Champion 502 Spark Plug

Reliable Ignition with Champion Copper Plus Spark Plug 502

The Champion Copper Plus Spark Plug 502 is engineered for consistent ignition performance in agricultural and industrial engines. Designed with durable nickel electrodes and a flat seat, this spark plug supports efficient combustion and reliable starts in compatible vehicles.

Key Features of Champion Copper Plus Spark Plug 502

• Ground electrode core made of nickel for durability
• Nickel center electrode tip ensuring stable spark delivery
• Pre-gap size of 0.025 inches (0.64 mm) optimized for ignition efficiency
• Flat seat design for secure and proper sealing
• Removable nut electrical terminal type for easy installation
• Heat range rating of 21 suitable for agricultural engine applications
• Thread diameter of 0.709 inches (18 mm) with 0.5 inch reach
• Single ground electrode configuration
• No resistor type, designed for specific ignition systems
• Hex size of 0.875 inches (22.23 mm) for standard wrench compatibility

Detailed Description of Champion Copper Plus Spark Plug 502

The Champion Copper Plus line is known for its copper core technology that enhances conductivity and heat dissipation. The 502 spark plug features a nickel ground electrode core and center electrode tip, providing a balance of durability and performance. Its flat seat ensures a tight fit in the combustion chamber, reducing the risk of compression leaks. The pre-gap size of 0.025 inches (0.64 mm) is factory set to optimize spark efficiency and engine performance. With a heat range of 21, this plug is tailored for agricultural engines requiring moderate heat dissipation. The removable nut terminal type simplifies electrical connections, making it suitable for maintenance and replacement in various agricultural machinery.

Applications and Common Issues Addressed

• Compatible with agricultural engines requiring Champion D21 type spark plugs
• Helps resolve misfires caused by worn or damaged electrodes
• Reduces fouling in engines operating under heavy load or dusty conditions
• Improves cold start reliability in farm equipment
• Maintains consistent ignition timing for steady engine performance

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.025 inches (0.64 mm) before installation
• Use a 0.875 inch (22.23 mm) hex socket for proper torque application
• Apply anti-seize compound on threads if recommended by the engine manufacturer
• Torque to manufacturer specifications to avoid damage to the flat seat
• Check compatibility with your specific agricultural engine model before installation

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet strict quality standards for agricultural applications. While specific warranty details for part number 502 are not provided, Champion products typically come with a limited warranty against manufacturing defects. For precise warranty information, consult the product documentation or Champion's official resources.