NGK 2341 Spark Plug

NGK Laser Platinum Spark Plug Overview

The NGK Laser Platinum Spark Plug 2341 is engineered for reliable ignition performance in Jaguar XJR and XKR models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Part Number: 2341 (PFR6G-13E)
• Compatible with Jaguar XJR and XKR
• Center electrode tip made of platinum for durability
• Copper core center electrode for optimal conductivity
• Standard ground electrode with nickel core material
• Pre-gap size of 0.052 inches for precise spark delivery
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Non-removable nut electrical terminal type
• Manufacturer heat range rating of 6
• Hex size of 5/8 inch for installation

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK features advanced electrode materials designed to enhance spark plug longevity and performance. The platinum center electrode tip reduces wear and maintains a stable spark over time, which is critical for maintaining engine efficiency in high-performance vehicles like the Jaguar XJR and XKR. This product line balances durability with consistent ignition characteristics, making it suitable for secondary ignition systems requiring precise spark control.

Technical Details and Features

This NGK spark plug incorporates a copper core center electrode that improves thermal conductivity and electrical performance. The platinum tip on the center electrode provides enhanced wear resistance, extending service life compared to conventional spark plugs. The ground electrode uses nickel core material with a standard design and single electrode quantity, ensuring reliable spark gap stability. The pre-gap size of 0.052 inches is factory set to optimize ignition timing and combustion efficiency. The flat seat design and 14mm thread diameter ensure proper fitment and sealing in compatible Jaguar engines.

Applications and Problem Solving

• Restores consistent ignition in Jaguar XJR and XKR secondary ignition systems
• Reduces misfires caused by electrode wear or gap erosion
• Improves fuel efficiency by maintaining optimal spark delivery
• Helps prevent rough idling and engine hesitation
• Supports stable combustion under varied driving conditions

Installation Notes and Tips

When installing the NGK Laser Platinum Spark Plug 2341, ensure the spark plug gap is checked and adjusted if necessary, although it comes pre-gapped at 0.052 inches. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the flat seat or thread. The 5/8 inch hex size allows for standard spark plug socket compatibility. Confirm compatibility with Jaguar XJR and XKR models before installation.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Platinum Spark Plug 2341 undergoes rigorous testing for heat range, electrode wear, and electrical resistance (10,000 ohms) to maintain consistent ignition characteristics. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term use in compatible vehicles.