Bosch 9624 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Spark Plug 9624

The Bosch OE Fine Wire Double Iridium Spark Plug 9624 is engineered for reliable ignition performance in select Hyundai, Kia, Genesis, and Mitsubishi vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability
• Tapered ground electrode tip design with platinum-iridium and nickel-yttrium materials
• Standard ground configuration with a single ground electrode
• Flat seat type and 26.5 mm reach for proper fitment
• Resistor value of 6000 ohms to reduce electrical noise
• Hex size of 16 mm and thread diameter of 12 mm
• Manufacturer heat range rating of 8 for optimal thermal performance
• Ceramic projected insulator for improved insulation and heat resistance

Details on Bosch OE Fine Wire Double Iridium Product Line

The OE Fine Wire Double Iridium line from Bosch focuses on delivering spark plugs with fine wire electrodes made from iridium and platinum alloys. This combination enhances electrode longevity and ignition reliability, making it suitable for modern 4-cycle engines. The double iridium design reduces wear and maintains stable spark gaps, contributing to consistent engine performance in vehicles such as the Hyundai Sonata, Kia Optima, and Genesis G80.

Technical Description and Specifications

This Bosch spark plug features a 1 mm pre-gap size and a single ground electrode with a tapered tip, crafted from platinum-iridium and nickel-yttrium materials. The center electrode core combines nickel-yttrium and copper for efficient conductivity. The ceramic insulator is projected to improve spark exposure and heat dissipation. With a flat seat and a reach of 26.5 mm, this spark plug fits securely in compatible engines. The resistor integrated into the plug helps minimize electromagnetic interference, supporting vehicle electronics.

Compatible Vehicles and Common Applications

• Hyundai Accent, Sonata, Santa Fe Sport, Tucson, Veloster
• Kia Optima, Rio, Sorento, Soul, Sportage
• Genesis G80, Equus, Genesis
• Mitsubishi Outlander

This spark plug is designed for 4-cycle engines and is suitable for use in these specific makes and models, ensuring proper fit and function.

Common Issues Addressed by Bosch Spark Plug 9624

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

Installation Notes and Tips

When installing the Bosch OE Fine Wire Double Iridium Spark Plug 9624, ensure the spark plug gap is set to the manufacturer’s recommended specification, typically 1 mm. Use a torque wrench to tighten the plug to the vehicle’s specified torque to avoid damage to the threads or improper sealing. Inspect the spark plug seat and threads for cleanliness before installation. This spark plug is designed for flat seat applications and requires a 16 mm hex socket for installation.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Iridium spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The use of premium materials such as iridium and platinum alloys contributes to extended service life. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects. Refer to Bosch’s official documentation for warranty terms related to part number 9624.