Husqvarna Ignition Switch & Key - 544 44 21-01

This is a genuine Husqvarna ignition switch and key assembly, part number 544 44 21-01. This OEM r...

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Product Information

Full details

The Husqvarna Ignition Switch & Key (544 44 21-01) is an essential OEM replacement component designed for homeowners and professional landscapers who operate Husqvarna Rider series mowers. This assembly restores reliable ignition and starting functionality to your equipment, ensuring a precise fit for a broad range of models; however, users should verify their specific mower model number against the compatibility list before installation to ensure perfect electrical alignment.

All features

Model Part Number544 44 21-01
BrandHusqvarna

Extended Product Information

FAQs

Is the key included with the switch?

Yes, this part 544 44 21-01 is a complete assembly including both the ignition switch and the key.

Will this fit my R320 mower?

Yes, this part is specifically designed to be compatible with the Husqvarna R320 series, among others.

Do I need special tools to install this?

You will typically need basic hand tools such as a socket or wrench set to remove the mower housing and the mounting nut for the switch.

What does OEM mean?

OEM stands for Original Equipment Manufacturer, meaning this is an authentic Husqvarna part, not an aftermarket knock-off.

Can I use this on non-Husqvarna mowers?

This part is specifically engineered for Husqvarna Rider series equipment and is not guaranteed to work with other brands.

What should I do if the key gets stuck?

Check that the switch is not misaligned in the console and ensure there is no internal damage to the tumbler mechanism.

Troubleshooting

Engine fails to turn over when key is turned

Check the wiring harness connection behind the switch and ensure the battery is fully charged.

Key feels loose or does not turn smoothly

Inspect the key slot for debris and verify the switch is properly tightened to the console housing.

Intermittent engine cutting during operation

Ensure all terminals on the back of the ignition switch are securely seated in the harness connector.

Pros and Cons

Pros

  • Genuine OEM part ensures factory-grade reliability
  • Easy direct replacement for worn or faulty ignition switches
  • Comprehensive compatibility across the popular Rider mower series
  • Includes both the ignition switch and key assembly
  • Maintains the safety and starting integrity of the equipment

Cons

  • Requires mechanical knowledge to access the console area
  • May require battery disconnection before installation for safety
  • Specific to Husqvarna Rider models, not universal for all mowers

Setup, Compatibility & Care

To install this assembly, ensure the mower is parked on a flat surface and the battery is disconnected to prevent accidental starting or short circuits. Access the ignition switch from behind the control panel, disconnect the existing wiring harness, and unthread the retaining nut. For optimal care, keep the area around the ignition switch free of debris to prevent moisture buildup in the key slot. Always ensure the key is kept in a dry location when the machine is stored for extended periods to prevent oxidation of the contacts. Compatibility is confirmed for Husqvarna Rider models: R13, R15, R112, R115, R213, R214, R215, R216, R220, R318, and R320.

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