Bosch 6725 Spark Plug

Overview of Bosch OE Fine Wire Platinum Spark Plug 6725

The Bosch OE Fine Wire Platinum Spark Plug 6725 is engineered for reliable ignition performance in select Chevrolet, Chrysler, Dodge, Jeep, Mitsubishi, Pontiac, and Saturn vehicles. Designed to meet OEM specifications, this spark plug supports efficient combustion and consistent engine operation.

• Platinum center electrode tip for enhanced durability
• 6000 ohm resistance resistor to reduce electrical noise
• Tapered ground electrode tip with copper core for optimal spark
• Standard ground configuration with a single ground electrode
• Pre-gap size of 1.1 mm for precise ignition timing
• Flat seat type and 16 mm hex size for secure installation
• Heat range 8 suitable for various 4-cycle engines
• Thread diameter of 14 mm and reach of 19 mm
• Ceramic projected insulator for improved insulation and heat dissipation

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 tips that provide consistent spark and longer service life compared to conventional plugs. This product line is designed to meet or exceed original equipment standards, making it suitable for vehicles requiring precise ignition components, such as the Chevrolet Aspen, Dodge Ram 1500, and Jeep Grand Cherokee.

Technical Description and Features

This Bosch spark plug features a platinum center electrode tip combined with a nickel-yttrium and copper core, enhancing electrode durability and conductivity. The ground electrode also uses nickel-yttrium and copper materials with a tapered tip design to optimize spark exposure and combustion efficiency. The 6000 ohm resistor integrated into the plug helps suppress radio frequency interference, ensuring stable engine control module operation. The ceramic projected insulator improves heat resistance and prevents misfires, while the flat seat and 16 mm hex size facilitate proper sealing and ease of installation.

Compatible Vehicles and Applications

• Chevrolet Aspen and Aveo models
• Chrysler Commander and Dodge Durango
• Dodge Dakota and Ram 1500 trucks
• Jeep Grand Cherokee and Raider
• Mitsubishi G3 and G3 Wave
• Pontiac Astra and Saturn models

Common Issues Addressed by Bosch Spark Plug 6725

• Engine misfires and rough idling
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Increased emissions from worn spark plugs
• Interference with electronic ignition systems

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 1.1 mm pre-gap before installation. Use a torque wrench to tighten the plug to manufacturer-recommended specifications to avoid damage to the threads or improper sealing. The 16 mm hex size allows compatibility with standard spark plug sockets. Inspect the spark plug well for debris before installation to prevent contamination.

Quality Assurance and Warranty

Bosch OE Fine Wire Platinum spark plugs are manufactured to meet strict OEM standards, ensuring consistent performance and durability. The use of high-quality materials such as platinum and copper alloys contributes to extended service life. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship.