**Incredible****+165.1%**

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

**Avg price**

**Great****$22.44**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.20–$38.14**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Great****46%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****39%**

top-5 click share — an open shelf

**Review moat**

**Great****490.51**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.1%**

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

**Market size**

**Bad****$30K**

$30K/yr · 33K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, 20 inch lawn mower blade is a $30K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 66/100.

Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **20 inch lawn mower blade market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$34K–$45K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,551**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**74%**</dd>

<dt>**Out of stock**</dt><dd>**4.3%**</dd>

<dt>**Avg brand age**</dt><dd>**50 months**</dd>

<dt>**Avg seller age**</dt><dd>**165 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.

**Brands**

**27 **▲rising

**Sellers**

**61**

**Top-5 brand share**

**46%**

Top 20: 93%

**Top-5 click share**

**39%**

Top 20: 84%

**Open market**

**49%**

- Grasscool14% - Greenworks13% - Bularie7% - Belleone7% - Stens6% - SCITOO5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +165.1% search growth over the last 90 days.

1K750Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 16.0×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/20-inch-lawn-mower-blade/trend)

## **Top 20 inch lawn mower blade search terms**

- **20 inch lawn mower blade**10K/yr+111.0%2.9% conv. - **20 inch mower blade**8K/yr+202.8%2.2% conv. - **20 lawn mower blade**5K/yr+205.3%3.2% conv. - **20 mower blade**4K/yr+201.2%2.8% conv. - **murray 20 inch lawn mower blade**3K/yr+251.0%7.1% conv. - **hyper tough 20 inch mower blade**3K/yr+74.1%10.2% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/20-inch-lawn-mower-blade/search-terms)

