NGK 5507 Spark Plug

NGK Laser Platinum Spark Plug Overview

The NGK Laser Platinum Spark Plug 5507 is engineered for reliable ignition performance in select Ford, Lincoln, and Mercury vehicles. Designed with a platinum center electrode and copper core, this spark plug supports efficient combustion and consistent engine operation.

• Part Number: 5507 (Pznar6a11h)
• Center Electrode Tip Material: Platinum
• Center Electrode Core Material: Copper
• Ground Electrode Core Material: Nickel
• Resistance: 5000 ohms
• Pre-Gap Size: 0.044 inches
• Thread Diameter: 12.00 mm
• Reach: 26.5 mm
• Seat Type: Tapered
• Hex Size: 14 mm
• Manufacturer Heat Range: 6
• Electrical Terminal Type: Non-removable nut

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK features a platinum-tipped center electrode designed to provide longer service life and stable ignition performance. The copper core enhances thermal conductivity, helping to maintain optimal operating temperatures. This combination supports consistent spark delivery and improved fuel efficiency in compatible vehicles.

Detailed Product Description

This NGK Laser Platinum Spark Plug 5507 is built with a single ground electrode featuring a standard design and nickel core for durability. The tapered seat ensures a secure fit in the combustion chamber, while the 14 mm hex size allows for straightforward installation and removal. The spark plug’s resistance rating of 5000 ohms helps reduce electrical noise interference, contributing to smoother engine operation. With a pre-gap size of 0.044 inches, it is optimized for ignition systems in Ford, Lincoln, and Mercury models such as the Expedition, Explorer, F-150, and Mustang.

Compatible Vehicles and Common Applications

• Ford Expedition
• Ford Explorer and Explorer Sport Trac
• Ford F-150, F-250 Super Duty, F-350 Super Duty
• Lincoln Mark LT and Navigator
• Mercury Mountaineer

This spark plug is suitable for addressing issues such as:

• Engine misfires or rough idling
• Reduced fuel efficiency
• Difficulty starting the engine
• Inconsistent acceleration
• Increased exhaust emissions

Installation Notes and Tips

Before installation, verify the spark plug gap matches the vehicle manufacturer’s specifications. Use a torque wrench to tighten the spark plug to the recommended torque to avoid damage to the tapered seat. The non-removable nut terminal type requires compatible ignition wire connectors. Inspect the spark plug threads and combustion chamber for debris before installation to ensure proper seating and performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards for durability and performance. The Laser Platinum Spark Plug 5507 undergoes rigorous testing to ensure consistent ignition and heat range compliance. While specific warranty details may vary, NGK products typically include coverage against manufacturing defects when installed and used according to vehicle manufacturer guidelines.