Russell Performance 640143 4AN Straight Female Swivel Coupler Adapter Fitting Black Anodized

The Russell Performance 640143 is a -4 AN straight female swivel coupler adapter fitting with a sleek black anodized finish. Designed to join two -4 AN hose ends or lines in a straight configuration, this coupler features a swivel design on both ends that allows for easy installation and precise alignment without twisting the hose during assembly.

Machined from 6061-T6 aluminum, this fitting offers an excellent strength-to-weight ratio and outstanding corrosion resistance. The black anodized finish provides a clean, stealthy look that complements black or custom-colored performance plumbing setups.

Key Features:

• AN Size: -4 AN (female both ends)
• Configuration: Straight, 0-degree
• Finish: Black anodized
• Material: 6061-T6 aluminum
• Swivel: Both ends swivel for easy hose alignment during installation
• Compatible with standard -4 AN hose ends and fittings
• Suitable for fuel, oil, coolant, and brake line applications
• Sold individually

Russell Performance fittings are trusted by racers and performance enthusiasts for their precision machining and reliable sealing. The 640143 is an ideal solution for connecting two -4 AN lines cleanly and securely in any high-performance plumbing system.