## **Top 20 inch lawn mower blade 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%4%$1K8%$2K12%$4K16%$5K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)](https://m.media-amazon.com/images/I/319LJyj-WfL.jpg)**Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)**Grasscool**$22.05**4.3★32 rev](https://www.amazon.com/dp/B0FT78CJZM) [2![Greenworks Replacement Lawn Mower Blade (Fits : 20 Mower / MO48L4210 / MO48L4212 / MO48L4210-D)](https://m.media-amazon.com/images/I/31WQTA0O6oL.jpg)**Greenworks Replacement Lawn Mower Blade (Fits : 20 Mower / MO48L4210 / MO48L4212 / MO48L4210-D)**Greenworks**$24.62**4.5★3,378 rev](https://www.amazon.com/dp/B0B795RW1Q) [3![Belleone 2105300125A Lawn Mower Blade with Oval Center Holes Compatible with Hyper Tough 20inch Mower Blade Fit for MNA152505 MNA152701 MNA152516 Replaces 101000001 1 Pack](https://m.media-amazon.com/images/I/21j8rfwgOhL.jpg)**Belleone 2105300125A Lawn Mower Blade with Oval Center Holes Compatible with Hyper Tough 20inch Mower Blade Fit for MNA152505 MNA152701 MNA152516 Replaces 101000001 1 Pack**Belleone**$22.61**4.3★70 rev](https://www.amazon.com/dp/B0DQTJT3KV) [4![Bularie 2105300125A Lawn Mower Blade with Oval Center Holes Compatible with 20 Oregon Daye/Hyper Tough Lawn Mower Deck Fit for MNA152505 MNA152701 MNA152516 Replaces 101000001 (1 Pack)](https://m.media-amazon.com/images/I/21rYpdKKooL.jpg)**Bularie 2105300125A Lawn Mower Blade with Oval Center Holes Compatible with 20 Oregon Daye/Hyper Tough Lawn Mower Deck Fit for MNA152505 MNA152701 MNA152516 Replaces 101000001 (1 Pack)**Bularie**$22.64**4.6★86 rev](https://www.amazon.com/dp/B0CT7FYG7C) [5![SCITOO Lawn Mower Blade Fits 20 Inch Deck for Hyper Tough MNA152701 Mowers 2105300125A](https://m.media-amazon.com/images/I/21Bzdoj+rxL.jpg)**SCITOO Lawn Mower Blade Fits 20 Inch Deck for Hyper Tough MNA152701 Mowers 2105300125A**SCITOO**$14.20**4.2★26 rev](https://www.amazon.com/dp/B0F993JPMS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![UDC Parts 2105300125A Lawn Mower Blades Replacement for Hyper Tough 20 Inch 101000001 Daye MNA152516 MNA152701 MNA152505 Push Mower / 2 Pack High Lift](https://m.media-amazon.com/images/I/31GR1ks8rOL.jpg)**UDC Parts 2105300125A Lawn Mower Blades Replacement for Hyper Tough 20 Inch 101000001 Daye MNA152516 MNA152701 MNA152505 Push Mower / 2 Pack High Lift**UDC Parts**$29.01**4,563 rev8mo ago](https://www.amazon.com/dp/B0FZTNPC5Z) [![Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)](https://m.media-amazon.com/images/I/319LJyj-WfL.jpg)**Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)**Grasscool**$22.05**32 rev9mo ago](https://www.amazon.com/dp/B0FT78CJZM) [![GBAuto 20 Inch Mulching Blade 2105300125A Lawn Mower Blade Replacement for Daye Hyper Tough Murray Walk-Behind Mower Deck Fit MNA152505 MNA152701 MNA152516 Replaces 212-9903 355-101 (1 Pack)](https://m.media-amazon.com/images/I/31ATVMRazPL.jpg)**GBAuto 20 Inch Mulching Blade 2105300125A Lawn Mower Blade Replacement for Daye Hyper Tough Murray Walk-Behind Mower Deck Fit MNA152505 MNA152701 MNA152516 Replaces 212-9903 355-101 (1 Pack)**GBAuto**$23.36**13 rev1y ago](https://www.amazon.com/dp/B0FC67HSWP) [![SCITOO Lawn Mower Blade Fits 20 Inch Deck for Hyper Tough MNA152701 Mowers 2105300125A](https://m.media-amazon.com/images/I/21Bzdoj+rxL.jpg)**SCITOO Lawn Mower Blade Fits 20 Inch Deck for Hyper Tough MNA152701 Mowers 2105300125A**SCITOO**$14.20**26 rev1y ago](https://www.amazon.com/dp/B0F993JPMS) [![Fourtry 942-0640 Blade Compatible with 20 Deck MTD Yard Machines Walk Behinds Replaces OEM-742-0640 942-0640 742-0640 490-100-M115 1 Pack](https://m.media-amazon.com/images/I/21FHEKKBO-L.jpg)**Fourtry 942-0640 Blade Compatible with 20 Deck MTD Yard Machines Walk Behinds Replaces OEM-742-0640 942-0640 742-0640 490-100-M115 1 Pack**Fourtry**$22.25**22 rev1y ago](https://www.amazon.com/dp/B0DZWHDCMH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Parts Manuf. 2105300125A Blade 20 Daye/Hyper Tough MNA152701. Case of 2](https://m.media-amazon.com/images/I/219nIdD8uEL.jpg)**Parts Manuf. 2105300125A Blade 20 Daye/Hyper Tough MNA152701. Case of 2**Parts**$23.89**4.5★**▲ 76%**](https://www.amazon.com/dp/B095PSTCHM) [![Keycci Lawn Mower Blade Replacement Compatible with 20 Corded Mowers 25022 25222 25112 Heavy Duty Blade Replaces 29423 29172](https://m.media-amazon.com/images/I/21eqQYuYp8L.jpg)**Keycci Lawn Mower Blade Replacement Compatible with 20 Corded Mowers 25022 25222 25112 Heavy Duty Blade Replaces 29423 29172**Keycci**$19.66**4.0★**▲ 73%**](https://www.amazon.com/dp/B0DSMHKPD8) [![UDC Parts 2105300125A Lawn Mower Blades Replacement for Hyper Tough 20 Inch 101000001 Daye MNA152516 MNA152701 MNA152505 Push Mower / 2 Pack High Lift](https://m.media-amazon.com/images/I/31GR1ks8rOL.jpg)**UDC Parts 2105300125A Lawn Mower Blades Replacement for Hyper Tough 20 Inch 101000001 Daye MNA152516 MNA152701 MNA152505 Push Mower / 2 Pack High Lift**UDC Parts**$29.01**4.5★**▲ 72%**](https://www.amazon.com/dp/B0FZTNPC5Z) [![Bularie 2105300125A Lawn Mower Blade with Oval Center Holes Compatible with 20 Oregon Daye/Hyper Tough Lawn Mower Deck Fit for MNA152505 MNA152701 MNA152516 Replaces 101000001 (2 Pack)](https://m.media-amazon.com/images/I/31pPxATnxFL.jpg)**Bularie 2105300125A Lawn Mower Blade with Oval Center Holes Compatible with 20 Oregon Daye/Hyper Tough Lawn Mower Deck Fit for MNA152505 MNA152701 MNA152516 Replaces 101000001 (2 Pack)**Bularie**$30.77**4.6★**▲ 63%**](https://www.amazon.com/dp/B0CT7SGXFH) [![Greenworks Replacement Lawn Mower Blade (Fits : 20 Mower / MO48L4210 / MO48L4212 / MO48L4210-D)](https://m.media-amazon.com/images/I/31WQTA0O6oL.jpg)**Greenworks Replacement Lawn Mower Blade (Fits : 20 Mower / MO48L4210 / MO48L4212 / MO48L4210-D)**Greenworks**$24.62**4.5★**▲ 61%**](https://www.amazon.com/dp/B0B795RW1Q)

