Husqvarna 503639801 Ignition Coil

Product Description

The HUSQVARNA 503639801 is an OEM-replacement ignition coil designed for small-engine outdoor power equipment. The ignition coil generates and delivers the high-voltage spark required to fire the engine's spark plug at the correct point in the combustion cycle. A failing or failed coil typically presents as a no-start condition, intermittent misfires, or an engine that stalls under load. This part is serviced by licensed small-engine technicians and experienced equipment mechanics performing routine tune-up or ignition system repair work.

This ignition coil is suited for installation on HUSQVARNA-branded outdoor power equipment that uses a compatible small two-stroke or four-stroke engine platform. Typical applications include handheld and walk-behind equipment such as chainsaws, trimmers, and similar lawn and garden power tools where the original ignition coil has reached end of service life or has been damaged. Consult the equipment's service manual to confirm fitment before installation.

Key Features

• OEM-replacement ignition coil sourced from HUSQVARNA
• Delivers reliable high-voltage spark for consistent engine starting
• Direct replacement for worn or failed original equipment ignition coils
• Designed to match original mounting and wiring configurations

Compatibility

Designed as an OEM-style replacement ignition coil for compatible HUSQVARNA outdoor power equipment. Verify fitment against the specific model and serial number of the equipment using the manufacturer's parts lookup before ordering.

Installation Notes

Ignition coil replacement should be performed by a qualified small-engine technician. Disconnect the spark plug wire and allow the engine to cool completely before beginning any ignition system service. An air gap feeler gauge is typically required to set the correct clearance between the coil armature and the flywheel magnets per the service manual specification. Reinstall all shrouding and guards before returning the equipment to service.

Technical Specifications

• Part Type: Ignition Coil

Standard Information

• Brand: HUSQVARNA
• Manufacturer Part Number: 503639801