Proline® piston kit 46mm for Stihl BR400, BR420, SR400 blowers and sprayers. Please match you part with ours for proper fitment; actual pictures shown. This kit is Not made in China.
Includes:
- Piston
- Piston ring
- Circlips
- Wrist pin
Specs:
- 46mm
Replaces Stihl OEM #
- 4203 030 2001, 42030302001