Paslode 403992 Cylinder Head O‑Ring – OEM Replacement for IM350 & IM350CT Nailers

The Paslode 403992 O‑Ring is a genuine replacement part designed for the upper section of the cylinder head on IM350 and IM350CT nailers. This precision-sealing ring maintains airtight compression within the tool, critical for delivering consistent nail-driving power.

Key Features

• OEM-quality replacement (Part No. 403992), specifically for IM350 and IM350CT models

• Constructed from durable rubber to resist high-pressure air and heat

• Designed to seal the cylinder head, preserving internal pressure

• Simple to install during scheduled maintenance or part replacement 

Benefits

• Restores proper air compression and prevents power loss

• Reduces misfires and maintains consistent firing performance

• Extends tool lifespan by protecting against air leakage and internal wear

• Easy, cost-effective fix to keep your nailer job-ready

When to Replace

Consider installing a new cylinder head O-ring when:

• You notice decreased driving power or inconsistent firing

• Air leaks or hissing noises occur near the cylinder head

• Regular maintenance is performed during service intervals

The Paslode 403992 O‑Ring is a small but essential part for maintaining optimal performance and reliability in your IM350 or IM350CT nailer.