Bosch 8114 Spark Plug

Overview of Bosch OE Fine Wire Double Platinum Spark Plug 8114

The Bosch OE Fine Wire Double Platinum Spark Plug 8114 is engineered for reliable ignition performance in a variety of vehicles including Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln, Mazda, Mercury, Saab, and Saturn models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum electrodes for enhanced durability and consistent spark
• 6000 ohm resistor to reduce electrical noise and protect ignition components
• 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 25 mm reach for proper fitment
• Ceramic non-projected insulator for heat resistance and electrical insulation
• Hex size 16 mm for standard installation tools
• Manufacturer heat range 7 suitable for a wide range of engine operating conditions

Details on Bosch OE Fine Wire Double Platinum Product Line

The OE Fine Wire Double Platinum line from Bosch features spark plugs with fine wire platinum center and ground electrodes. This design improves ignition reliability and extends service life compared to conventional plugs. The double platinum construction ensures consistent spark performance and reduced electrode wear, making it suitable for modern vehicles requiring precise ignition timing and durability.

Technical Description and Specifications

The Bosch 8114 spark plug incorporates a platinum center electrode tip and a platinum-nickel-yttrium ground electrode tip, both designed to maintain stable spark gaps over time. The core materials include nickel-yttrium and copper, which contribute to efficient heat dissipation and electrical conductivity. The spark plug features a 6000 ohm resistor to minimize radio frequency interference and protect sensitive electronic components. With a tapered seat and a 25 mm reach, it fits securely in compatible engines. The ceramic insulator is non-projected, providing reliable insulation and heat resistance under various operating conditions.

Compatible Vehicles and Common Applications

• Buick models such as LaCrosse and Enclave
• Cadillac ATS, CTS, SRX, and XTS
• Chevrolet Camaro, Colorado, Equinox, and Traverse
• Ford F-150, Escape, Explorer, Fusion, and Mustang
• GMC Canyon and Terrain
• Lincoln MKS, MKT, MKX, and MKZ
• Mazda CX-9 and Tribute
• Mercury Cougar and Mystique
• Saab 9-4X
• Saturn Vue and Aura

Common Issues Addressed by Bosch Spark Plug 8114

• Engine misfires and rough idling
• Poor fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Reduced engine power and acceleration
• Ignition system interference affecting electronic components

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 1.1 mm pre-gap before installation. Use a 16 mm socket wrench for proper tightening to avoid damage to the tapered seat. It is recommended to replace all spark plugs simultaneously to maintain balanced engine performance. Avoid over-tightening to prevent thread damage in the cylinder head. Consult the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Platinum spark plugs are manufactured to meet OEM standards for fit, form, and function. The use of high-quality materials such as platinum electrodes and ceramic insulators ensures durability and consistent performance. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship under normal use.