420 2021 and newer with plastic engine mount

Gardena Sileno(Klippmotor/Display)

but if it has gradually deteriorated

This gear is milled and machined from steel and not pressed from powder like the original

Planetkugghjul stål Linix 3st Husqvarna Automower 320 330X 420 430X 435X 440 450X 520 550320 330X 420 430X 435X 440 450X 520 550 420 2021 and newer withSteel planetary gears that is installed closest to the wheel. Fits: 220AC 305 308 Early 320Gardena R160, several other Gardena. Suitable for example article number: 5026336 Check the appearance against the image below, If the gearbox is black with the text LINIX, it fits. Characteristics: Hardened milled gears in high quality steel in house production. Contains: 3x Planetary gears