NGK 6502 Spark Plug

NGK Laser Iridium Spark Plug 6502 Overview

The NGK Laser Iridium Spark Plug 6502 is engineered for reliable ignition performance and durability. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion in a variety of vehicle applications.

• Iridium center electrode tip for enhanced durability and consistent spark
• Taper cut ground electrode tip design for improved ignitability
• Copper core center electrode for optimal conductivity
• Standard ground configuration with a single nickel ground electrode
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches for precise spark gap
• Flat seat type and 5/8 inch hex size for proper fitment and installation
• Thread diameter of 14.00 mm and reach of 0.75 inches
• Manufacturer heat range rating of 5 for balanced thermal performance
• Insulator height of 50.50 mm for effective insulation

Detailed Product Description

The NGK Laser Iridium Spark Plug 6502 features a fine iridium tip on the center electrode, which provides a stable and efficient spark while extending service life compared to conventional plugs. The copper core center electrode enhances electrical conductivity, ensuring consistent ignition performance. The taper cut ground electrode tip design improves ignitability by reducing quenching effects, which helps maintain smooth engine operation.

This spark plug uses a single nickel ground electrode with a standard configuration, balancing durability and performance. The non-removable nut electrical terminal type ensures a secure and reliable connection to the ignition system. With a pre-gap size of 0.044 inches, the spark plug is optimized for precise ignition timing and combustion efficiency.

The flat seat type and 5/8 inch hex size facilitate proper installation and fitment in compatible engines. The thread diameter of 14.00 mm and reach of 0.75 inches are designed to meet OEM specifications for a range of vehicles. The manufacturer heat range of 5 provides a moderate thermal rating suitable for many engine types, helping to prevent fouling and overheating.

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK is designed to deliver consistent ignition performance with enhanced durability. Utilizing iridium for the center electrode tip, these plugs offer improved wear resistance and longer service intervals compared to traditional spark plugs. The precise electrode design supports efficient combustion, contributing to smoother engine operation and fuel efficiency.

Applications and Common Issues Addressed

• Replacement for worn or fouled spark plugs in compatible vehicles
• Improves ignition stability and reduces misfires
• Helps restore engine performance and fuel economy
• Addresses rough idling and hard starting conditions
• Suitable for vehicles requiring a heat range 5 spark plug

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Check and adjust the spark plug gap if necessary to 0.044 inches
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Inspect the ignition system components for wear or damage during replacement
• Ensure the spark plug threads are clean and free of debris before installation

Quality Assurance

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Iridium Spark Plug 6502 undergoes rigorous testing to maintain consistent electrical and thermal properties. While specific warranty details are not provided, NGK products are widely recognized for their engineering quality and adherence to OEM specifications.