Bosch 6728 Spark Plug

Overview of Bosch OE Fine Wire Platinum Spark Plug 6728

The Bosch OE Fine Wire Platinum Spark Plug 6728 is engineered for reliable ignition performance in a range of vehicles including Buick, Cadillac, Chevrolet, Ford, GMC, Mazda, Mercury, Saab, Saturn models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Platinum center electrode tip for enhanced durability
• Tapered ground electrode tip design for optimal spark exposure
• 6000 ohm resistance resistor to reduce electrical noise
• Standard ground configuration with a single ground electrode
• Pre-gap size of 1.1 mm for precise ignition timing
• Hex size 16 mm and thread diameter 14 mm for proper fitment
• Non-projected ceramic insulator for reliable insulation
• Manufacturer heat range rating of 7 for balanced thermal performance
• Reach length of 25 mm with tapered seat type for secure installation

Details on Bosch OE Fine Wire Platinum Product Line

The OE Fine Wire Platinum line by Bosch focuses on delivering spark plugs with fine wire platinum electrodes that provide consistent spark and longer service life. This product line is designed to meet or exceed original equipment specifications, making it suitable for vehicles requiring precise ignition components. The platinum center electrode and nickel-yttrium ground electrode tip materials contribute to improved wear resistance and stable performance over time.

Technical Description and Specifications

The Bosch 6728 spark plug features a platinum center electrode tip combined with a nickel-yttrium and copper core, enhancing conductivity and electrode longevity. The tapered ground electrode tip design improves spark exposure, which supports efficient combustion. With a resistance of 6000 ohms, this spark plug includes a resistor to minimize electromagnetic interference with vehicle electronics. The ceramic insulator is non-projected, providing reliable insulation and heat dissipation. The heat range of 7 ensures the spark plug operates within optimal temperature limits for a variety of 4-cycle engines.

Compatible Vehicles and Applications

• Compatible with Buick models such as LaCrosse and Enclave
• Fits Cadillac ATS, CTS, SRX, STS, and XTS
• Suitable for Chevrolet Camaro, Colorado, Equinox, Impala, Malibu, Traverse
• Designed for Ford F-150, Focus, Fusion, Escape, Mustang, and others
• Also compatible with GMC Canyon, Terrain, and Yukon

Common Issues Addressed by Bosch 6728 Spark Plug

• Engine misfires and rough idling
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Increased emissions from inefficient ignition
• Loss of engine power and acceleration

Installation Notes and Tips

When installing the Bosch OE Fine Wire Platinum Spark Plug 6728, ensure the pre-gap size of 1.1 mm is maintained for optimal performance. Use a 16 mm socket wrench to tighten the spark plug to the manufacturer’s torque specifications. The tapered seat type requires proper seating to avoid compression leaks. It is recommended to replace all spark plugs simultaneously to maintain balanced engine operation. Avoid over-tightening to prevent thread damage in the cylinder head.

Quality Assurance and Warranty

Bosch spark plugs are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Fine Wire Platinum spark plug line is designed to meet original equipment specifications, providing reliable ignition for compatible vehicles. Warranty coverage details should be confirmed with the vehicle manufacturer or Bosch authorized service providers.