Bosch 8104 Spark Plug

Overview of Bosch OE Fine Wire Double Platinum Spark Plug 8104

The Bosch OE Fine Wire Double Platinum Spark Plug 8104 is engineered for reliable ignition performance in a range of GM vehicles. Designed with durable platinum electrodes and a ceramic insulator, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum electrodes for extended durability
• 6000 ohm resistor to reduce electrical interference
• Standard ground electrode tip and configuration
• 1 mm pre-gap size for optimal spark delivery
• Tapered seat type with 14 mm thread diameter
• Compatible with multiple Buick, Cadillac, Chevrolet, GMC, and other GM models
• Heat range 8 for balanced thermal performance
• Projected ceramic insulator for improved ignition

Detailed Features and Specifications

This Bosch spark plug features a center electrode tip made of platinum, supported by a nickel-yttrium and copper core, which enhances conductivity and wear resistance. The ground electrode tip also uses platinum combined with nickel-yttrium, contributing to longer service life and stable spark generation. The spark plug has a 17.5 mm reach and a 16 mm hex size, making it compatible with a wide range of ignition systems. Its 6000 ohm resistance resistor helps minimize radio frequency interference, ensuring smooth operation of onboard electronics.

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. This product line focuses on fine wire electrodes that provide precise spark control and improved ignition efficiency. The double platinum design enhances electrode durability, making it suitable for vehicles requiring long-lasting spark plugs with consistent performance, such as the Chevrolet Silverado 1500 and Cadillac Escalade.

Compatible Vehicles and Applications

This spark plug is compatible with a variety of GM makes and models, including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, and Saab. Notable compatible models include the Chevrolet Camaro, Silverado 1500, Tahoe, and Suburban 1500, as well as the Cadillac CTS and Escalade series. The Bosch 8104 spark plug is designed for 4-cycle engines and is ideal for vehicles requiring a heat range 8 spark plug with a tapered seat and standard ground electrode.

• Resolves misfires and rough idling in GM 4-cycle engines
• Improves cold start performance in vehicles like the Buick LaCrosse and Chevrolet Impala
• Reduces fouling and electrode wear in high-mileage Cadillac Escalade
• Helps maintain fuel efficiency in Chevrolet Silverado 1500 and GMC Sierra 1500
• Supports stable ignition timing in performance models such as the Pontiac GTO and Camaro

Installation Notes and Tips

When installing the Bosch OE Fine Wire Double Platinum Spark Plug 8104, ensure the spark plug gap is set to 1 mm as specified. Use a torque wrench to tighten the plug to manufacturer-recommended specifications to avoid damage to the tapered seat or threads. This spark plug is designed for standard ground electrode configurations and requires a 16 mm socket for installation. It is important to verify compatibility with your specific vehicle model and engine type before installation.

Quality Assurance and Warranty

Bosch spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition performance and durability. The OE Fine Wire Double Platinum 8104 spark plug includes a resistor to reduce electrical interference, supporting vehicle electronics. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship under normal use.