Bosch 96321 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Spark Plug 96321

The Bosch OE Fine Wire Double Iridium Spark Plug 96321 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 and ignition
• Tapered ground electrode tip design with platinum-iridium and nickel-yttrium materials
• Standard ground configuration with a single ground electrode
• Pre-gap size of 1.1 mm optimized for 4-cycle engines
• Flat seat type with a 16 mm hex size for secure installation
• Thread diameter of 12 mm and reach of 26.5 mm for proper fitment
• Ceramic projected insulator for improved insulation and heat resistance
• Manufacturer heat range rating of 7 suitable for specified vehicle applications
• Includes resistor with 6000 ohms resistance to reduce electrical noise

Detailed Product Description

The Bosch OE Fine Wire Double Iridium spark plug 96321 features a fine wire iridium center electrode tip combined with a platinum-iridium and nickel-yttrium ground electrode tip. This combination provides precise spark delivery and extended electrode life. The tapered ground electrode tip design improves ignition efficiency by optimizing the spark gap and flame kernel development. The ceramic projected insulator enhances heat dissipation and electrical insulation, supporting stable engine performance under various operating conditions.

With a pre-gap size of 1.1 mm and a flat seat type, this spark plug ensures proper sealing and consistent spark timing. The 16 mm hex size and 26.5 mm reach allow for straightforward installation in compatible engines. The resistor with 6000 ohms resistance helps minimize radio frequency interference, protecting vehicle electronics.

OE Fine Wire Double Iridium Product Line

The OE Fine Wire Double Iridium line by Bosch is designed to meet original equipment specifications with advanced electrode materials and precise manufacturing. This product line focuses on delivering consistent ignition performance and durability through the use of fine wire iridium and platinum-iridium electrodes. The 96321 spark plug exemplifies this approach, providing reliable operation for vehicles requiring high-quality secondary ignition components.

Compatible Vehicles and Applications

This spark plug is compatible with a range of Hyundai, Kia, Genesis, and Mitsubishi models, including:

• Hyundai Sonata, Santa Fe, Tucson, Palisade, Santa Fe Sport, Venue, Santa Cruz
• Kia Optima, Sorento, Sportage, Rio, Sedona, Telluride
• Genesis G80, G90
• Mitsubishi Outlander

It is designed specifically for 4-cycle engines requiring a heat range of 7 and a flat seat spark plug with the specified thread and reach dimensions.

Common Issues Addressed by Bosch Spark Plug 96321

• Misfires and rough idling due to worn or inefficient spark plugs
• Reduced fuel efficiency caused by incomplete combustion
• Difficulty starting the engine in cold or variable conditions
• Engine hesitation or loss of power under acceleration
• Electrical interference affecting vehicle electronics

Installation Notes and Tips

• Verify compatibility with your vehicle’s make, model, and engine specifications before installation
• Use a torque wrench to tighten the spark plug to manufacturer-recommended torque settings
• Check and adjust the spark plug gap if necessary, maintaining the 1.1 mm pre-gap size
• Inspect the spark plug threads and cylinder head for damage before installation
• Replace spark plugs in sets to ensure balanced engine performance

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 electrode materials and precise construction supports long service life. Warranty coverage details should be confirmed with the vehicle manufacturer or Bosch authorized service providers.