Bosch 96345 Spark Plug

Bosch OE Fine Wire Double Iridium Spark Plug

Bosch OE Fine Wire Double Iridium spark plug 96345 is built for direct-fit ignition service on a wide range of Audi, Volkswagen, and Porsche applications. It combines a fine-wire iridium center electrode with a laser-welded ground design to support strong ignitability, stable combustion, and long service life.

The OE Fine Wire Double Iridium line focuses on factory-style fitment with electrode materials chosen for durability and consistent spark performance. For drivers searching for a Bosch 96345 spark plug for Audi A4, A6, Q5, or Volkswagen GTI applications, this plug is engineered to match the demands of modern turbocharged and high-output engines.

Key Features

• Fine-wire iridium center electrode for precise spark delivery
• Double iridium construction with laser-welded ground electrode
• Tapered ground electrode design for improved ignitability
• Resistor spark plug with 6000 resistance specification
• Flat seat, 14 mm thread diameter, 19 mm reach
• Pre-gapped at .7 for OE-style service applications
• Ceramic insulator with non-removable nut terminal
• Compatible with many Audi, Volkswagen, and Porsche engine platforms

Product Details

Bosch 96345 uses an iridium-alloy center electrode firing pin and an iridium-platinum ground tip to help maintain consistent spark characteristics over extended service intervals. The fine-wire center electrode improves ignitability, while the laser-welded ground electrode with iridium alloy inlay is built for durability under repeated heat cycles. This spark plug is a strong match for owners servicing Audi A4, A6 Quattro, Q5, S4, and Volkswagen GTI or Tiguan engines that call for OE-style ignition performance.

This part cross-references no listed interchange numbers in the provided data.

What It Helps Address

• Misfires caused by worn or eroded spark plug electrodes
• Rough idle from inconsistent ignition output
• Hard starting related to weak spark delivery
• Reduced throttle response from degraded combustion efficiency
• Service intervals that require a durable OE-style replacement plug

Installation Notes

Verify engine code, plug reach, thread diameter, seat type, and heat range before installation. Bosch 96345 is a flat-seat, 14 mm spark plug with a 19 mm reach and .7 pre-gap, so confirm the engine specification matches before torquing into place. Use proper spark plug socket tools and follow the vehicle manufacturer’s torque procedure to avoid thread or insulator damage.

For fitment searches, this plug is commonly selected for Bosch 96345 Audi A4 spark plug replacement, Bosch 96345 Volkswagen GTI ignition service, and Bosch 96345 Porsche Cayenne tune-up applications.

Quality Assurance

Bosch OE Fine Wire Double Iridium plugs are engineered around OE-style ignition requirements, with laser-welded electrode construction and iridium-based materials selected for durability and consistent performance. The design supports long-term service in modern direct-fit ignition systems across Audi, Volkswagen, and Porsche applications.