Champion 7318 Spark Plug

Champion Double Platinum Power Spark Plug Overview

The Champion Double Platinum Power spark plug, part number 7318, is engineered for reliable ignition performance across a wide range of vehicles including Acura, BMW, Ford, Honda, Toyota, and Volkswagen models. Designed with durable platinum materials, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum electrodes for enhanced durability and stable spark
• Pre-set gap size of 0.040 inches (1.02 mm) for optimal ignition
• Non-removable nut electrical terminal for secure connection
• Flat seat type with 0.75 inch reach and 14 mm thread diameter
• Resistor type spark plug to reduce electrical interference
• Heat range 12 suitable for various engine conditions
• Hex size 0.625 inch (15.88 mm) for standard installation tools

Detailed Product Features and Specifications

The Champion 7318 spark plug features a platinum ground electrode core and a platinum center electrode tip, providing long-lasting wear resistance and consistent spark delivery. The ground electrode has a single platinum pad surface, which helps maintain a stable spark gap over time. With a pre-gap size of 0.040 inches (1.02 mm), this spark plug is factory pre-gapped to ensure proper ignition timing and combustion efficiency.

The spark plug’s flat seat design and 0.75 inch reach make it compatible with many passenger cars and light trucks. It includes a non-removable nut electrical terminal type, which ensures a secure and reliable connection to the ignition wire. The resistor built into the plug helps minimize radio frequency interference, protecting sensitive electronic components in modern vehicles.

Double Platinum Power Brand Line Description

The Double Platinum Power line from Champion is designed to provide enhanced durability and consistent ignition performance by utilizing platinum on both the center and ground electrodes. This dual platinum construction reduces electrode wear and extends service life compared to conventional spark plugs. The 7318 spark plug benefits from this technology, making it suitable for vehicles requiring reliable secondary ignition components.

Compatible Vehicles and Applications

This spark plug is compatible with a broad range of makes and models, including but not limited to Acura 4Runner, BMW 750iL, Ford Escape, Honda Accord, Toyota Camry, and Volkswagen Beetle. It is designed for use in vehicles requiring a 14 mm thread diameter, 0.75 inch reach, and a heat range of 12.

• Improves ignition reliability in Acura 4Runner and Honda Civic
• Supports efficient combustion in Toyota Corolla and Ford Ranger
• Reduces misfires and rough idling in BMW 750iL and Volkswagen Passat
• Helps maintain engine performance in Chrysler and Dodge models

Installation Notes and Tips

• Verify thread size and reach to match vehicle specifications before installation
• Use a torque wrench to tighten to manufacturer recommended torque to avoid damage
• Inspect ignition wires and connectors for wear or corrosion during replacement
• Ensure the spark plug gap remains at the factory pre-set 0.040 inches if regapping is necessary

Quality Assurance and Warranty

Champion spark plugs, including the Double Platinum Power 7318, are manufactured to meet OEM standards for fit, form, and function. The use of platinum electrodes ensures extended service life and consistent performance. While specific warranty details may vary, Champion products typically come with a limited warranty against defects in materials and workmanship.