This spark plug connector bushing is designed to meet the specifications of OE number 2721590142.It provides insulation against engine heat and serves as a mechanical support and sealing component to help maintain secure electrical connections between spark plugs and ignition coils.Constructed from materials resistant to thermal degradation, vibration, and wear, it supports consistent ignition performance under typical operating conditions.Compatible with various vehicles that use this specific ignition system configuration, this part is suitable for routine maintenance or repair.