Husqvarna Genuine OEM Air Purge Assembly – 503936601 (Replaces 5039366-01) For 445 Models

Need to fix that primer bulb on your Husky?

This is the real deal—a genuine Husqvarna OEM Air Purge assembly.

The part number is 503936601, which supersedes 5039366-01.

It's designed to fit models like the 445.

It's the little assembly that primes the engine with fuel.

This one is made of metal and black plastic.

Comes as one unit.

It's brand new, in the original packaging.

Not a knock-off, it's actual Husqvarna.

Weighs almost nothing (0.03 lbs).

If your purge bulb is cracked or not working, swap it out with this genuine part and get your saw running right again.