Product description

The M5 to 4mm Poly Union is a precision-engineered pneumatic fitting used across a variety of Snap-On and John Bean diagnostic and service equipment. This fitting provides a reliable, high-pressure connection between 4mm poly tubing and M5 threaded ports, commonly found in the intricate air control manifolds of tire changers and specialized lift actuators. Its robust design ensures a leak-free seal even under the continuous vibration and temperature fluctuations of a professional automotive shop. By ensuring consistent air flow and pressure, this union helps maintain the responsiveness of pneumatic clamps and valves, preventing operational delays and ensuring the high-level performance your shop relies on for daily vehicle servicing.

Product highlights

• Connects 4mm poly tubing to M5 threaded ports securely
• Designed for high-pressure pneumatic control systems
• Precision-machined for a leak-free and reliable seal
• Durable material construction for shop environment longevity
• Essential component for Snap-On air manifold maintenance

Specs

• Type: Pneumatic Union
• Size 1: 4mm Poly
• Size 2: M5 Thread
• Manufacturer: Snap-On
• Manufacturer Part Number: JBC63942000
• Country of Manufacture: USA

Direct replacement models

Snap-On, John Bean, Hofmann

You will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.