590844001 - Spark Plug HQT-5

The Husqvarna Spark Plug HQT-5 (Part #: 590844001) is a genuine OEM spark plug engineered to deliver reliable ignition, efficient combustion, and optimal performance in select Husqvarna handheld power equipment. Designed to withstand the demands of high-RPM 2-stroke engines, this spark plug ensures smooth starts, clean burning, and consistent power output in both residential and commercial applications.

Regular replacement of your spark plug improves fuel efficiency, reduces emissions, and extends the life of your equipment.

Compatible Equipment Examples:

• Fits select Husqvarna blowers, chainsaws, and trimmers

• Commonly used in higher-output tools such as the Husqvarna 525-series and similar pro-grade handheld models

• Always check your owner’s manual or parts diagram for exact fitment

Features:

• Genuine Husqvarna Spark Plug – HQT-5

• Part #: 590844001

• Provides strong, consistent spark for dependable engine starts

• OEM heat range and gap for peak fuel-air combustion

• Enhances power delivery and throttle response

• OEM fit ensures long-term durability and easy installation

• Ideal for seasonal maintenance and performance restoration

Bee Green in Oakland is your trusted Husqvarna dealer, proudly serving the Bay Area with OEM spark plugs, tune-up parts, and expert support for trimmers, blowers, and chainsaws.