The NGK Spark Plugs Iridium IX BCPR7EIX spark plug is designed to deliver reliable ignition, efficient combustion, and long-lasting performance for compatible automotive, powersports, and small-engine applications. Its fine iridium center electrode supports a lower voltage requirement, helping promote dependable starts and reducing stress on ignition system components. This replacement spark plug is identified by NGK Spark Plugs manufacturer part number 5690 and vendor part number BCPR7EIX.
The Iridium IX design uses an ultra-small-diameter iridium center electrode that is approximately 25% smaller than a platinum electrode and significantly smaller than a conventional nickel electrode. This precision electrode design helps concentrate the spark for consistent ignition performance while supporting improved throttle response and combustion efficiency. The durable metal shell plating also provides enhanced resistance to corrosion, helping the plug maintain dependable service in demanding operating conditions.
Use the NGK Spark Plugs Iridium IX BCPR7EIX as a direct replacement only when the application manufacturer specifies this heat range, thread style, reach, and electrode configuration. Verify vehicle or equipment fitment before installation, and install using the application manufacturer’s recommended torque specifications. This spark plug is supplied as an individual replacement component and is intended for compatible engines requiring NGK part number 5690 or BCPR7EIX.
Features:
- Iridium center electrode: Ultra-small electrode design helps reduce voltage requirements and support reliable ignition.
- Ignition system support: Lower firing voltage can help reduce stress on ignition components and extend system life.
- Corrosion resistance: Enhanced metal shell plating helps protect against corrosion in demanding environments.
- Performance design: Iridium IX technology supports consistent spark delivery, efficient combustion, and dependable engine operation.
- Fitment: Intended for compatible applications specifying NGK Spark Plugs BCPR7EIX, manufacturer part number 5690, or the equivalent plug specification.