Proline® oil pump worm gear and spring for Stihl MS270, MS271, MS280, MS291 plus many more see list below. Please match you part with ours for proper fitment; actual pictures shown. Parts are Not made in China.
Includes:
- Worm gear
- Spring
Replaces Stihl OEM #:
- 1133 640 7100, 11336407100
Suitable for the following applications:
- MS270, MS270C, MS280, MS280C, MS271, MS271C, MS291, MS291C