Bosch 79009 Spark Plug

Reliable Spark Plug for Chrysler, Dodge, and Jeep Vehicles

The Bosch Nickel 79009 spark plug is engineered to deliver consistent ignition performance for a range of Chrysler, Dodge, and Jeep models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 6000 ohms for effective noise suppression
• Ground Electrode Tip Design: Standard for reliable spark delivery
• Pre-Gap Size: 1.1 mm optimized for proper ignition
• Hex Size: 16 mm for standard installation tools
• Seat Type: Tapered to ensure secure fitment
• Center Electrode Core Material: Nickel-yttrium and copper for durability
• Insulator Material: Ceramic with projected insulator type for heat resistance
• Manufacturer Heat Range: 9 suitable for various engine conditions
• Thread Diameter: 14 mm with 25 mm reach for proper seating

Detailed Bosch Nickel Spark Plug Features

The Bosch Nickel 79009 spark plug features a nickel-yttrium center electrode tip and ground electrode tip, providing stable ignition and resistance to electrode wear. The ceramic insulator with a projected design enhances heat dissipation and prevents misfires. With a resistance rating of 6000 ohms, this spark plug reduces electromagnetic interference, protecting vehicle electronics. The tapered seat and standard ground configuration ensure compatibility with multiple Chrysler, Dodge, and Jeep models including the Ram 1500, Grand Cherokee, Charger, and Wrangler.

About the Bosch Nickel Product Line

The Bosch Nickel line focuses on spark plugs with nickel-based electrodes, offering a balance of durability and cost-effectiveness. These spark plugs are designed for 4-cycle engines and provide reliable ignition performance with standard ground electrode designs. The Nickel series is suitable for drivers seeking dependable replacement parts that meet OEM specifications for a variety of vehicles.

Compatible Vehicles and Common Applications

• Chrysler 300, Aspen, Sebring, PT Cruiser, and Voyager
• Dodge Caravan, Charger, Durango, Magnum, Neon, Stratus
• Jeep Grand Cherokee, Liberty, Wrangler TJ, Commander
• Ram 1500, Ram 2500, Ram 3500 trucks

• Resolves engine misfires and rough idling
• Improves cold start performance
• Reduces electromagnetic interference affecting sensors
• Maintains consistent spark for fuel efficiency
• Prevents electrode wear and corrosion

Installation Notes and Tips

When installing the Bosch Nickel 79009 spark plug, ensure the pre-gap size of 1.1 mm is maintained for optimal ignition. Use a 16 mm socket wrench to tighten the spark plug to the manufacturer’s torque specifications. The tapered seat design requires proper seating to avoid compression leaks. It is recommended to inspect the spark plug threads and clean the cylinder head before installation to ensure a secure fit.

Quality Assurance and Warranty

Bosch manufactures the 79009 spark plug to meet strict quality standards, using high-grade nickel-yttrium and copper materials for electrode durability. The ceramic insulator is designed to withstand high temperatures and prevent fouling. This spark plug includes a resistor to minimize radio frequency interference. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship.