Champion 520 Spark Plug

Reliable Spark Plug for Agricultural Engines

The Champion Copper Plus 520 spark plug is engineered to deliver consistent ignition performance for agricultural engines. Designed with durable nickel electrodes and a flat seat type, this spark plug supports efficient combustion and reliable starts in demanding conditions.

• Ground and center electrode core made of nickel for durability
• Pre-gap size of 0.025 inches (0.65 mm) optimized for ignition efficiency
• Flat seat design ensures proper sealing and heat dissipation
• Thread diameter of 0.875 inches (22.225 mm) with a reach of 0.625 inches
• Hex size of 0.938 inches (23.830 mm) for standard installation tools
• Manufacturer heat range rating of 20 suitable for agricultural applications
• Single ground electrode configuration for consistent spark delivery
• Non-resistor type spark plug for direct ignition systems

About the Champion Copper Plus Product Line

The Copper Plus line from Champion focuses on spark plugs with copper core electrodes, providing enhanced conductivity and heat transfer. This design supports stable ignition and improved engine performance, particularly in agricultural engines where reliable spark is critical. The 520 part number within this line offers specifications tailored to meet the demands of various agricultural machinery.

Technical Details and Specifications

The Champion Copper Plus 520 spark plug features nickel material for both the ground and center electrode cores, which balances durability and conductivity. The pre-gap size is set at 0.025 inches (0.65 mm), ensuring optimal spark gap for ignition. Its flat seat type helps maintain a secure fit and effective heat dissipation. The thread diameter measures 0.875 inches (22.225 mm) with a reach of 0.625 inches, compatible with many agricultural engine cylinder heads. The hex size of 0.938 inches (23.830 mm) allows for installation with common spark plug sockets. This spark plug is classified under Champion agricultural plugs and has a manufacturer heat range of 20, suitable for moderate to high operating temperatures.

Applications and Problem Solving

• Compatible with agricultural engines requiring a W20 plug type
• Addresses issues with inconsistent ignition and misfires
• Helps reduce fouling caused by improper electrode materials
• Supports stable combustion in engines operating under heavy load
• Suitable for replacement in engines experiencing poor starting or rough idling

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 0.025 inches (0.65 mm) before installation. Use a 0.938 inch (23.830 mm) hex socket for proper tightening. The flat seat design requires careful torque application to avoid damage to the cylinder head. Confirm thread compatibility with your specific agricultural engine model to prevent cross-threading. This spark plug is designed for non-resistor ignition systems.

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet industry standards for agricultural engine applications. The part number 520 undergoes quality control to ensure consistent performance and durability. While specific warranty details are not provided, Champion products typically adhere to manufacturer quality guidelines to support reliable engine operation.