Bosch 8107 Spark Plug

Overview of Bosch OE Fine Wire Double Platinum Spark Plug 8107

The Bosch OE Fine Wire Double Platinum Spark Plug 8107 is engineered for reliable ignition performance in a range of GM vehicles including Buick, Cadillac, Chevrolet, and GMC models. Designed with durable platinum electrodes and a tapered seat, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum center and ground electrode tips for extended durability
• 6000 ohm resistor to reduce electrical interference
• Standard ground electrode tip and configuration
• Pre-gap size of 1.1 mm for optimal spark delivery
• Tapered seat type with 14 mm thread diameter and 25 mm reach
• Ceramic non-projected insulator for heat resistance
• Hex size 16 mm for standard installation tools
• Manufacturer heat range rating of 8 suitable for various 4-cycle engines

Detailed Product Features and Specifications

The Bosch OE Fine Wire Double Platinum spark plug 8107 features a fine wire design with platinum and nickel-yttrium alloy tips on both the center and ground electrodes. This construction enhances wear resistance and maintains a stable spark gap over time. The center electrode core is made from a nickel-yttrium and copper blend, improving conductivity and heat dissipation. The spark plug includes a 6000 ohm resistor to minimize radio frequency interference, ensuring compatibility with modern vehicle electronics.

The spark plug’s tapered seat and 25 mm reach provide a secure fit in compatible cylinder heads, while the 16 mm hex size allows for straightforward installation using common tools. Its ceramic insulator is non-projected, offering reliable insulation and heat management in 4-cycle engines. The pre-gap size of 1.1 mm is factory set to optimize ignition performance and fuel efficiency.

OE Fine Wire Double Platinum Product Line

The OE Fine Wire Double Platinum line from Bosch is designed to meet or exceed original equipment specifications for ignition components. This product line focuses on fine wire electrodes with platinum tips on both the center and ground electrodes, providing enhanced durability and consistent spark performance. The 8107 spark plug is part of this line, offering a balance of longevity and reliable ignition for vehicles such as the Chevrolet Malibu, Cadillac ATS, and GMC Canyon.

Compatible Vehicles and Common Applications

• Buick LaCrosse, Regal, and Envision
• Cadillac ATS, CTS, and SRX
• Chevrolet Malibu, Impala, and Trailblazer
• GMC Canyon, Envoy, and Sierra
• Hummer H3 and H3T

This spark plug is suitable for 4-cycle engines in these models, providing consistent ignition and helping to maintain engine efficiency.

Common Issues Addressed by Bosch Spark Plug 8107

• Misfires and rough idling due to worn or fouled plugs
• Reduced fuel efficiency from inconsistent spark delivery
• Difficulty starting engines in cold or damp conditions
• Engine hesitation or loss of power under load
• Radio frequency interference affecting vehicle electronics

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 1.1 mm as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the tapered seat. The 16 mm hex size allows for easy installation with standard spark plug sockets. It is recommended to replace all spark plugs in the engine simultaneously to maintain balanced performance.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Platinum spark plugs are manufactured to meet strict quality standards and original equipment specifications. The 8107 spark plug includes a built-in resistor to reduce electrical interference and is constructed with high-grade materials such as platinum and nickel-yttrium alloys for durability. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship.