FMSI Fittings 3452HP 1/4" High Pressure Steel Compression Union 5000 PSI

The FMSI Fittings 3452HP is a heavy-duty high-pressure steel compression union designed for reliable, leak-free connections in demanding automotive fluid system applications. Rated for 5000 PSI, this 1/4" compression union provides superior strength and durability for brake lines, power steering lines, transmission cooler lines, and fuel systems.

Key Features:

• High-pressure steel construction rated for 5000 PSI maximum working pressure
• 1/4" tube size for universal compatibility
• 360° seal compression design ensures leak-free performance
• Captive sleeve compression technology for secure connections
• Works with steel, copper, aluminum, and nylon tubing
• Ideal for brake, fuel, power steering, and transmission line repairs
• Heavy-duty construction for professional-grade reliability

This compression union features FMSI's proven 360° seal design that permits the use of one part number to effectively join different tubing materials, including combinations of steel, copper, aluminum, and nylon. The captive ferrule design centers and attaches to the nut to ensure proper installation and prevent leaks, making it an essential component for automotive line repair and replacement applications.