Champion 7406 Spark Plug

Champion Double Platinum Power Spark Plug Overview

The Champion Double Platinum Power spark plug part number 7406 is engineered for reliable ignition performance in select Ford, Lincoln, and Mercury vehicles. Designed with platinum on both the center and ground electrodes, this spark plug offers consistent firing and durability for models like the Ford F-150, Explorer, and Lincoln Navigator.

• Double platinum electrodes for extended service life
• Non-removable nut electrical terminal type
• Single ground electrode with platinum core material
• Tapered seat type ensuring proper fit and seal
• Heat range rating of 9 for optimal thermal performance
• Resistor type spark plug to reduce electrical interference
• Thread diameter of 0.470 inches and reach of 1.043 inches
• Hex size 14 mm for standard installation tools

Detailed Product Features and Specifications

The Champion Double Platinum Power 7406 spark plug features a platinum center electrode tip and a platinum ground electrode core, which enhances wear resistance and maintains stable spark over time. The single ground electrode design supports efficient ignition, while the tapered seat ensures a secure fit in the combustion chamber. With a manufacturer heat range of 9, this spark plug is suited for engines requiring moderate heat dissipation. The non-removable nut electrical terminal type provides a reliable connection, and the resistor built into the plug helps minimize radio frequency interference. The thread diameter measures 0.470 inches with a reach of 1.043 inches, compatible with various Ford, Lincoln, and Mercury models.

Compatible Vehicles and Applications

This spark plug is compatible with a range of Ford, Lincoln, and Mercury vehicles, including:

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

It is designed to meet the ignition requirements of these models, ensuring proper fitment and performance.

Installation Notes and Tips

• Verify engine specifications and consult the vehicle’s service manual before installation.
• Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque setting.
• Inspect the spark plug hole for debris and clean if necessary before installation.
• Apply anti-seize compound sparingly on the threads if recommended by the vehicle manufacturer.
• Ensure the spark plug gap matches vehicle specifications; the Double Platinum Power plugs typically come pre-gapped.

Quality Assurance and Product Line Information

The Champion Double Platinum Power line is designed to provide consistent ignition performance with enhanced durability through the use of platinum on both electrodes. This product line focuses on delivering reliable spark plugs that maintain stable firing over extended service intervals. Part number 7406 adheres to Champion’s quality standards, including the use of a resistor to reduce electrical noise and a robust construction to withstand engine conditions. While no specific warranty details are provided here, Champion spark plugs generally meet OEM specifications and quality benchmarks.