Bosch F8DC4 Spark Plug

Overview of Bosch Nickel Spark Plug F8DC4

The Bosch Nickel Spark Plug F8DC4 is engineered for reliable ignition performance in select Mercedes-Benz models. Designed with durable nickel and copper materials, this spark plug supports efficient combustion and consistent engine operation.

• Center electrode tip made of nickel for durability
• Standard ground electrode tip and configuration
• Pre-gap size of 0.8 mm for optimal spark
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Hex size 16 mm for easy installation
• Manufacturer heat range rating of 8
• Ceramic non-projected insulator for insulation and heat resistance
• Compatible with 4-cycle engines

Detailed Product Features and Specifications

The Bosch Nickel Spark Plug F8DC4 features a nickel center electrode tip combined with a nickel and copper core, providing a balance of conductivity and wear resistance. The ground electrode tip and configuration are standard, with a single ground electrode to maintain consistent spark delivery. The spark plug has a pre-gap size of 0.8 mm, which is factory set to optimize ignition timing and combustion efficiency. Its flat seat design ensures a secure fit in the cylinder head, while the 14 mm thread diameter and 19 mm reach make it compatible with a range of Mercedes-Benz engines. The ceramic insulator is non-projected, enhancing durability and heat dissipation. This spark plug is designed specifically for 4-cycle engines, making it suitable for many Mercedes-Benz models listed in the fitment.

Nickel Brand Line Overview

The Bosch Nickel product line focuses on spark plugs with nickel alloy electrodes, offering a reliable and cost-effective ignition solution. The Nickel line provides consistent performance and durability for vehicles requiring standard electrode materials, such as the F8DC4 spark plug. This line is well-suited for drivers seeking dependable ignition components without the need for precious metal electrodes.

Compatible Vehicles and Common Applications

• Compatible with Mercedes-Benz models including 300CE, 300E, 300SE, 300SL, 300TE, 400E, 400SE, 400SEL, 500E, 500SEC, 500SEL, 500SL, 600SEC, 600SEL, 600SL, C36 AMG, C220, C230, C280, CL500, E320, E420, E500, S320, S420, S500, S600, SL320, SL500, SL600
• Designed for use in 4-cycle gasoline engines
• Ideal for addressing ignition misfires, rough idling, and poor fuel economy

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.8 mm before installation if adjustment is necessary
• Use a 16 mm socket wrench for proper tightening torque
• Verify thread engagement and avoid cross-threading during installation
• Inspect the cylinder head seat for cleanliness to ensure a proper flat seat fit
• Recommended to replace spark plugs in sets of four for multi-cylinder engines

Quality Assurance and Warranty

Bosch manufactures the F8DC4 spark plug to meet strict quality standards, ensuring consistent performance and durability. The spark plug features a ceramic insulator for heat resistance and a nickel alloy electrode for reliable ignition. While specific warranty details are not provided, Bosch products typically come with manufacturer-backed quality assurance to support automotive maintenance needs.