Husqvarna Middle Tube for Backpack Blower – OEM 577079301 (130BT, 150BT, 350BT, 530BT)

Authentic OEM Middle Tube for Husqvarna Backpack Blowers

This middle tube is an authentic Husqvarna OEM part, designed to match the original component that ships with select backpack blowers. Labeled with Husqvarna part number 577079301 and intended to replace 521507901, it is a ready-to-install upgrade sourced from the United States. The part quality reflects durable plastics and precision molding that Husqvarna users expect, delivering a reliable substitute when the original tube needs replacement.

In everyday use, the middle tube plays a crucial role in the airflow path by connecting the upper and lower tube sections. A proper fit helps maintain consistent air delivery, reduces wobble, and supports a smooth reach across varied job sites—from tight spaces near landscaping to open driveways. The replacement tube is designed to integrate with existing components without altering the overall balance or feel of the blower during operation.

Key features and compatibility include:

• Authentic OEM part for Husqvarna backpack blowers
• Part number 577079301; replaces 521507901
• Fits models: 130BT, 150BF, 150BT, 350BF, 350BT, 530BT
• One durable plastic middle tube included; replacement requires no special tools
• Made in the United States

Real-world use scenarios show how a solid middle tube can contribute to a steadier workflow. The tube’s robust construction supports repeated assembly and disassembly, helping you avoid interruptions when a component wears or is damaged. The snug fit between sections helps minimize air leaks and maintain consistent performance as you move across lawns, sidewalks, and curb lines.

Installation tips: consult the owner’s manual for the correct application, ensure accompanying tubes are in good condition, and replace damaged connectors together to preserve airflow efficiency. The process is straightforward and can be completed with basic hand tools, preserving the original balance and ergonomics of the blower.

Bottom line: for homeowners, landscapers, and property managers who rely on dependable parts and predictable airflow, this OEM middle tube offers a practical, ready-to-use replacement that aligns with Husqvarna’s engineering standards. While it does not guarantee specific results, it supports compatible operation with the listed models and a smooth return to work readiness.

Package details: 1 middle blower tube per package.