NGK Laser Iridium Spark Plug IJR7A9 #7901

Laser Iridium Spark Plug for NGK IJR7A9

This laser iridium spark plug for NGK is an OEM cross-reference for IJR7A9 and #7901, providing reliable ignition and long service life.

Overview

This laser iridium spark plug for NGK model IJR7A9 (also known as #7901) delivers a focused flame kernel for improved combustion efficiency and throttle response, suitable for a wide range of high-performance engines. The iridium center electrode ensures exceptional durability and reduces fouling, making it a trusted choice for demanding applications. Whether replacing worn plugs or tuning for performance, this NGK-compatible spark plug meets strict OEM standards.

Built For Performance

• Laser-welded iridium tip for long life and consistent spark
• Triple-gasket sealing prevents compression leaks
• Copper-core center electrode for superior heat dissipation
• Corrosion-resistant shell for reliable grounding

Specs At A Glance

Good To Know

Q: What gap should I set this spark plug to? A: The recommended gap is typically 0.8mm to 1.0mm; always check your engine manufacturer's specifications for the exact setting.

Q: Does this spark plug require any special installation procedures? A: Install with a torque wrench to 18-22 Nm and apply a small amount of anti-seize to the threads to prevent seizing.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.