Bosch 7455 Spark Plug

Bosch Nickel Spark Plug for Porsche 911

Bosch 7455 is a conventional nickel-copper spark plug built for steady ignition performance and OE-level fitment. It is listed for 2010-2012 Porsche 911 applications and uses a resistor design with a 14 mm thread, flat seat, and 26.5 mm reach.

The Bosch Nickel line focuses on practical replacement value with a heavy-duty nickel center electrode and copper core construction. For Porsche 911 owners looking for a direct spark plug replacement, Bosch 7455 provides the core specifications needed for consistent secondary ignition service.

Key Features

• Fits 2010-2012 Porsche 911, N/A
• Bosch part number 7455
• Nickel-copper spark plug design
• Resistor type with 5000 resistance
• 14 mm thread diameter and flat seat
• 26.5 mm reach with non-projected ceramic insulator
• Multiple ground electrode design with 4 ground electrodes
• Standard center electrode design with copper core

Detailed Description

Bosch 7455 is engineered as a conventional secondary ignition spark plug for Porsche 911 models from 2010 through 2012. The nickel center electrode with copper core supports durable spark delivery, while the multiple ground configuration and resistor design help maintain stable ignition performance. This spark plug is built to meet or exceed original equipment specifications for nickel-copper core applications, making it a straightforward replacement choice for Porsche 911 maintenance.

The Bosch Nickel product line is aimed at drivers who want an OE-style spark plug with proven materials and a practical service profile. If you are replacing worn plugs on a 2010, 2011, or 2012 Porsche 911, Bosch 7455 matches the listed fitment and key dimensional requirements for the application.

This part cross-references no listed interchange numbers for the same application.

Common Issues This Part Can Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent ignition firing
• Misfire conditions related to aged plugs
• Reduced throttle response from degraded spark delivery
• Maintenance replacement for scheduled ignition service

Installation Notes and Tips

Verify the vehicle application before installation and confirm the 14 mm thread, 26.5 mm reach, flat seat, and resistor specification match the original plug requirements. Inspect ignition components and cylinder condition during service, and follow the vehicle manufacturer’s torque and gap procedures. Bosch 7455 is supplied pre-gapped at 1.6, so confirm the specification against the engine’s service data before installation.

Quality Assurance

Bosch designs this nickel-copper spark plug to meet or exceed original equipment specifications for the listed application. The construction includes a copper-core center electrode, nickel electrode materials, ceramic insulator, and resistor design for dependable ignition service in compatible Porsche 911 models.