Champion 7437 Spark Plug

Champion Double Platinum Power Spark Plug Overview

The Champion Double Platinum Power Spark Plug 7437 is engineered for reliable ignition performance in a wide range of vehicles including Buick, Chevrolet, Ford, and Mazda models. Designed with durable platinum electrodes and a tapered seat, this spark plug ensures consistent combustion and long service life.

• Double platinum electrodes for enhanced durability and stable spark
• Pre-gapped at 0.050 inches (1.27 mm) for precise ignition
• Non-removable nut electrical terminal type for secure connection
• Resistor type plug to reduce electrical noise interference
• Tapered seat design for optimal sealing and fit
• Thread diameter of 14 mm (0.551 inches) with 0.984 inch reach
• Heat range 10 suitable for various engine conditions
• Hex size 15.88 mm (0.625 inches) for standard installation tools

Detailed Product Description

The Champion Double Platinum Power 7437 spark plug features a platinum center electrode tip and a platinum ground electrode core, providing enhanced wear resistance and consistent spark delivery. The single ground electrode design combined with a 0.06 inch insulator height supports efficient ignition and combustion. Its resistor type construction helps minimize radio frequency interference, making it suitable for modern vehicles with sensitive electronics. The spark plug’s tapered seat and precise thread dimensions ensure a secure fit in compatible engines.

Compatible Vehicles and Applications

This spark plug is compatible with a broad range of makes and models, including Buick LaCrosse, Chevrolet Malibu, Ford F-150, Mazda CX-7, and many others. It is designed for secondary ignition systems in vehicles such as the Cadillac CTS, GMC Canyon, Hummer H3, Lincoln MKZ, and Suzuki XL-7. The part number 7437 is specifically suited for applications requiring a heat range 10 spark plug with a 14 mm thread diameter and 0.984 inch reach.

• Improves ignition reliability in Buick, Chevrolet, and Ford vehicles
• Reduces misfires and rough idling in compatible models
• Helps maintain fuel efficiency and engine performance
• Addresses issues related to spark plug wear and electrode erosion
• Minimizes electrical interference affecting onboard electronics

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.050 inches (1.27 mm) as pre-gapped. Use a 15.88 mm (5/8 inch) socket wrench for proper tightening. Ensure the tapered seat is clean and free of debris to achieve a proper seal. Avoid over-tightening to prevent thread damage. This spark plug is designed for secondary ignition systems and should be installed according to the vehicle manufacturer’s torque specifications.

Quality Assurance and Warranty

Champion’s Double Platinum Power spark plugs are manufactured to meet OEM specifications for fit, form, and function. The use of platinum electrodes extends service life and maintains consistent performance under various operating conditions. While specific warranty details may vary, Champion products typically come with a limited warranty against manufacturing defects. Refer to Champion’s official documentation for exact warranty terms.