Bosch 79027 Spark Plug

Bosch 79027 Nickel Spark Plug for Fiat 500

Bosch 79027 is a conventional nickel-copper spark plug built for steady ignition performance and value. It is engineered for 2012-2013 Fiat 500 applications and uses a nickel-yttrium center electrode with a copper core for durable secondary ignition service.

Key Features

• Fits 2012-2013 Fiat 500, N/A
• Conventional Bosch Nickel spark plug design
• Nickel-yttrium center electrode with copper core
• Nickel-yttrium ground electrode tip material
• Resistor plug with 6000 resistance
• Standard ground electrode tip and standard ground configuration
• Flat seat, 12 mm thread diameter, 19 mm reach
• Manufacturer heat range 7
• Ceramic insulator with non-projected insulator type

Product Details

The Bosch Nickel line focuses on practical OE-style ignition service, and part number 79027 follows that approach with a conventional nickel-copper construction. The nickel-yttrium center electrode and copper core are selected to provide lasting spark plug performance, while the resistor design helps support stable ignition operation in the vehicle’s secondary ignition system. For drivers searching for a Bosch 79027 spark plug for Fiat 500 models, this part matches the listed 2012-2013 applications and OE-style nickel-copper core requirements noted in the fitment data.

Common Issues This Part Can Address

• Worn or eroded spark plug electrodes
• Rough idle caused by aged ignition components
• Hard starting related to weak spark delivery
• Misfire concerns from degraded plug performance
• Reduced ignition consistency in secondary ignition service

Installation Notes and Tips

Verify the specified gap and thread dimensions before installation, and confirm the flat seat and 19 mm reach match the cylinder head requirements. For 2012-2013 Fiat 500 service, compare the removed plug to Bosch 79027 and follow the vehicle manufacturer’s ignition service procedure, including torque specifications and inspection of the coil-on-plug or wire connection as applicable.

Quality Assurance

Bosch designs this conventional nickel-copper spark plug to meet or exceed original equipment specifications for nickel-copper core spark plug applications. The Bosch 79027 is built for consistent secondary ignition service in the listed Fiat 500 fitments.