Champion 444 Spark Plug

Reliable Ignition Performance for Select Vehicles

The Champion Copper Plus 444 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including Audi RS6, Honda Civic, Toyota Camry, and Subaru Legacy. Designed with durable nickel and copper alloy materials, this spark plug supports efficient combustion and engine reliability.

• Ground electrode core and center electrode tip made of nickel for durability
• Pre-set gap size of 0.035 inches (0.89 mm) for optimal spark
• Flat seat type with a 0.75-inch reach and 14 mm thread diameter
• Resistor type spark plug with a non-removable nut electrical terminal
• Heat range rating of 7 suitable for various engine conditions
• Hex size of 0.625 inches (15.88 mm) for standard installation tools

Detailed Features and Specifications

The Champion Copper Plus 444 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a balance of conductivity and wear resistance. The spark plug has a pre-gap size of 0.035 inches (0.89 mm), ensuring proper spark gap for efficient ignition. Its flat seat design and 0.75-inch reach make it compatible with many small engine applications. The resistor type construction helps reduce electrical noise interference, while the non-removable nut terminal ensures secure electrical connection. With a heat range of 7, this spark plug is designed to operate effectively under a variety of engine temperatures.

About the Champion Copper Plus Product Line

The Copper Plus line from Champion focuses on spark plugs that combine copper core technology with durable electrode materials to provide reliable ignition and consistent performance. The Copper Plus series is tailored for small engine applications and select automotive models, offering a balance of conductivity and longevity. The 444 part number is a representative model within this line, designed to meet specific fitment and performance requirements.

Compatible Vehicles and Applications

• Compatible with Audi RS6, S4, and S6 models
• Fits Honda Civic and Toyota Camry engines
• Suitable for Subaru Legacy and Toyota Highlander
• Also compatible with Aston Martin DB7 and Lamborghini Gallardo
• Works with Saab 9-3 and Volvo 850, 900, and 9000 series

Common Issues Addressed by Champion Copper Plus 444

• Engine misfires due to worn or faulty spark plugs
• Reduced fuel efficiency from inconsistent ignition
• Difficulty starting engines in compatible vehicles
• Rough idling or hesitation during acceleration
• Electrical interference affecting engine sensors

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.035 inches (0.89 mm) before installation if adjustment is necessary. Use a 15.88 mm (0.625 inch) hex socket for proper tightening. Confirm the flat seat and 0.75-inch reach match your engine’s requirements to avoid damage. Torque the spark plug to manufacturer specifications to ensure a secure fit without over-tightening. The non-removable nut terminal requires compatible ignition wires or boots for connection.

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet industry standards for durability and performance. The 444 spark plug undergoes rigorous quality control to ensure consistent heat range and electrode integrity. While specific warranty details may vary, Champion typically offers coverage against manufacturing defects. Refer to Champion’s official documentation for warranty terms applicable to this part number.