Bosch 6722 Spark Plug

Overview of Bosch OE Fine Wire Platinum Spark Plug 6722

The Bosch OE Fine Wire Platinum Spark Plug 6722 is engineered for reliable ignition performance in a range of vehicles including Buick, Chevrolet, Ford, and GMC models. Designed with precision, 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
• Compatible with 4-cycle engines requiring a 14mm thread diameter
• Ceramic non-projected insulator for heat resistance and electrical insulation
• Manufacturer heat range rating of 7 for balanced thermal performance
• Tapered seat type and 11.2 mm reach for proper fitment
• Hex size 16 for standard installation tools

Detailed Product Features and Specifications

This Bosch spark plug features a platinum center electrode tip, which provides longer service life and stable ignition compared to conventional plugs. The ground electrode tip is tapered and made from nickel-yttrium, designed to optimize spark exposure and combustion efficiency. The spark plug includes a 6000 ohm resistor to minimize radio frequency interference, ensuring compatibility with modern vehicle electronics.

The insulator is made from durable ceramic material with a non-projected design, supporting high voltage insulation and heat dissipation. With a thread diameter of 14 mm, a reach of 11.2 mm, and a tapered seat type, this spark plug fits securely in the combustion chamber. The heat range of 7 is suitable for a variety of applications, balancing heat dissipation and preventing fouling.

OE Fine Wire Platinum Brand Line Information

The Bosch OE Fine Wire Platinum line focuses on precision-engineered spark plugs that deliver consistent ignition performance and extended durability. This product line utilizes fine wire platinum technology on the center electrode tip, which reduces electrode wear and maintains a stable spark over time. The OE Fine Wire Platinum spark plugs are designed to meet or exceed original equipment specifications, making them suitable for replacement in many domestic and import vehicles.

Compatible Vehicles and Common Applications

• Buick models such as Century, Regal, and Skylark
• Chevrolet vehicles including Camaro, Impala, and Silverado series
• Ford trucks and SUVs like F-150, Bronco, and E-150 Econoline
• GMC trucks including Sierra and Suburban variants
• Other makes such as Cadillac, Pontiac, Mercury, and Oldsmobile

Common Issues Addressed by Bosch Spark Plug 6722

• 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

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. Ensure the spark plug threads are clean and free of debris. This spark plug is designed for 4-cycle engines and requires a 16 mm hex socket for installation. Replacement should be done in sets to maintain consistent engine performance.

Quality Assurance and Warranty

Bosch OE Fine Wire Platinum Spark Plug 6722 is manufactured to meet strict quality standards and original equipment specifications. The use of premium materials such as platinum and nickel-yttrium alloys ensures durability and reliable performance. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects. Always consult the vehicle’s service manual and Bosch documentation for warranty and maintenance guidelines.