Champion 412 Spark Plug

Reliable Spark Plug for Chrysler, Dodge, Jeep, and Plymouth Vehicles

The Champion Copper Plus 412 spark plug is engineered to deliver consistent ignition performance for a range of Chrysler, Dodge, Jeep, and Plymouth models. Designed with durable nickel electrodes and a resistor to reduce electrical noise, this spark plug supports efficient combustion and engine reliability.

• Ground electrode core made of nickel for durability
• Center electrode tip constructed from nickel
• Pre-gapped to 0.035 inches (0.89 mm) for optimal spark
• Flat seat type ensuring proper sealing
• Non-removable nut electrical terminal type
• Heat range rating of 12 for controlled temperature operation
• Thread diameter of 14 mm (0.551 inches) with 0.75-inch reach
• Resistor type spark plug to minimize radio frequency interference
• Hex size of 15.88 mm (0.625 inches) for installation with standard tools

About the Champion Copper Plus Spark Plug Line

The Copper Plus line from Champion features spark plugs with copper cores designed to provide reliable conductivity and heat dissipation. This line balances performance and durability, making it suitable for a variety of ignition systems. The 412 part number spark plug incorporates these characteristics with nickel electrodes and a resistor to support smooth engine operation in compatible vehicles.

Technical Details and Compatibility

The Champion Copper Plus 412 spark plug is classified under the Rc12lyc plug type and features a single ground electrode. Its flat seat design ensures a secure fit in the combustion chamber, while the 0.29-inch insulator height contributes to proper insulation and spark delivery. This spark plug is compatible with several Chrysler, Dodge, Jeep, and Plymouth models including the Cherokee, Comanche, Concorde, Grand Cherokee, Intrepid, LHS, New Yorker, Prowler, TJ, Viper, Wagoneer, and Wrangler.

Common Applications and Issues Addressed

• Restores proper ignition in Chrysler and Jeep engines experiencing misfires
• Improves fuel efficiency by ensuring consistent spark delivery
• Reduces engine hesitation and rough idling in Dodge and Plymouth vehicles
• Helps maintain smooth acceleration and power output
• Minimizes radio frequency interference affecting vehicle electronics

Installation Notes and Tips

• Verify compatibility with your specific vehicle make and model before installation
• Use a 15.88 mm (5/8 inch) spark plug socket for proper torque application
• Check and adjust the spark plug gap if necessary, though pre-gap is set to 0.035 inches
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Torque to manufacturer specifications to avoid damage to the spark plug or cylinder head

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet industry standards for ignition components. The 412 spark plug includes a resistor to reduce electrical noise and is built with nickel electrodes for durability. While specific warranty details may vary, Champion products typically come with a limited warranty against manufacturing defects. Always consult product documentation or the vehicle manufacturer for warranty coverage.