Proline® piston kit for Stihl FS40 FS45 FS50 FS56 FS56R plus many more see list below. This will not fit the older FS56 (4123 series)Verify that this is the correct part for your model BEFORE purchasing, as some models listed used more than one style/part number, depending on manufacture date. Please match you part with ours for proper fitment; actual pictures shown. This kit is Not made in China.
Includes:
- Piston
- Ring
- Circlips
- Wrist pin
Specs:
- 34mm
- Will Not fit older FS56 4123 series trimmers
Replaces Stihl OEM #:
- 4144 030 2002
Suitable for the following applications:
- FS56, FS56C, FS56R, FS56RC, FS40, FS40C, FS50, FS50C, FS38, FS45, FS45C, FS45L, FS46, FS46C, FC56C, HT56C, KM56C, KM56RC