Bosch 8119 Spark Plug

Overview of Bosch OE Fine Wire Double Platinum Spark Plug 8119

The Bosch OE Fine Wire Double Platinum Spark Plug 8119 is engineered for reliable ignition performance in a variety of vehicles including Ford Mustang, Chevrolet Cavalier, and Buick Century. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum center and ground electrode tips for enhanced durability
• 6000 ohm resistor to reduce electrical interference
• Standard ground electrode tip and configuration for reliable spark delivery
• Pre-gap size of 1.1 mm optimized for 4-cycle engines
• Tapered seat type with 14 mm thread diameter and 17.5 mm reach
• Ceramic non-projected insulator for heat resistance and electrical insulation
• Hex size 16 mm for standard installation tools
• Manufacturer heat range rating of 8 for controlled thermal performance

Detailed Product Features and Specifications

The Bosch OE Fine Wire Double Platinum spark plug 8119 features a center electrode made from a nickel-yttrium and copper core, coated with platinum for extended wear resistance. The ground electrode tip also combines platinum and nickel-yttrium, providing a stable spark gap and improved longevity. With a resistance of 6000 ohms, this spark plug minimizes radio frequency interference, ensuring smooth engine operation and compatibility with modern vehicle electronics. The tapered seat and 17.5 mm reach ensure proper fitment in compatible engines, while the ceramic insulator maintains optimal thermal insulation and durability under high temperatures.

OE Fine Wire Double Platinum Brand Line Description

The OE Fine Wire Double Platinum line by Bosch is designed to meet or exceed original equipment specifications, offering fine wire electrodes that reduce voltage requirements and improve ignition efficiency. This product line focuses on durability and consistent performance, making it suitable for a wide range of vehicles requiring precise ignition components, such as the Ford Explorer, Chevrolet S10, and Mercury Cougar.

Compatible Vehicles and Common Applications

• Ford Mustang, Explorer, F-150, and Thunderbird
• Chevrolet Cavalier, S10, and Firebird
• Buick Century, LeSabre, and Riviera
• Mercury Cougar and Grand Marquis
• Other makes including GMC, Isuzu, Mazda, Mercedes-Benz, Oldsmobile, Pontiac, and more

Issues Addressed by Bosch Spark Plug 8119

• Misfiring or rough idling due to worn spark plugs
• Reduced fuel efficiency from incomplete combustion
• Difficulty starting engines in cold or damp conditions
• Engine hesitation or loss of power under acceleration
• Electrical interference affecting vehicle electronics

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 1.1 mm before installation. Use a 16 mm socket wrench for proper tightening to avoid damage to the tapered seat. It is recommended to replace spark plugs in sets to maintain balanced engine performance. Always consult the vehicle’s service manual for torque specifications and installation procedures specific to your make and model.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Platinum spark plugs are manufactured to meet strict quality standards and original equipment specifications. The 8119 spark plug includes a built-in resistor to reduce electrical noise and is constructed with durable materials such as platinum and ceramic for long service life. Bosch typically offers a limited warranty on their ignition components; please refer to Bosch documentation for specific warranty details.