Greenworks 21 Inch Mower Blade
MaybeSearch demand grew +173.5% this quarter. But shoppers spend an estimated $67K a year here, so Greenworks 21 Inch Mower Blade is a Maybe.
- Flapen Score
- 55 / 100Ranks 4,476 of 8,839 Patio, Lawn & Garden niches · −1 vs the category median of 5655
- Market size
- $67K/yr46K searches / yr
- 90-day growth
- +173.5%search demand this quarter
- Competition
- 69%top-5 click share · 10 brands · 17 sellers
Flapen Score
Greenworks 21 Inch Mower Blade against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Greenworks 21 Inch Mower Blade is stronger. Inside it, weaker.
Market
The Greenworks 21 Inch Mower Blade market on Amazon at a glance
Shoppers on Amazon United States searched for Greenworks 21 Inch Mower Blade 46K times last year and spent an estimated $67K. The top 5 brands take 87% of clicks. Demand peaks in Apr–May–Jun–Jul–Aug. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 5.7% of those searches ended in a purchase.
Shoppers searched for this 46K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.7% of those searches ended in a purchase. Searches in the last 90 days moved +173.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $67K a year.
- Searches, last 12 months
- 46K
- Growth, 90 days vs prior 90
- +173.5%
- Conversion, latest week
- 5.7%
- Market size, estimated
- $67Ka year
- Peak month
- May18.1× the quietest month
- Top search term
- greenworks 21 inch mower blade12K searches a year
02 · Price
A sale here is worth $25.63.
Listings sell for $25.63 on average, from $15.64 to $38.42. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $25.63 that is $3K to $6K a year per listing.
- Average price
- $25.63inside the $15 to $100 sweet spot
- Price range
- $15.64–$38.42
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$6K
- Returns
- 2.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
65% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.9% of listings are out of stock. The average listing ranks #610 within Lawn Mower Parts & Accessories. It carries 653 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 65%
- Prime listings
- 100%
- Out of stock, average day
- 2.9%
- Average rank
- #610in Lawn Mower Parts & Accessories
- Average rating
- 4.48 starsAmazon United States average 4.42 stars
- Average reviews
- 653per listing
- Listings tracked
- 17
04 · Newcomers
2 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 39 months on average, so the names here are settling in.
- Launched, last 12 months
- 8
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 39 months
Products
Top Greenworks 21 Inch Mower Blade products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Greenworks Replacement Lawn Mower Blade (21 Mowers : MO40L4413 MO40L03 MO48L4422)
- Price
- $24.72
- Rating
- 4.6/5
- Reviews
- 376
- Age
- 3y ago

Greenworks 2905203 Blade for 21 Mower Black
- Price
- $22.27
- Rating
- 4.7/5
- Reviews
- 139
- Age
- 3y ago

Fismiuta 21 inch Lawn Mower Blade Compatible with Greenworks 21 Deck Mower Circle Mulching Replacement Lawn Mower Blade Replacement Model MO40L03 MO48L4422 MO40L4413
- Price
- $22.51
- Rating
- 4.5/5
- Reviews
- 45
- Age
- 5mo ago

SWAPARTS Lawn Mower Blade for Greenworks 21 inch Mower C3208101 MO40L4413 MO40L03 MO48L4422
- Price
- $21.13
- Rating
- 4.5/5
- Reviews
- 522
- Age
- 2y ago

GICOOL 1-Pack 21 Lawn Mower Blade Compatible with Greenworks 21 Deck Mower Replaces Models MO40L03 MO48L4422 MO40L4413
- Price
- $21.49
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 8mo ago
Trending
estimated 90-day click momentum
25322 25242 16 inch Lawn Mower Blade Compatible with Greenworks 16 Corded Mower Circle Mulching Lawn Mower Blade Replacement Part 33303488 29512 for Greenworks
- Price
- $20.99
- Rating
- 4.5/5
- Reviews
- 45
- Age
- 5mo ago

Sthovd MO48L4422 Lawn Mower Blade Compatible with Greenworks 21 inch
- Price
- $19.65
- Rating
- 3.9/5
- Reviews
- 5
- Age
- 3mo ago

21 Inch Mower Blade 2 Pack Lawn Mower Blade Compatible with Greenworks 21 inch Mower Blade Fits MO40L03 MO48L4422 MO40L4413 C3208101 Lawn Mower Heavy Duty Sharp Replacement Blade
- Price
- $35.24
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 3mo ago

Wadoy Lawn Mower Blade 2 Pack Compatible with Greenworks 21 Inch Replacement Part for MO40L03 MO48L4422 MO40L4413 C3208101 Green Color
- Price
- $35.85
- Rating
- 4.6/5
- Reviews
- 103
- Age
- 3mo ago

Dichallu 21 inch Mower Replacement Blade for Kobalt/Greenworks C3208101 MO40L4413 MO40L03 MO48L4422 (Black 2 Pack)
- Price
- $36.53
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 5mo ago
Newest
by launch date
21 Inch Mower Blade 2 Pack Lawn Mower Blade Compatible with Greenworks 21 inch Mower Blade Fits MO40L03 MO48L4422 MO40L4413 C3208101 Lawn Mower Heavy Duty Sharp Replacement Blade
- Price
- $35.24
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 3mo ago

Sthovd MO48L4422 Lawn Mower Blade Compatible with Greenworks 21 inch
- Price
- $19.65
- Rating
- 3.9/5
- Reviews
- 5
- Age
- 3mo ago

Wadoy Lawn Mower Blade 2 Pack Compatible with Greenworks 21 Inch Replacement Part for MO40L03 MO48L4422 MO40L4413 C3208101 Green Color
- Price
- $35.85
- Rating
- 4.6/5
- Reviews
- 103
- Age
- 3mo ago

Dichallu 21 inch Mower Replacement Blade for Kobalt/Greenworks C3208101 MO40L4413 MO40L03 MO48L4422 (Black 2 Pack)
- Price
- $36.53
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 5mo ago

Fismiuta 21 inch Lawn Mower Blade Compatible with Greenworks 21 Deck Mower Circle Mulching Replacement Lawn Mower Blade Replacement Model MO40L03 MO48L4422 MO40L4413
- Price
- $22.51
- Rating
- 4.5/5
- Reviews
- 45
- Age
- 5mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.
Brands
10 rising
Sellers
17
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
69%
Top 20: 100%
Open market
9%
- Greenworks55%
- Fismiuta11%
- SWAPARTS8%
- Wadoy7%
- GICOOL7%
- DAOLONG5%
- Open — no brand owns it (4 brands, 9%)
Demand
Greenworks 21 Inch Mower Blade search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 18.1×
Search terms
Top Greenworks 21 Inch Mower Blade search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- greenworks 21 inch mower blade12K/yr
- greenworks lawn mower blade9K/yr
- greenworks mower blade8K/yr
- kobalt 21 inch mower blade6K/yr
- greenworks blade3K/yr
- greenworks replacement blade3K/yr
- greenworks blade replacement3K/yr
- greenworks lawn mower blades2K/yr
Reviews and returns
What reviews say buyers love and hate about Greenworks 21 Inch Mower Blade
We read the reviews and the return reasons for every product selling here.
“it was actually an inch short”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Greenworks 21 Inch Mower Blade questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









