503936601 - Air Purge Bubble

The Husqvarna Air Purge Bulb (Part #: 503936601) is a genuine OEM replacement primer bulb designed for use in a variety of Husqvarna chainsaws, trimmers, and handheld equipment. This small but essential part helps remove air from the fuel system, making it easier to start the engine by ensuring the carburetor is primed with fuel.

If your equipment is hard to start or the bulb is cracked or leaking, replacing it with this OEM air purge bulb can restore quick, reliable startups and consistent fuel delivery.

Features:

• Genuine Husqvarna Air Purge Bulb (Primer Bulb)

• Part #: 503936601

• Assists with easier cold starts by priming the carburetor

• OEM fit for select Husqvarna chainsaws, trimmers, and handheld tools

• Clear, flexible bulb for quick visual fuel check

• Easy to install and replace

• Durable construction to resist fuel and environmental wear

• Ideal for routine maintenance or replacing cracked bulbs

Bee Green in Oakland is your trusted Husqvarna dealer, proudly serving the Bay Area with OEM parts, expert service, and professional-grade outdoor equipment.