Bosch 6747 Spark Plug

Reliable Ignition with Bosch OE Fine Wire Platinum Spark Plug

The Bosch OE Fine Wire Platinum Spark Plug 6747 is engineered to deliver consistent ignition performance for a range of vehicles including Ford, Jaguar, and Cadillac models. Designed with precision materials and specifications, this spark plug supports efficient combustion and engine reliability.

• Platinum center electrode tip for enhanced durability
• Standard ground electrode tip and configuration
• 6000 ohm resistance for noise suppression
• Pre-gap size of 1.3 mm for optimal spark gap
• Tapered seat type with 14 mm thread diameter and 17.5 mm reach
• Ceramic insulator material with non-projected insulator type
• Hex size of 16 mm for easy installation
• Manufacturer heat range rating of 7
• Compatible with 4-cycle engines

About the OE Fine Wire Platinum Product Line

The Bosch OE Fine Wire Platinum line focuses on delivering spark plugs with fine wire platinum center electrodes that provide improved ignition efficiency and longer service life compared to conventional plugs. This product line is designed to meet or exceed original equipment specifications, making it suitable for vehicles requiring precise ignition components such as the Ford F-150, Jaguar X-Type, and Cadillac DeVille.

Detailed Product Description

The Bosch 6747 spark plug features a platinum center electrode tip combined with a nickel-yttrium and copper core, enhancing conductivity and wear resistance. The single ground electrode with a standard tip design ensures stable spark generation. Its 6000 ohm resistor helps reduce electromagnetic interference, protecting vehicle electronics. The ceramic insulator provides excellent heat resistance and electrical insulation, while the tapered seat ensures a secure fit in the combustion chamber. With a heat range of 7, this spark plug is suitable for a variety of driving conditions and engine types found in vehicles like the Lincoln Navigator and Mazda MPV.

Applications and Common Issues Addressed

• Replacement for worn or fouled spark plugs in Ford Explorer and Mercury Marauder
• Improves misfire issues and rough idling in Pontiac Bonneville and Buick Lucerne
• Restores fuel efficiency and smooth acceleration in Oldsmobile and Lincoln Town Car
• Reduces ignition noise interference affecting onboard electronics
• Supports reliable starts and consistent engine performance in Jaguar DB9 and Ford Mustang

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 1.3 mm pre-gap before installation. Use a 16 mm socket wrench for proper torque application. The tapered seat design requires careful threading to avoid cross-threading. It is recommended to replace spark plugs in sets to maintain balanced engine performance. Compatible with 4-cycle engines, this spark plug is suitable for vehicles such as the Ford F-150, Lincoln Mark VIII, and Mercury Cougar.

Quality Assurance and Warranty

Bosch OE Fine Wire Platinum spark plugs are manufactured to meet strict OEM standards, ensuring reliable performance and durability. The 6747 spark plug includes a resistor to minimize electromagnetic interference, protecting vehicle electronics. While specific warranty details vary by distributor, Bosch products typically come with a limited warranty covering defects in materials and workmanship.