NGK 3440 Spark Plug

Reliable Ignition with NGK Laser Platinum Spark Plug 3440

The NGK Laser Platinum Spark Plug 3440 is engineered to deliver consistent ignition performance for a range of vehicles including Toyota Corolla, Mazda Miata, and Volkswagen Beetle. Designed with precision materials and specifications, this spark plug supports efficient combustion and engine reliability.

• Center electrode tip made of platinum for enhanced durability
• Copper core center electrode for improved conductivity
• Standard ground electrode design with nickel core material
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches optimized for ignition efficiency
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Manufacturer heat range rating of 5 suitable for various driving conditions
• Hex size of 5/8 inch for standard installation tools

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK combines platinum-tipped electrodes with copper cores to balance durability and electrical performance. This design helps maintain stable spark delivery over extended service intervals, making it suitable for vehicles like the Toyota Tacoma and Lexus GS300 that require reliable ignition components. The 3440 part number represents a specific configuration within this line, tailored for compatibility with multiple makes and models.

Technical Details and Performance

This spark plug features a platinum center electrode tip that resists wear and erosion, contributing to longer service life compared to conventional plugs. The copper core enhances thermal conductivity, allowing the plug to dissipate heat effectively and maintain optimal operating temperature. The single ground electrode with a nickel core provides a stable spark gap, while the flat seat ensures proper sealing in the combustion chamber. The pre-gap of 0.044 inches is factory set to optimize ignition timing and combustion efficiency.

Compatible Vehicles and Applications

• Chevrolet Tracker and Saturn SC2 ignition systems
• Chrysler Sebring and Dodge Stratus spark plug replacement
• Geo Prizm and Toyota Yaris ignition maintenance
• Mazda Miata and Toyota Supra performance tuning
• Volkswagen Beetle and Scion xB ignition system service

Installation Notes and Tips

• Use a 5/8 inch socket wrench for installation and removal
• Verify the pre-gap size of 0.044 inches before installation
• Apply anti-seize compound sparingly on threads if recommended by vehicle manufacturer
• Torque spark plug to manufacturer specifications to avoid damage
• Inspect ignition wires and connectors for wear during replacement

Quality Assurance and Warranty

NGK spark plugs, including the Laser Platinum Spark Plug 3440, are manufactured to meet strict quality standards ensuring consistent performance and durability. The part number Bkr5ep-11 corresponds to this specific model, which undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While NGK provides a limited warranty on their spark plugs, coverage details depend on the vehicle and installation conditions. Always consult vehicle service manuals and NGK documentation for warranty specifics.