[Lifetime Warranty] 503936601 Primer Bulb with Fuel Lines - Pack of 4

4 Pack 503936601 Primer Bulb with Fuel Lines

Key Features

• Package includes 4 primer bulb assemblies and 2 fuel lines.
• Direct replacement for specified part numbers.
• Snap-in design for straightforward installation.
• Bulb primes the carburetor to assist with cold starts.

Replaces / Cross-Reference Part Numbers

• 503936601
• 530047721
• 188-512

Compatibility & Fitment

• Brand:Husqvarna
• Chainsaw Models:235, 236, 240, 340, 345, 350, 353, 435, 440, 445, 450, 455, 455 Rancher, 460
• Blower Models:125B, 125BX, 125BVX, 225BX, 225HBV, 356BF, 356BT
• Trimmer Models:123L
• Power Cutter Models:K750, K760

When to Replace

• Primer bulb is cracked, hazy, or brittle.
• Bulb does not return to its original shape after being pressed.
• Engine is difficult to start or requires excessive priming.
• Visible fuel leaks from or around the bulb assembly.
• Fuel lines are clogged, cracked, or have deteriorated.

Installation Tips

• Drain all fuel from the tank before beginning work.
• Note the orientation and routing of the old fuel lines before removal.
• Ensure the new primer bulb snaps securely into the housing to prevent leaks.
• Cut new fuel lines to match the length of the original lines.
• After installation, prime the bulb and check for any fuel leaks before starting the engine.