Starter spring.

Compatibility, among others:
Jonsered 450
Jonsered 455
Jonsered 510SP
Jonsered 520
Jonsered 525
Jonsered 535

Replaces the original numbers:
Husqvarna 5042126-06
03-151
16-151-00

ROTARY is a US company that manufactures over 11 million
lawn mower blades per year for the world’s leading mower manufacturers.
Continuous product development guarantees the best cutting properties for your machine.
A wide selection covers spare parts and accessories for lawnmowers and chainsaws.