Autolite 5224 Spark Plug

Overview of Autolite Copper Resistor Spark Plug 5224

The Autolite Copper Resistor Spark Plug 5224 is engineered to deliver reliable ignition performance for a wide range of vehicles including Acura, Ford, Honda, Toyota, and Volkswagen models. Designed with a copper core and resistor technology, this spark plug supports efficient combustion and reduces electrical interference.

• Resistance: 4000 ohms for noise suppression
• Ground Electrode Tip: Tapered nickel design
• Center Electrode Core: Copper for enhanced conductivity
• Pre-Gap Size: 0.044 inches (1.10 mm)
• Hex Size: 5/8 inch (16 mm) for standard installation tools
• Seat Type: Flat for secure fitment
• Insulator: Long projection ceramic for heat resistance
• Electrical Terminal: Stud type

Detailed Features and Specifications

The Autolite Copper Resistor Spark Plug 5224 features a copper center electrode core that improves thermal conductivity and ignition efficiency. The tapered ground electrode tip, made of nickel, ensures consistent spark delivery and durability. With a resistance rating of 4000 ohms, this spark plug effectively reduces radio frequency interference, protecting sensitive electronic components in vehicles such as the BMW 328i, Nissan 240SX, and Jeep Grand Cherokee.

The spark plug’s long projection ceramic insulator enhances heat dissipation and prevents fouling, while the flat seat type ensures a tight seal in the combustion chamber. The 5/8 inch hex size allows for easy installation using common automotive tools. The pre-gap size of 0.044 inches (1.10 mm) is optimized for proper spark gap, contributing to efficient engine performance.

About the Copper Resistor Spark Plug Product Line

The Autolite Copper Resistor Spark Plug line is designed to combine the conductivity benefits of copper with resistor technology to minimize electrical noise. This product line is suitable for a variety of secondary ignition applications, providing a balance of performance and compatibility across multiple vehicle makes and models. The 5224 part number is a representative example, offering features tailored for both domestic and import vehicles.

Compatible Vehicles and Common Applications

• Compatible with Acura, Audi, BMW, Cadillac, Chevrolet, Chrysler, Dodge, Ford, Honda, Isuzu, Jeep, Kia, Lamborghini, Mazda, Mini, Mitsubishi, Nissan, Pontiac, Porsche, Ram, Saturn, Suzuki, Toyota, Volkswagen
• Commonly used in models such as Toyota 4Runner, Honda Accord, Ford F-150, BMW 328i, Nissan 240SX, Jeep Grand Cherokee, and Volkswagen Golf
• Ideal for vehicles requiring a 14 mm thread diameter and 0.750 inch (19.5 mm) reach spark plug

Issues Addressed by Autolite Spark Plug 5224

• Misfiring or rough idling due to worn or fouled spark plugs
• Radio frequency interference affecting vehicle electronics
• Poor fuel efficiency caused by incomplete combustion
• Difficulty starting engines in cold or damp conditions
• Engine hesitation or loss of power under load

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.044 inches (1.10 mm) to ensure optimal performance. Use a 5/8 inch (16 mm) socket wrench for proper torque application. The flat seat design requires careful tightening to avoid damage to the combustion chamber sealing surface. It is recommended to replace spark plugs in sets to maintain consistent engine operation.

Quality Assurance and Warranty

Autolite spark plugs are manufactured to meet or exceed OEM specifications for fit, form, and function. The Copper Resistor Spark Plug 5224 undergoes rigorous quality control to ensure durability and reliable ignition performance. Warranty coverage details should be confirmed with the vehicle manufacturer or authorized Autolite distributor.