Bosch 8502 Spark Plug

Reliable Ignition Performance for Acura, Honda, Jaguar, and Land Rover

The Bosch EVO 8502 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including the Honda Civic, Acura Integra, Jaguar F-Type, and Land Rover Defender models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

Key Features of Bosch EVO 8502 Spark Plug

• Iridium center electrode tip for enhanced durability and stable ignition
• Standard ground electrode tip and configuration for reliable spark delivery
• 6000 ohm resistance resistor to reduce electrical noise and protect ignition systems
• Flat seat type with a 14mm hex size for secure installation
• Pre-gap size of 0.7 mm optimized for 4-cycle engines
• Reach length of 26.5 mm and thread diameter of 12 mm for precise fitment
• Ceramic insulator with projected design for improved heat dissipation
• Center electrode core made of nickel-chromium-iron and copper for conductivity
• Ground electrode tip composed of platinum and nickel-chromium-iron and copper for wear resistance

About the Bosch EVO Spark Plug Line

The EVO line from Bosch focuses on delivering advanced ignition components that combine durable materials with precise engineering. The EVO 8502 spark plug incorporates iridium and platinum electrode tips to provide a balance of longevity and consistent spark performance, suitable for modern 4-cycle engines found in Acura, Honda, Jaguar, and Land Rover vehicles.

Applications and Common Issues Addressed

• Compatible with Acura Integra and Honda Civic models requiring a 4-cycle iridium spark plug
• Suitable for Jaguar F-Type and Land Rover Defender series needing reliable ignition components
• Helps resolve misfires caused by electrode wear or poor spark conduction
• Reduces ignition system interference with built-in 6000 ohm resistor
• Supports stable engine performance by maintaining proper gap and heat range

Installation Notes and Tips

• Ensure the spark plug gap is set to the specified 0.7 mm pre-gap before installation
• Use a 14 mm socket wrench to tighten the spark plug securely without over-torquing
• Verify thread diameter (12 mm) and reach (26.5 mm) match vehicle specifications to avoid damage
• Inspect ignition coil boots and wiring for compatibility with resistor spark plugs

Quality Assurance and Warranty

Bosch manufactures the EVO 8502 spark plug to meet strict quality standards, utilizing high-grade materials such as iridium and platinum for electrode tips and ceramic for the insulator. While specific warranty details are not provided, Bosch products typically adhere to industry quality controls to ensure reliable performance in compatible Acura, Honda, Jaguar, and Land Rover vehicles.