NGK 2341 Spark Plug

NGK Laser Platinum Spark Plug 2341

NGK Laser Platinum Spark Plug 2341 is an OE-style ignition component built for stable spark delivery and consistent combustion performance. It uses a platinum center electrode, nickel ground electrode, and a 10,000 ohm resistor to support reliable ignition in demanding daily driving conditions.

The Laser Platinum line focuses on OE-level fit and durability, making it a practical choice for drivers servicing a Jaguar XJR or Jaguar XKR with the specified factory gap and heat range requirements. Part number 2341 is also identified as PFR6G-13E.

Key Features

• Platinum center electrode tip for long service life and consistent firing characteristics
• Copper center electrode core for efficient heat transfer
• Nickel ground electrode core with standard ground configuration
• 10,000 ohm resistor for ignition noise suppression
• Pre-gapped at .052 inch for listed applications
• 14 mm thread diameter, 5/8 inch hex, flat seat, .75 inch reach
• Manufacturer heat range 6

Detailed Description

NGK part number 2341 is a Laser Platinum spark plug engineered for vehicles that call for a flat-seat plug with a .052 inch gap and a 14 mm thread. The platinum tip helps maintain consistent spark performance over time, while the copper core supports heat control under normal engine operating temperatures. This spark plug is a direct-fit ignition service part for 1998 Jaguar XJR, 1999 Jaguar XJR to VIN #878717, and 2000 Jaguar XKR to VIN #A00115.

NGK has a long OE supply history and manufactures ignition components for a wide range of automotive applications. For shoppers searching for NGK 2341 spark plug, PFR6G-13E, or a replacement spark plug for Jaguar XJR and Jaguar XKR models, this part matches the listed factory specifications and service notes.

This part cross-references DENSO Auto Parts 4504 for the same application.

Common Issues This Part Can Address

• Misfire caused by worn or fouled spark plugs
• Hard starting from weak ignition output
• Rough idle from inconsistent spark delivery
• Reduced fuel economy related to degraded plug performance
• Loss of throttle response from aged ignition components

Installation Notes and Tips

Verify the vehicle VIN before ordering, since the listed Jaguar XJR and Jaguar XKR applications include VIN breakpoints. Confirm the specified .052 inch gap and inspect the ignition system for oil, carbon buildup, or coil issues before installation. Use the correct 5/8 inch spark plug socket and torque to the vehicle manufacturer’s specification.

Quality Assurance

NGK is a major OE supplier in North America with more than 80 years of automotive ignition experience. The brand manufactures spark plugs to original equipment standards for durability and consistent operational performance across automotive applications.