Bosch 96304 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Pin-to-Pin Spark Plug

The Bosch 96304 spark plug is engineered for reliable ignition performance in Toyota Prius C models. Featuring advanced iridium and platinum materials, this spark plug supports efficient combustion and long service life.

• Part Number: 96304
• Brand Line: OE Fine Wire Double Iridium Pin-to-Pin
• Center Electrode Tip Material: Iridium
• Ground Electrode Tip Design: Pin-to-pin
• Ground Electrode Tip Material: Platinum-iridium and nickel-yttrium
• Resistance: 6000 ohms
• Pre-Gap Size: 0.8 mm
• Thread Diameter: 14 mm
• Reach: 19 mm
• Seat Type: Flat
• Hex Size: 16 mm
• Manufacturer Heat Range: 7
• Insulator Material: Ceramic
• Spark Plug Type: 4-cycle engines

About the OE Fine Wire Double Iridium Pin-to-Pin Product Line

The Bosch OE Fine Wire Double Iridium Pin-to-Pin spark plug line is designed to provide precise ignition with enhanced electrode durability. The pin-to-pin ground electrode tip design improves spark efficiency, while the use of iridium and platinum materials on the electrodes ensures consistent performance and extended wear life. This product line is tailored for applications requiring stable ignition and resistance to electrode erosion.

Detailed Product Description

The Bosch 96304 spark plug incorporates a fine wire iridium center electrode combined with a platinum-iridium and nickel-yttrium ground electrode tip. This combination offers improved ignition reliability and durability for the Toyota Prius C. The spark plug features a 0.8 mm pre-gap size optimized for efficient combustion and a 6000 ohm resistor to reduce electrical noise interference. Its flat seat and 19 mm reach ensure proper fitment and sealing in the engine cylinder head. The ceramic insulator provides excellent heat resistance and electrical insulation, supporting stable spark delivery in 4-cycle engines.

Compatible Applications and Common Issues Addressed

• Compatible with Toyota Prius C models requiring part number 96304 spark plugs
• Helps resolve misfires and rough idling caused by worn or fouled spark plugs
• Improves fuel efficiency by ensuring consistent ignition timing
• Reduces engine hesitation during acceleration
• Minimizes electrode wear for longer service intervals

Installation Notes and Tips

• Verify compatibility with Toyota Prius C before installation
• Use a torque wrench to tighten to manufacturer specifications to avoid damage
• Check and adjust spark plug gap if necessary, though pre-gap is factory set at 0.8 mm
• Inspect spark plug threads and cylinder head for cleanliness before installation
• Replace spark plugs in sets of four for balanced engine performance

Quality Assurance and Warranty

Bosch spark plugs, including the 96304 model, are manufactured to meet strict OEM standards for quality and durability. The OE Fine Wire Double Iridium Pin-to-Pin spark plug line undergoes rigorous testing to ensure consistent performance in secondary ignition systems. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects. Refer to Bosch documentation for exact warranty terms.