Mower blades
Greenworks 2920407
The maker’s own 46 cm blade, named for five machines and stated to fit two sister brands as well.
What the maker prints on its own page
A 46 cm replacement blade of robust metal for the maker’s mowers, easy to
change with a single screw turn. It is stated as compatible with five named
cordless machines, and also with the equivalent models of two sister brands.
The delivery contains one 46 cm original blade.
Rebadging, named out loud
The most useful line in this listing is the one about the two sister brands.
A great deal of garden machinery is the same design sold under different names,
and it is almost never stated. A buyer with a machine from one of those brands
would have no reason to look at a blade sold under another.
Saying so doubles the population this part serves, and it is honest about
something the trade usually leaves implicit.
One screw
A small statement with a real consequence. A blade held by a single central
bolt is a five-minute job with one spanner; one held by a bolt, a clamping
washer and a set of locating collars is an afternoon and a lost part.
For a component that should be sharpened once a season, how easily it comes off
decides whether it gets sharpened at all.
What is not there
Any dimension. No bore, no fixing arrangement, no thickness.
That is the standard shape of an original-part listing on this shelf, and it
cuts both ways: complete certainty for the five named machines, and nothing at
all for anybody else.
Two listings on this shelf publish the full caliper set, and they are the ones
an owner of an unlisted machine can actually use.
The prices
The spread across the six markets on this one is among the widest on the site.
This page reports the figure read in each market on the survey date rather than
converting one into another — a converted price is a price nobody was charged.
Availability
From 19 € to 21 €, that being the spread across the German, French and Italian Amazon stores on the day of the survey.
Beyond the euro zone, the American and British Amazon stores price it in their own currencies, which the spread above sets aside.
More than 1.6× the cheapest country at the Spanish Amazon store; a gap of that size normally means forwarded stock rather than a seller on the ground, so the spread above leaves it out.
Taken from Keepa on the day this page was last revised; stock and prices move without notice.
Prices quoted in this text were read on 26 September 2026. The live price is at the top of the page.