OE Aftermarket 166350B000 Fuel Injector Cushion Ring Seal Upper Insulator

The OE Aftermarket 166350B000 is a precision-engineered fuel injector cushion ring designed to provide a reliable seal and cushioning for fuel injection systems. This rubber insulator is positioned at the upper portion of the fuel injector, creating a seal between the injector body and the fuel rail cap to prevent fuel leaks and ensure proper fuel delivery.

Key Features:

• OEM-quality rubber construction for durability and chemical resistance
• Upper position insulator design for fuel injector to rail interface
• Prevents fuel leakage and maintains proper fuel system pressure
• Direct replacement for Nissan part number 16635-0B000
• Engineered to meet or exceed original equipment specifications

This fuel injector seal is a critical maintenance component that should be replaced during fuel injector service to ensure proper sealing and prevent vacuum leaks. The cushion ring absorbs vibration and provides isolation between metal components while maintaining a secure, leak-free connection in the fuel delivery system.