---
title: "John Deere 42 Inch Mower Blades — $278K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/john-deere-42-inch-mower-blades"
last_updated: "2026-08-11T07:06:19.224Z"
locale: en
meta:
description: "Niche score 65/100 · $278K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 65/100 · $278K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "John Deere 42 Inch Mower Blades — $278K/yr Amazon US Niche (2026) - Flapen"
---
# **john deere 42 inch mower blades**
**Worth a look**
Shows demand growing +154.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 50Growth 96Conversion 69Competition 42Returns 95Price range 95Avg price 95Brand share 42Review moat 62Quality gap 38
**Growth**
**Incredible****+154.9%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$32.29**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$24.61–$46.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.3%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,034.86**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$278K**
$278K/yr · 136K searches
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, john deere 42 inch mower blades is a $278K/yr Amazon United States market (136K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 65/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **john deere 42 inch mower blades market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **$258K–$323K**
- units × avg price
- **Conversion rate**
- **6.3%**
- **Avg BSR**
- **#383**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **95%**
- **Out of stock**
- **1.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**34**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 98%
**Open market**
**15%**
- UDC Parts34% - Grasscool20% - GICOOL10% - BCQNXX8% - John Deere7% - Maxpower6% - Open — no brand owns it (6 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +154.9% search growth over the last 90 days.
5K3KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 14.2×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/john-deere-42-inch-mower-blades/trend)
## **Top john deere 42 inch mower blades search terms**
- **john deere 42 inch mower blades**27K/yr+174.3%4.7% conv. - **john deere mower blades**17K/yr+134.0%1.4% conv. - **john deere lawn mower blades**9K/yr+255.3%1.2% conv. - **john deere s100 blades**8K/yr+174.7%7.1% conv. - **john deere d110 blades**8K/yr+172.6%9.2% conv. - **john deere d130 blades**7K/yr+163.0%9.0% conv. - **john deere mower blades 42 inch deck**6K/yr+150.8%4.1% conv. - **john deere blades 42 inch**6K/yr+136.1%3.1% conv. - **gy20850**5K/yr+188.7%6.2% conv. - **john deere d105 blades**5K/yr+139.6%9.6% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/john-deere-42-inch-mower-blades/search-terms)
## **Top john deere 42 inch mower blades 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%$28K20%$56K30%$83K40%$111K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**UDC Parts GY20850 John Deere 42 Inch Mower Blades Replace D105 D130 D110 S100 GX22151 E130 Z225 E120 D100 D125 E110 LA125 LA115 LA105 AM141033 Lawn Tractor Riding Mower/Gator Mulching / 2 Pack**UDC Parts**$34.53**4.5★4,563 rev](https://www.amazon.com/dp/B0CPM69616) [2**Grasscool AM141034 42 inch Deck Mower High Lift Blades Replacement 7 Star for John D-eere D110 D130 D105 D125 X300 LA135 42 Zero Turn Lawn Tractor AM137327-Heavy Duty**Grasscool**$29.63**4.7★602 rev](https://www.amazon.com/dp/B09ZYJQXYM) [3**BCQNXX AM141034 Lawn Mower High Lift Blade for 42 Inch Deck John Deere D105 D110 LT160 LA135 Z225 - Heavy Duty Blade Replaces AM141034 AM141032 M154062 AM137327 M154061-2 Pack**BCQNXX**$29.25**4.7★245 rev](https://www.amazon.com/dp/B0CRDGVCWD) [4**Grasscool GY20850 42 inch Deck D130 S100 Mower Mulching Blades Replacement**Grasscool**$27.27**4.3★174 rev](https://www.amazon.com/dp/B0DF6ZNV2V) [5**Maxpower 561811B USA MADE 2 Blade Set 3-N-1 Style**Maxpower**$35.02**4.6★3,644 rev](https://www.amazon.com/dp/B008KRMBJI)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**UDC Parts UC22008 Mower Blades Replacement for John Deere 42 Inch Z335E Z345R Z345M Zero Turn M170642 Z315E Z320M Z335M Z320R S220 / 2 Pack Mulching**UDC Parts**$35.53**4,563 rev4mo ago](https://www.amazon.com/dp/B0FS83X92P) [**UDC Parts AM137327 Side Discharge Mower Blades Replacement for John Deere 42 Inch AM141034 D105 D130 D110 S100 EZtrak Z235 Z225 M154061 AM141032 E130 E120 D100 D125 E110 LA125 LA115 / 2 Pack High lift**UDC Parts**$33.19**4,563 rev4mo