Bosch YR7NE Spark Plug

Bosch YR7NE Nickel Spark Plug Overview

Bosch YR7NE is a conventional nickel-copper spark plug built for steady ignition performance and OE-style service life. It uses a yttrium-enhanced nickel center electrode with a copper core to support durable spark delivery in secondary ignition systems. This spark plug is a direct fit for select 2008-2015 Smart Fortwo applications.

Key Features

• Conventional nickel-copper spark plug design for everyday engine service
• Yttrium-enhanced nickel center electrode with copper core
• Resistor design rated at 6000 ohms
• Standard ground electrode tip and standard ground configuration
• Flat seat, non-projected ceramic insulator construction
• Pre-gapped at 0.9 mm with 12 mm thread diameter and 16 mm hex size
• Heat range 7 for specified engine applications

Product Details

The Bosch Nickel line focuses on practical ignition replacement parts that follow original equipment specifications for nickel-copper core spark plugs. YR7NE is engineered with a nickel-yttrium center electrode and copper core to balance conductivity and durability, while the resistor design helps control electrical noise in the ignition system. For drivers searching for a Bosch YR7NE spark plug for Smart Fortwo 2008-2015, this part matches the listed OE-style application requirements.

Fits 2008-2015 Smart Fortwo, N/A. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Uses

• Replacing worn spark plugs that cause rough idle
• Addressing hard starting or extended crank conditions
• Restoring consistent combustion in misfiring cylinders
• Correcting poor throttle response tied to ignition wear
• Maintaining ignition performance in Smart Fortwo 2008-2015 service intervals

Installation Notes

Verify the engine specification before installation and confirm the listed 0.9 mm pre-gap against the vehicle service information. Use the correct 12 mm spark plug socket with the 16 mm hex size, and torque to the manufacturer specification for the cylinder head. Inspect the ignition coil, boots, and threads before installing the Bosch YR7NE to help prevent repeat misfire concerns.

Quality Assurance

Bosch manufactures this spark plug to meet or exceed original equipment specifications for nickel-copper core applications. The Bosch YR7NE is built for direct replacement use in the listed Smart Fortwo model years and follows the brand’s conventional ignition component standards.