Husqvarna 503936601 Air Purge

Product Description

The HUSQVARNA 503936601 is an air purge component designed to remove air from the fuel system of small outdoor power equipment. The air purge bulb allows the operator to prime the carburetor before starting, ensuring fuel reaches the engine quickly and reliably. This part is commonly replaced during carburetor service or when the existing bulb becomes cracked, hardened, or fails to draw fuel. It is a standard maintenance item installed by small engine technicians and experienced equipment operators.

The 503936601 air purge is suited for use on HUSQVARNA-branded lawn and garden equipment, including handheld and walk-behind units that use a primer bulb-style fuel delivery system. This component is typically serviced during routine carburetor rebuilds or as a standalone replacement when the original bulb shows visible wear or fuel delivery issues.

Key Features

• Primer bulb design removes air from the fuel circuit before engine start
• Direct OEM replacement ensures proper fit and function
• Compatible with primer bulb-style carburetors on small outdoor power equipment
• Supports reliable cold and warm starts by priming the fuel line

Compatibility

Designed as an OEM-style replacement air purge component for HUSQVARNA lawn and garden power equipment with primer bulb-equipped carburetors.

Installation Notes

Installation should be performed by a qualified small engine technician or experienced operator. Before servicing, disconnect the spark plug wire to prevent accidental starting and relieve any fuel system pressure. Work in a well-ventilated area away from open flames when handling fuel system components. Ensure the replacement bulb seats fully and that all fuel line connections are secure before returning the unit to service.

Technical Specifications

• Component Type: Air Purge Primer Bulb

Standard Information

• Brand: HUSQVARNA
• Manufacturer Part Number: 503936601