ago](https://www.amazon.com/dp/B0FS827K8F) [**Fismiuta GY20850 S100 42 Inch Mower Blades for John D-eere with 7 Star Mounting Pattern D100 D105 D110 D120 S110 S120 42 Deck Lawn Tractor Riding Mower Replace GX22151 AM131033 (2 Pack)**Fismiuta**$32.40**42 rev5mo ago](https://www.amazon.com/dp/B0GHR6PJRT) [**Fismiuta 42 Inch Mower Blade for John Deere Mulching Lawn Mower Blades for John Deere 42 Deck with Circle Hole L100 L110 L111 L108 L118 Lawn Tractor Replace GX20249 GX20433 GY20567**Fismiuta**$27.00**14 rev5mo ago](https://www.amazon.com/dp/B0GHQHPX61) [**GICOOL AM141034 Lawn Mower Blade for John Deere D130 D110 D105 D125 X300 Z225 Z235 LA135 for 42 Mower Deck Replaces AM137327 AM141032 2-Pack**GICOOL**$27.70**39 rev8mo ago](https://www.amazon.com/dp/B0G2KWLNRG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fismiuta 42 Inch Mower Blade for John Deere Mulching Lawn Mower Blades for John Deere 42 Deck with Circle Hole L100 L110 L111 L108 L118 Lawn Tractor Replace GX20249 GX20433 GY20567**Fismiuta**$27.00**4.7★**▲ 95%**](https://www.amazon.com/dp/B0GHQHPX61) [**Fismiuta GY20850 S100 42 Inch Mower Blades for John D-eere with 7 Star Mounting Pattern D100 D105 D110 D120 S110 S120 42 Deck Lawn Tractor Riding Mower Replace GX22151 AM131033 (2 Pack)**Fismiuta**$32.40**4.5★**▲ 83%**](https://www.amazon.com/dp/B0GHR6PJRT) [**GICOOL GY20850 Mulching Blades for John Deere 42 inch Deck 7-Point Star Mower Blades for D110 D130 D105 S100 E100 E120 E130 Z225 LA105 Replace GX22151 AM141033 AM141031 2-Pack**GICOOL**$26.82**4.4★**▲ 80%**](https://www.amazon.com/dp/B0G2KX6DHW) [**GICOOL GX20249 Mulching Mower Blades for John De ere 42 Inch L100 L110 L111 L118 LA100 LA105 Replaces OEM GX20249 GX20433 GY20567 M128485 11/16 Round Center Hole**GICOOL**$25.32**4.8★**▲ 69%**](https://www.amazon.com/dp/B0G2KVV2CY) [**GICOOL AM141034 Lawn Mower Blade for John Deere D130 D110 D105 D125 X300 Z225 Z235 LA135 for 42 Mower Deck Replaces AM137327 AM141032 2-Pack**GICOOL**$27.70**4.4★**▲ 67%**](https://www.amazon.com/dp/B0G2KWLNRG)
**~~View all trending →~~**
## **What buyers say about john deere 42 inch mower blades**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**29%
*“Fit was perfect as expected”*
**Cutting/Trimming**18%
*“Great blades”*
**Quality-Overall**13%
*“the build quality looks promising”*
**Value For Money**13%
*“Half the price”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Assembly/Installation**5%
*“No problems installing”*
**Durability**4%
*“Durable”*
**Weight Heavy**2%
*“Heavy duty”*
**Thickness**1%
*“I love my lawn thick”*
**Ease Of Use**1%
*“They go on easy”*
### **What buyers complain about **
**Size-Overall**35%
*“Didnt fit”*
**Quality-Overall**11%
*“Not good quality control”*
**Assembly/Installation**8%
*“After installation and activation of the blades it was obvious they were hitting something”*
**Thickness**6%
*“Thin material”*
**Value For Money**6%
*“The value is average”*
**Metal Quality**5%
*“Beefier steel”*
**Cutting/Trimming**5%
*“they didn't cut at all”*
**Mounting**3%
*“Bolts up,”*
**Defective Material/Parts**3%
*“The blades are made incorrectly”*
**Maintenance And Repair**3%
*“Not sure if I'll just let them bang each other into submission or if I should replace”*
### **Top return reasons **
**Size-Overall**50%
**Advertised Vs Actual Product**21%
**Mounting**8%
**Defective Material/Parts**5%
**Functionality-Overall**3%
**Cutting/Trimming**2%
**Shape/Style**2%
**Value For Money**1%
**Mechanism Issues**1%
**Compatibility-Overall**1%
## **Common questions**
- **Is john deere 42 inch mower blades profitable to sell on Amazon United States?**
- The niche generates $278K/yr across 21 tracked products. 7 of 9 products launched in the last 360 days are still selling. 90-day search growth is +154.9%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the john deere 42 inch mower blades niche?**
- 12 brands and 34 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in john deere 42 inch mower blades?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Assembly/Installation. The return rate is 1.0%.
- **When does demand for john deere 42 inch mower blades peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 14.2× the quietest.
- **What does it cost to enter the john deere 42 inch mower blades niche?**
- Listings span $24.61–$46.84; the average listing price is $32.29 (sweet spot $15–$100). The average incumbent carries 1,035 reviews — the moat a new listing must climb.
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