Champion 407 Spark Plug

Reliable Ignition with Champion Copper Plus Spark Plug 407

The Champion Copper Plus Spark Plug 407 is engineered to deliver consistent ignition performance for a range of Ford, Lincoln, Mazda, and Mercury vehicles. Designed with durable nickel electrodes and a tapered seat, this spark plug supports efficient combustion and reliable engine operation.

• Ground electrode core made of nickel for durability
• Non-removable nut electrical terminal type
• Nickel center electrode tip for stable spark delivery
• Pre-gap size of 0.044 inches (1.11 mm) for optimal ignition
• Single ground electrode design
• Tapered seat type ensuring proper fit and seal
• Heat range rating of 14 for balanced thermal performance
• Thread diameter of 14 mm (0.551 inches) with 0.826 inch reach
• Resistor type spark plug to reduce electrical noise
• Hex size of 15.88 mm (0.625 inches) for installation with standard tools

About the Champion Copper Plus Product Line

The Copper Plus line from Champion focuses on spark plugs that utilize copper cores to enhance conductivity and heat dissipation. This line is designed to provide reliable ignition performance and durability in secondary ignition systems. The Champion Copper Plus Spark Plug 407 benefits from this technology, offering a balance of performance and longevity suitable for various Ford, Lincoln, Mazda, and Mercury models.

Technical Details and Compatibility

The Champion Copper Plus Spark Plug 407 features a nickel ground electrode core and center electrode tip, which contribute to consistent spark generation and resistance to electrode wear. The pre-gap size of 0.044 inches (1.11 mm) is factory set to optimize ignition timing and combustion efficiency. Its tapered seat ensures a secure fit in the cylinder head, while the resistor design helps minimize radio frequency interference. This spark plug is compatible with multiple vehicle models including Ford Mustang, Ranger, Taurus, and Lincoln Continental, among others.

Common Applications and Issues Addressed

• Replacement for worn or fouled spark plugs in Ford Aerostar and Bronco II
• Improves ignition stability in Mazda Capri and Mercury Cougar engines
• Helps resolve misfires and rough idling in Lincoln Town Car and Grand Marquis
• Supports efficient combustion in Ford Focus and Mercury Sable
• Addresses starting difficulties and poor fuel economy in compatible vehicles

Installation Notes and Tips

• Verify correct spark plug gap before installation; factory pre-gap is 0.044 inches (1.11 mm)
• Use a torque wrench to tighten to manufacturer specifications to avoid damage
• Ensure the tapered seat is clean and free of debris for proper sealing
• Use the appropriate 15.88 mm (0.625 inch) hex socket for installation
• Check for compatibility with your specific vehicle make and model before installation

Quality Assurance and Warranty

Champion Copper Plus Spark Plug 407 is manufactured to meet OEM specifications for ignition components. The use of nickel electrodes and a resistor design ensures durability and consistent performance. While specific warranty details are not provided, Champion products typically adhere to industry standards for quality and reliability.