EHP-AYP 503936601 Air Purge Bubble Primer Bulb for Small Engines

The EHP-AYP 503936601 Air Purge Bubble is a genuine OEM replacement primer bulb designed for various outdoor power equipment including chainsaws, trimmers, blowers, and other small engine applications. This essential fuel system component removes trapped air from the carburetor and fuel lines, ensuring reliable engine starting and optimal performance.

Key Features:

• Genuine OEM quality construction for reliable performance and exact fitment
• Snap-in design for quick and easy installation without tools
• Purges air from carburetor and forces fuel from tank into fuel system
• Durable elastomer material resists cracking and hardening over time
• Replaces Husqvarna 503936601, 530047721, Walbro 188-512, and other compatible part numbers
• Compatible with Husqvarna chainsaws, trimmers, blowers, and pole saws

This air purge bubble is commonly used on Husqvarna chainsaw models including 235, 240, 340, 345, 346, 350, 435, 440, 445, 450, 455 Rancher, and 460 series. Also fits many Husqvarna trimmer models (123L, 225, 232L, 322, 323, 325, 326 series) and blower models (125B, 125BX, 125BVX). The primer bulb circulates fuel into the carburetor to facilitate easier cold starts and improved engine responsiveness.