Bosch 8161 Spark Plug

Overview of Bosch OE Fine Wire Double Platinum Spark Plug 8161

The Bosch OE Fine Wire Double Platinum Spark Plug 8161 is engineered for reliable ignition performance in select Chrysler, Dodge, and Jeep vehicles. Designed with durable platinum electrodes and a ceramic insulator, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum electrodes for extended durability
• 6000 ohm resistor to reduce electrical interference
• Standard ground electrode tip and configuration
• 1.1 mm pre-gap size optimized for ignition efficiency
• Tapered seat type with 14 mm thread diameter and 25 mm reach
• Hex size of 16 mm for standard installation tools
• Manufacturer heat range rating of 9 for appropriate thermal management
• Compatible with 4-cycle engines in Chrysler, Dodge, and Jeep models

Detailed Product Description and Attributes

The Bosch OE Fine Wire Double Platinum spark plug 8161 features a center electrode made from platinum with a nickel-yttrium and copper core, enhancing conductivity and wear resistance. The ground electrode tip is also platinum combined with nickel-yttrium, providing consistent spark delivery and longevity. The ceramic insulator is of the projected type, designed to withstand high temperatures and electrical stress. With a resistance of 6000 ohms, this spark plug helps minimize radio frequency interference, ensuring stable engine control module operation.

The spark plug’s tapered seat and 25 mm reach ensure proper fitment and sealing in compatible engines. Its 16 mm hex size allows for easy installation using common automotive tools. The pre-gap size of 1.1 mm is factory set to optimize ignition timing and combustion efficiency. This spark plug is intended for use in 4-cycle engines and does not include additional accessories.

About the OE Fine Wire Double Platinum Product Line

Bosch’s OE Fine Wire Double Platinum line is designed to provide enhanced durability and consistent performance through the use of fine wire platinum electrodes on both the center and ground electrodes. This design reduces electrode wear and maintains a stable spark over time, which is critical for maintaining engine efficiency and emissions compliance in modern vehicles. The 8161 spark plug is part of this line, offering a balance of longevity and reliable ignition for Chrysler, Dodge, and Jeep applications.

Compatible Vehicles and Common Applications

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

This spark plug is suitable for use in these models’ 4-cycle engines, ensuring proper ignition system function and engine performance.

Installation Notes and Tips

• Verify the spark plug gap is set to 1.1 mm before installation if adjustments are necessary.
• Use a 16 mm socket wrench for installation and torque to manufacturer specifications to avoid damage.
• Ensure the tapered seat is clean and free of debris to achieve a proper seal.
• Do not overtighten to prevent thread damage in the cylinder head.
• Replace spark plugs in sets to maintain consistent engine performance.

Quality Assurance and Warranty

Bosch spark plugs, including the OE Fine Wire Double Platinum 8161, are manufactured to meet strict OEM standards for fit, form, and function. The use of high-quality materials such as platinum electrodes and ceramic insulators ensures durability and reliable ignition performance. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects, supporting confidence in product quality.