This ignition module is a genuine Stihl OEM part for the 017 and MS 170 series chainsaws, designed to restore reliable spark and consistent running. Identified by MPN 1130 400 1300, it replaces a worn or failed coil to bring back easy starting, clean acceleration and stable idle. The module is a compact, resin-encapsulated electronic coil with a laminated steel core and copper windings, built to handle heat, vibration and regular use in two‐stroke engines. It works in sync with the flywheel magnet to generate and time the spark sent to the spark plug via the high‐tension lead. A direct-fit replacement for compatible models, it supports dependable performance for both professional and domestic cutting tasks.

Key Features:
– Genuine Stihl part (OEM) for assured fit and function on 017/MS 170 platforms
– Reliable cold and hot starting, with smooth idle and strong pick‐up under load
– Durable construction resists heat, vibration and fuel/oil exposure in daily use
– Calibrated to factory specifications for consistent timing and ignition energy
– Direct replacement using existing mounting points and connectors
– Helps reduce misfires, poor running and hard‐starting symptoms caused by a weak coil
– Suitable for routine maintenance or a like‐for‐like swap during engine overhaul
– Backed by Stihl’s design standards for compatibility and service life

Typical Applications:
Restoring spark and dependable running on Stihl 017/MS 170 chainsaws used for pruning, logging, firewood cutting, grounds maintenance and general landscaping. Useful for professional arborists, site work, farm and estate upkeep, as well as domestic users who need a trustworthy start and steady performance.

Also known as:
Coil pack, magneto, CDI unit, high‐tension coil, spark ignition unit, electronic coil assembly.

Fits Models:
017, MS 170, MS 170 C, MS170, MS170C

Alternate Part Numbers:
1130-400-1300, 11304001300

Product Specifications