The BOSCH FR7NII33X (0 242 236 593) Double Iridium Spark Plug  is a high-performance ignition solution designed to restore and enhance your vehicle’s engine performance. Manufactured with advanced Double Iridium technology, this spark plug delivers outstanding ignitability, superior wear resistance, and consistent spark performance throughout its service life.

The ultra-fine 0.6 mm iridium center electrode requires lower ignition voltage while creating a concentrated spark for efficient fuel combustion. Combined with the iridium tapered ground electrode and Bosch laser welding technology, the FR7NII33X offers excellent durability, stable performance, and improved engine responsiveness.

Designed to meet or exceed OEM requirements, this Bosch spark plug is an ideal replacement for drivers experiencing hard starts, poor acceleration, rough idling, or reduced fuel economy.

Key Features

• Genuine BOSCH Double Iridium Spark Plug
• Ultra-fine 0.6 mm iridium center electrode
• Iridium tapered ground electrode design
• Exceptional ignition performance and fuel combustion
• 360° continuous laser-welded electrode construction
• Superior resistance to electrode wear and corrosion
• Factory pre-gapped for easy installation
• Nickel-plated housing for corrosion protection
• Rolled threads prevent seizing and simplify removal
• Ribbed ceramic insulator prevents electrical flashover
• Copper core technology helps prevent pre-ignition and fouling
• Designed for modern gasoline engines
• OEM-quality fit, form, and function

Technical Specifications

Benefits

The Bosch FR7NII33X Double Iridium Spark Plug is designed to maximize engine efficiency by delivering a strong and stable spark with every ignition cycle. The fine wire iridium electrode improves flame development, helping fuel burn more completely for better performance and improved mileage.

Its advanced laser-welded construction keeps the iridium material securely in place, while the nickel-plated shell protects against corrosion and thread damage. The high-strength ceramic insulator provides excellent electrical insulation, ensuring reliable operation in high-temperature engine environments.

Common Problems It Helps Solve

• Difficulty starting the engine
• Poor acceleration response
• Increased fuel consumption
• Engine misfires
• Rough idling
• Reduced engine power
• Poor combustion efficiency
• Spark plug wear and corrosion

Compatible Vehicles (Selected Applications)

The BOSCH FR7NII33X is compatible with selected vehicles including:

Honda Civic (2010 – 2012)

Suzuki Grand vitara