590710201 - Spark Plug HQT-4

The Husqvarna Spark Plug HQT-4 (Part #: 590710201) is a genuine OEM replacement spark plug engineered for optimal ignition performance and fuel efficiency in select Husqvarna handheld power equipment. It delivers a strong, consistent spark that supports smooth starts, stable idling, and full engine power under load—making it ideal for chainsaws, trimmers, and blowers that demand peak performance.

Replacing your spark plug regularly helps prevent engine misfires, power loss, and fuel waste, and ensures your equipment runs clean and reliably.

Compatible Equipment Examples:

• Used in select Husqvarna chainsaws, blowers, and trimmers

• Common in mid-to-large 2-stroke engines—refer to your equipment manual to confirm fit

• May be compatible with models like Husqvarna 550XP, 545 Mark II, and other professional-grade handheld tools

Features:

• Genuine Husqvarna Spark Plug – HQT-4

• Part #: 590710201

• Provides consistent ignition for reliable starts and smooth operation

• Designed for proper heat dissipation and combustion efficiency

• Helps reduce emissions and extend engine life

• OEM part ensures exact fit and long-term durability

• Ideal for seasonal tune-ups and regular engine maintenance

Bee Green in Oakland is your trusted Husqvarna dealer, proudly serving the Bay Area with spark plugs, tune-up parts, and expert repair support for all your handheld Husqvarna equipment.