Denso 5087 Spark Plug

Reliable Ignition Performance for Select Vehicle Models

The Denso Iridium Long Life 5087 spark plug is engineered to provide consistent ignition performance for a wide range of vehicles including Audi, Ford, Chevrolet, and Mercedes-Benz models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Iridium center electrode tip for enhanced durability and ignition
• Platinum chip ground electrode tip for stable spark delivery
• Copper core center electrode for improved conductivity
• Nickel ground electrode core material with standard ground configuration
• Pre-gap size of 1.1 mm for optimal spark gap
• Tapered seat type and 14 mm thread diameter for secure fitment
• Hex size of 16.0 mm for easy installation
• Manufacturer heat range rating of 20 suitable for various driving conditions
• Compatible with multiple makes and models including Ford F-150, Audi A8, and Chevrolet Camaro

About the Denso Iridium Long Life Spark Plug Line

The Iridium Long Life series by Denso is designed to offer extended service intervals and reliable ignition performance. Featuring an iridium center electrode tip, these spark plugs provide improved wear resistance and stable spark generation compared to conventional plugs. The combination of iridium and platinum chip technology in the 5087 model ensures consistent combustion efficiency and longevity, making it suitable for vehicles requiring durable secondary ignition components.

Technical Details and Specifications

The Denso 5087 spark plug features a copper core center electrode that enhances electrical conductivity, paired with an iridium tip to resist electrode wear. The ground electrode uses a platinum chip tip and nickel core material arranged in a standard single ground electrode configuration. With a pre-gap size of 1.1 mm and a tapered seat type, this spark plug ensures proper spark gap and secure installation. The thread diameter measures 14.00 mm with an 18.00 mm reach, fitting a variety of engines. The manufacturer heat range of 20 indicates its suitability for moderate to high operating temperatures.

Compatible Vehicles and Applications

• Designed for use in Audi A8, A8 Quattro, and 190E models
• Compatible with Ford F-150, F-250, Mustang, and Explorer series
• Fits Chevrolet Camaro, Corvette, and Cavalier engines
• Suitable for Jaguar XJ12, Land Rover LR3, and Lincoln Town Car
• Also compatible with Mazda, Mercury, Oldsmobile, Pontiac, and Volvo models

Common Issues Addressed by Denso 5087 Spark Plug

• Engine misfires and rough idling
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Loss of power and acceleration hesitation
• Increased emissions from inefficient ignition

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 1.1 mm as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the tapered seat. Ensure the thread diameter of 14 mm and reach of 18 mm match the engine specifications. It is advisable to replace spark plugs in sets to maintain balanced engine performance. Inspect the ignition system components for wear or damage during replacement.

Quality Assurance and Warranty

Denso spark plugs, including the Iridium Long Life 5087, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using genuine Denso parts helps maintain engine reliability and ignition system integrity.