6635-PD242
Test Port Coupler
Mack

This test port coupler serves as a critical connection point for diagnostic and maintenance procedures in heavy-duty systems. Designed to facilitate quick and secure access to fluid or air lines, it ensures that technicians can efficiently perform pressure tests, system checks, and troubleshooting without disrupting the entire setup. Its robust construction guarantees durability under demanding conditions, making it an essential component for routine inspections and system diagnostics. The coupler's precise threading and sealing features prevent leaks, maintaining system integrity during testing. By simplifying access to key system points, this coupler reduces downtime and enhances maintenance efficiency. Source One Parts Center offers this high-quality component, ensuring reliable performance and long service life for your vehicle's testing needs.