Russell Performance 661843 AN Flare Union Straight Adapter Fitting

The Russell Performance 661843 is a straight AN flare union adapter fitting designed to join two AN hose ends or hardlines within a performance plumbing system. Part of Russell's extensive lineup of aluminum adapter fittings, this union provides a clean, leak-free connection point wherever an inline junction is needed in fuel, oil, or coolant lines.

Key Features:

• Straight flare union design for inline AN hose-end connections
• Lightweight aluminum construction for corrosion resistance and durability
• Standard 37° AN sealing angle ensures a positive, pressure-tight seal
• Reusable and fully interchangeable with other AN-standard fittings from leading manufacturers
• Universal application — compatible with fuel, oil, and coolant line systems
• Offered across a wide range of AN sizes to suit various plumbing configurations

Russell Performance adapter fittings are available in multiple finishes including ultra-bright Endura, traditional blue anodized, and black anodized to complement any hose installation. The 661843 flare union is a straightforward, reliable solution for builders and fabricators assembling or modifying high-performance fluid systems.