john deere d140 blades
Worth a lookShows demand growing +146.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+146.3%90-day search growth — must beat 0% to launch
Avg price
Incredible$31.02avg listing price — sweet spot $15–$100
Price range
Incredible$24.56–$46.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.1%return rate — above 5% kills the launch gate
Conversion
Great9.6%search→purchase rate — share of searches ending in a sale
Review moat
Great487.68avg incumbent reviews — the moat a new listing must climb
Brand share
Good65%top-5 brand share — brands hold most of the demand
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$39K$39K/yr · 13K searches
According to Flapen's Amazon United States niche tracking, john deere d140 blades is a $39K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 62/100.
Data updated Jul 16, 2026 · scored weekly · How we score niches
john deere d140 blades market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $39K–$47K
- units × avg price
- Conversion rate
- 9.6%
- Avg BSR
- #799
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 37 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
31
Top-5 brand share
65%
Top 20: 100%
Top-5 click share
60%
Top 20: 100%
Open market
29%
- Grasscool24%
- UDC Parts17%
- John Deere12%
- wyevee6%
- GICOOL6%
- Belleone5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +146.3% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 13.6×
Top john deere d140 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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Grasscool 48 inch Deck JD E140 D140 Mower Mulching Blades Replacement
Grasscool$31.744.7★575 rev

UDC Parts GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21786 GX21784 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
UDC Parts$38.434.5★4,563 rev

John Deere OEM High Lift Mower Blade Kit 145 D 140 150 155 C 160 LA 130 140 145 165 X 165 GY20852
John Deere$46.844.7★1,022 rev

wyevee GY20852 High Lift Mower Blades for 48 Cut Deck GX21784 Mower Blades Compatible with John Dee re 145 155C D140 D150 D160 LA130 LA140 LA145 LA155 E160 Replace AM141035/GX21785/GX21785 3 Pack
wyevee$26.814.7★89 rev

GICOOL GY20852 GX21784 Mower Mulching Blades for John Deere 48 inch D140 E140 D160 E160 E170 E150 LA145 LA140 LA155 155C 48 Deck Lawn Mower Replace AM137757 AM141035 (3 Pack)
GICOOL$24.564.7★31 rev
Newest
by launch date
Fismiuta 48 inch Mower Blades for John Deere E140 D140 D160 E160 E170 E150 L120 LA145 LA140 Mulching Lawn Mower Blades with 7 Star Center Hole Replace Part AM137757 AM141035 GX21784 GY20852
Fismiuta$30.4124 rev

Chway GY20852 48 Lawn Mower Blades with 7 Point Star Shape Mulching Blade Compatible with John Deere D140 E140 E170 S140 48 Deck Zero Turn Lawn Tractor Replaces Number GX21784 AM137757 3 Pcs
Chway$27.3821 rev

QWD GY20852 Mower Blades 3 Pack for John Deere 48 Inch Deck 7 Point Star High Lift Blades Replacement for AM137757 AM141035 GX21784 GX21785 Fits D140 D150 D160 LA130 LA140 LA145 E140
QWD$25.5782 rev

GICOOL GY20852 GX21784 Mower Mulching Blades for John Deere 48 inch D140 E140 D160 E160 E170 E150 LA145 LA140 LA155 155C 48 Deck Lawn Mower Replace AM137757 AM141035 (3 Pack)
GICOOL$24.5631 rev

Belleone D140 Blades Compatible with John Dee re 48 inch Mower GY20852 Mower Blades Replaces for GX21784 AM137757 AM141035 E160 E170 D155 E140 LA145 LA130 Z255 Z355E S170 3 Pack
Belleone$25.5725 rev
Trending
90-day click momentum
QWD GY20852 Mower Blades 3 Pack for John Deere 48 Inch Deck 7 Point Star High Lift Blades Replacement for AM137757 AM141035 GX21784 GX21785 Fits D140 D150 D160 LA130 LA140 LA145 E140
QWD$25.574.8★

Fismiuta 48 inch Mower Blades for John Deere E140 D140 D160 E160 E170 E150 L120 LA145 LA140 Mulching Lawn Mower Blades with 7 Star Center Hole Replace Part AM137757 AM141035 GX21784 GY20852
Fismiuta$30.414.7★

GICOOL GY20852 GX21784 Mower Mulching Blades for John Deere 48 inch D140 E140 D160 E160 E170 E150 LA145 LA140 LA155 155C 48 Deck Lawn Mower Replace AM137757 AM141035 (3 Pack)
GICOOL$24.564.7★

Chway GY20852 48 Lawn Mower Blades with 7 Point Star Shape Mulching Blade Compatible with John Deere D140 E140 E170 S140 48 Deck Zero Turn Lawn Tractor Replaces Number GX21784 AM137757 3 Pcs
Chway$27.384.6★

Belleone D140 Blades Compatible with John Dee re 48 inch Mower GY20852 Mower Blades Replaces for GX21784 AM137757 AM141035 E160 E170 D155 E140 LA145 LA130 Z255 Z355E S170 3 Pack
Belleone$25.574.5★
What buyers say about john deere d140 blades
What buyers praise and complain about, mined from review topics.What buyers love
“Fit my mower perfectly”
“Good price”
“Good blades”
“Quality blades”
“ready to install”
“They are durable so far”
“As advertised”
“makes the job much easier with basic tools”
“they delivered a clean”
“They are balanced well”
What buyers complain about
“Does not fit the John Deere S140”
“Does not fit jd425 ztr mower as advertised”
“possibly thicker than the current set”
“there was noticeable vibration that made the install experience more frustrating than it should have been”
“Did not last long”
“The blade is not machined out to compensate for the nut width”
“They work; they are extremely difficult to sharpen due to multiple angles where the blade is bent when being made”
“These feel slightly heavier”
“don't seem to cut any better than any others I've used”
“These are a bit less expensive than the other set”
Top return reasons
Common questions
- Is john deere d140 blades profitable to sell on Amazon United States?
- The niche generates $39K/yr across 19 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +146.3%. Flapen's verdict: Worth a look (62/100).
- How competitive is the john deere d140 blades niche?
- 17 brands and 31 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in john deere d140 blades?
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Thickness. The return rate is 1.1%.
- When does demand for john deere d140 blades peak?
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 13.6× the quietest.
- What does it cost to enter the john deere d140 blades niche?
- Listings span $24.56–$46.84; the average listing price is $31.02 (sweet spot $15–$100). The average incumbent carries 488 reviews — the moat a new listing must climb.