590844501 - Spark Plug HQT-10

The Husqvarna Spark Plug HQT-10 (Part #: 590844501) is a genuine OEM replacement spark plug engineered to deliver dependable ignition and top engine performance in select Husqvarna 2-stroke handheld equipment. Designed for high-RPM engines, this spark plug provides clean combustion, reliable starts, and improved fuel efficiency—making it a key component in regular equipment maintenance.

Whether you're running a chainsaw, blower, or trimmer, the HQT-10 helps prevent misfires, rough idling, and fuel waste while extending engine life.

Compatible Equipment Examples:

• Fits select Husqvarna chainsaws, blowers, and string trimmers

• Common in newer or high-performance handheld models

• Confirm fitment by checking your owner's manual or model-specific parts diagram

Features:

• Genuine Husqvarna HQT-10 Spark Plug

• Part #: 590844501

• Provides strong, consistent spark for reliable engine starts

• Optimized heat range for efficient fuel combustion

• Helps reduce emissions and maximize fuel economy

• OEM quality ensures proper fit and long-lasting performance

• Essential for tune-ups and routine 2-stroke maintenance

Bee Green in Oakland is your trusted Husqvarna dealer, proudly serving the Bay Area with OEM spark plugs, tune-up parts, and expert guidance to keep your handheld tools running strong.