Description
Overview:
This genuine Husqvarna ignition module is a direct replacement for the spark control unit on the 394 XP and 395 XP chainsaws. It generates and times the spark to the plug for reliable starting, smooth running and stable power under load. Built with a robust, sealed housing in a hard-wearing black finish, it is designed to cope with heat, vibration and dust commonly encountered in forestry and site work. As an OEM component (part number 503 63 98-01), it restores correct ignition performance where the original unit has failed or become intermittent. Suitable for professional users and DIY owners alike, it installs in place of the original module using existing fixings and wiring. Set the air gap according to the chainsaw's service manual.
Key Features:
- Genuine Husqvarna OE part for precise fit and correct ignition timing
- Consistent, high-energy spark for easier starts and dependable running
- Sealed, durable construction to resist heat, vibration and moisture
- Direct-fit replacement for the original unit; no modifications required
- Helps resolve misfires, cutting out under load, and hard starting
- Supports stable idle and clean acceleration across the rev range
- Compatible with existing kill-switch lead and mounting points
- Suitable for heavy-duty, daily use on professional-grade saws
Typical Applications:
Used to replace a faulty or weak ignition unit on Husqvarna 394 XP and 395 XP chainsaws. Ideal when a saw is difficult to start, misfires at speed, stalls when hot, or has no spark. Helps return tools to reliable service for felling, cross-cutting, firewood processing, storm clearance, and general site work where dependable ignition is essential.
Also known as:
Ignition coil, CDI unit, magneto module, spark module, coil module, electronic ignition unit, ignition trigger module. These terms refer to the same component that controls spark generation and timing within the chainsaw's ignition system.
Fits Models:
394 XP
394XP
395 XP
395XP
Alternate Part Numbers:
503 63 98-01, 503639801