NGK 4996 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 4996 is engineered for reliable ignition performance in a range of vehicles including Toyota, Lexus, Chevrolet, and Dodge models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Copper core center electrode for improved conductivity
• Standard ground electrode with nickel core material
• Non-removable nut electrical terminal type
• Pre-gap size of 0.044 inches for optimal spark gap
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Manufacturer heat range rating of 5
• Hex size of 5/8 inch for installation
• Insulator height of 50.50 mm

Detailed Product Description

The NGK Laser Iridium Spark Plug 4996 features a fine iridium tip on the center electrode, which provides a stable and efficient spark while maintaining long service life. The copper core center electrode enhances electrical conductivity, ensuring consistent ignition performance. The ground electrode is constructed with a nickel core and a standard tip design, contributing to reliable spark formation. This spark plug has a pre-set gap of 0.044 inches, optimized for smooth combustion in compatible engines.

With a flat seat type and a thread diameter of 14mm, the NGK 4996 spark plug fits securely in the combustion chamber. The 0.75 inch reach and 5/8 inch hex size facilitate straightforward installation and removal. The manufacturer heat range of 5 indicates suitability for a variety of driving conditions, balancing heat dissipation and performance.

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK is designed to provide precise ignition and durability through the use of iridium-tipped electrodes. This technology allows for a finer electrode that requires less voltage to generate a spark, improving ignition efficiency and fuel combustion. The NGK Laser Iridium Spark Plug 4996 is part of this line, offering a balance of performance and longevity for vehicles such as the Toyota 4Runner, Lexus GS300, and Chevrolet Vibe.

Compatible Vehicles and Applications

This spark plug is compatible with a variety of makes and models, including:

• Toyota 4Runner, Corolla, Echo, MR2, MR2 Spyder, Paseo, Previa, Prius, Supra, Tacoma, Yaris
• Lexus GS300, SC, SC300
• Chevrolet Vibe
• Dodge Stratus, Storm
• Geo Prizm
• Pontiac Sunfire (SC2, SL2)
• Saturn SC, SC2
• Scion xB, tC, and others

Common Issues Addressed by NGK Laser Iridium Spark Plug 4996

• Misfiring or rough idling due to worn spark plugs
• Reduced fuel efficiency from incomplete combustion
• Difficulty starting the engine in cold conditions
• Engine hesitation or loss of power under acceleration
• Increased emissions from inefficient ignition

Installation Notes and Tips

When installing the NGK Laser Iridium Spark Plug 4996, ensure the spark plug gap is set to the specified 0.044 inches if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or improper sealing. The 5/8 inch hex size allows for compatibility with standard spark plug sockets. Inspect the spark plug hole for debris before installation to ensure a clean fit.

Quality Assurance and Warranty

NGK spark plugs are manufactured to strict quality standards to ensure consistent performance and durability. The Laser Iridium Spark Plug 4996 undergoes rigorous testing for heat resistance, electrical conductivity, and mechanical strength. While specific warranty details may vary, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms applicable to this part.