Champion 7401 Spark Plug

Champion Double Platinum Power Spark Plug Overview

The Champion Double Platinum Power 7401 spark plug is engineered for reliable ignition performance in a variety of vehicles including Ford F-150, Chevrolet Camaro, and Jaguar S-Type. Designed with durable platinum materials, this spark plug supports consistent engine starts and efficient combustion.

• Double platinum electrodes for enhanced durability and stable spark
• Pre-set gap of 0.050 inches (1.27 mm) for optimal ignition
• Non-removable nut electrical terminal for secure connection
• Tapered seat type ensuring proper fit and sealing
• Resistor type to reduce electrical noise interference
• Thread diameter of 14 mm (0.551 inch) with 0.689 inch reach
• Hex size 15.88 mm (0.625 inch) for standard installation tools

Detailed Product Features and Specifications

This Champion spark plug features a platinum center electrode tip and a platinum ground electrode pad surface, providing extended wear resistance compared to conventional spark plugs. The single ground electrode design with a platinum core material supports consistent spark delivery. The insulator height and projection are precisely engineered at 0.06 inches to maintain proper heat dissipation and prevent fouling. With a manufacturer heat range rating of 10, this plug is suitable for a wide range of operating conditions. The tapered seat ensures a tight seal in the combustion chamber, reducing the risk of compression loss.

Double Platinum Power Brand Line Benefits

The Double Platinum Power line from Champion focuses on delivering long-lasting spark plugs with dual platinum electrodes. This design reduces electrode wear and maintains a stable spark gap over time, which is critical for vehicles like the Ford Explorer Sport Trac and Cadillac DeVille that demand consistent ignition performance. The 7401 part number represents a reliable choice within this product line, balancing durability and ignition efficiency.

Compatible Vehicles and Applications

• Ford F-150, F-250 Super Duty, Explorer, Explorer Sport, Explorer Sport Trac
• Chevrolet Camaro, Express 1500, Sonoma
• Cadillac DeVille, Eldorado, Seville, Fleetwood
• Jaguar DB7, S-Type
• Mazda B2300, Mercury Lynx, Ranger, Tempo

Common Issues Addressed by Champion 7401 Spark Plug

• Engine misfires and rough idling
• Difficulty starting the engine in cold conditions
• Reduced fuel efficiency due to incomplete combustion
• Increased emissions from inefficient spark delivery
• Premature electrode wear causing ignition instability

Installation Notes and Tips

Ensure the spark plug gap is set to the factory specification of 0.050 inches (1.27 mm) before installation. Use a 15.88 mm (0.625 inch) hex socket for proper torque application. The tapered seat requires careful threading to avoid cross-threading; hand-start the plug before tightening with a wrench. The non-removable nut terminal type provides a secure electrical connection but requires compatible ignition wires. Follow vehicle-specific torque specifications to prevent damage to the cylinder head.

Quality Assurance and Warranty

Champion spark plugs undergo rigorous testing to meet OEM standards for fit, form, and function. The Double Platinum Power 7401 spark plug is manufactured with high-quality platinum materials to ensure durability and consistent performance. While specific warranty details vary by retailer, Champion products typically include coverage against manufacturing defects. Consult your vehicle’s service manual and Champion’s warranty policy for additional information.