ALFUL Ruixing PR4218 Carburetor Kit for Poulan Pro 18-Inch Chainsaws (PR4218/PL3816/PL3314)

Premium fit, all-in-one replacement

Meet the ALFUL Ruixing PR4218 carburetor kit, designed to replace the 596786602 part on Poulan Pro and select Husqvarna chainsaws. This thoughtfully assembled kit targets common wear points in the carburetor system, the air purge primer bulb, gaskets, fuel lines, and filters. It’s built to align with Poulan Pro PR4218A 18-inch, 42cc models and is compatible with related Husqvarna PL3816 and PL3314 units, helping restore performance without juggling multiple single parts.

In real-world use, the kit provides a complete, ready-to-install solution. Included are the carburetor, air filter, primer bulbs, fuel lines, gaskets, fuel filter, a spark plug, and a carburetor adjustment tool. This all-in-one approach can save time and money by simplifying maintenance tasks and reducing the need to source additional components separately.

Users may notice smoother starts, steadier idle, and more consistent throttle response as air and fuel pathways are restored to designed specifications. The kit is built with measured dimensions in mind: mounting hole distance of 31 mm, throttle bore diameter of 14.2 mm, choke bore diameter of 18 mm, and 4 mm fuel and primer line diameters, helping ensure compatibility with a range of saws beyond the base model.

What’s included

• 1 x Ruixing carburetor
• 1 x air filter
• 2 x primer bulbs
• 2 x fuel lines
• 2 x gaskets
• 1 x fuel filter
• 1 x carburetor adjustment tool
• 1 x spark plug

Compatibility and practical benefits

• Designed to fit Poulan Pro PR4218 carburetor systems and 18-inch, 42cc models
• Air purge primer bulb supports easier starting and priming
• All-in-one kit reduces downtime and sourcing effort for common replacements
• Precise dimensions promote reliable mounting and steady fuel flow

Notes on safety and use: follow your saw’s service guidance when replacing components. This replacement kit offers a practical option for maintaining engine efficiency and dependable operation, without asserting guaranteed outcomes.