NGK TR5IX 7397 Spark Plug - 8-Pack | OEM-Quality Iridium Spark Plugs

Premium OEM-Grade Spark Plugs for Reliable Ignition

Meet the NGK TR5IX 7397 eight-pack, a set of laser iridium spark plugs designed to support steady starts, crisp throttle response, and consistent combustion across varied driving conditions. Built with the precision and durability you expect from a leading OEM supplier, these plugs blend reliable performance with factory-grade quality that many engines are tuned to meet.

As part of NGK's OEM lineage, these plugs emphasize longevity and dependable operation, offering a balance of efficiency and resilience that can suit a wide range of vehicles. The laser-iridium construction is engineered to maintain a stable spark over a longer service life while resisting wear from heat and deposits that can accumulate during normal operation.

Key benefits at a glance:

• OEM specification alignment supports compatibility with many engine designs.
• Laser Iridium tips provide precise ignition and extended life in demanding conditions.
• Quality, reliability, and durability backed by NGK’s global leadership in OEM spark plugs.
• Pack contains eight plugs, enabling efficient installation across multi-cylinder engines.

Fitment and usage guidance

• Before purchase, verify exact fit on NGK’s official site by entering your vehicle’s year, make, model, engine, drivetrain, and required quantity.
• Consider your vehicle’s service history and operating environment to plan replacement intervals and maintenance routines.

Real-world scenarios

In everyday driving, owners may experience smoother starts, steadier idle, and reliable performance across temperature swings. While results can vary by application, the TR5IX plug set is designed to align with original equipment expectations, helping maintain consistent engine behavior over time.

Why choose NGK TR5IX

• Trusted OEM heritage from the world’s largest spark plug supplier.
• Iridium-based design for durable, long-lasting performance.
• Eight-plug pack simplifies multi-cylinder replacement and planning.

Installation notes

Handle with care, use the correct torque specification, and follow vehicle-specific guidelines. Replacing all plugs in the set helps maintain uniform ignition and engine rhythm.