**~~View all trending →~~**

## **What buyers say about 20 inch lawn mower blade**

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

### **What buyers love **

**Size-Overall**48%

*“Exact fit”*

**Quality-Overall**10%

*“Blade appears to be of good quality”*

**Cutting/Trimming**8%

*“Good cut”*

**Advertised Vs Actual Product**8%

*“Exactly a match”*

**Value For Money**7%

*“Good Deal, Works like a Charm”*

**Assembly/Installation**5%

*“Easy install”*

**Ease Of Use**2%

*“Very easy to change”*

**Correct Contents**1%

*“It was the correct part”*

**Product Condition**1%

*“Made mower run like new again”*

**Durability**1%

*“Durable”*

### **What buyers complain about **

**Size-Overall**41%

*“STENS blade won't fit the mower”*

**Ease Of Cleaning**9%

*“Had a little problem removing old blades”*

**Weight Heavy**9%

*“Feels slightly heavier than original blade”*

**Cutting/Trimming**9%

*“Blade is extremely dull”*

**Thickness**5%

*“It's a thin cheap blade”*

**Assembly/Installation**3%

*“installation is the opposite”*

### **Top return reasons **

**Size-Overall**68%

**Advertised Vs Actual Product**16%

**Mounting**6%

**Defective Material/Parts**2%

**Functionality-Overall**2%

**Value For Money**1%

**Mechanism Issues**1%

**Shape/Style**1%

**Maintenance And Repair**1%

**Product Condition**0%

## **Common questions**

<dl>

<dt>**Is 20 inch lawn mower blade profitable to sell on Amazon United States?**</dt><dd>The niche generates $30K/yr across 35 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +165.1%. Flapen's verdict: Worth a look (66/100).</dd>

<dt>**How competitive is the 20 inch lawn mower blade niche?**</dt><dd>27 brands and 61 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 46% of demand.</dd>

<dt>**What do buyers complain about in 20 inch lawn mower blade?**</dt><dd>Top complaints mined from reviews: Size-Overall, Ease Of Cleaning, Weight Heavy. The return rate is 2.5%.</dd>

<dt>**When does demand for 20 inch lawn mower blade peak?**</dt><dd>Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 16.0× the quietest.</dd>

<dt>**What does it cost to enter the 20 inch lawn mower blade niche?**</dt><dd>Listings span $14.20–$38.14; the average listing price is $22.44 (sweet spot $15–$100). The average incumbent carries 491 reviews — the moat a new listing must climb.</dd>

</dl>

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