Bosch 9694 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Spark Plug 9694

The Bosch OE Fine Wire Double Iridium Spark Plug 9694 is engineered for reliable ignition performance in select Honda, Nissan, Subaru, and Mercedes-Benz vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Platinum-iridium and nickel-yttrium ground electrode tip for stable spark
• Copper ground electrode core material for optimal conductivity
• 6000 ohm resistance to reduce electrical noise
• Flat seat type with a 26.5 mm reach and 12 mm thread diameter
• Projected ceramic insulator for improved heat dissipation
• Manufacturer heat range rating of 7 suitable for various engine conditions
• Hex size 14 mm for standard installation tools

Detailed Product Description

This Bosch spark plug features a fine wire double iridium design, combining an iridium center electrode tip with a platinum-iridium ground electrode tip. The center electrode core is made from a nickel-yttrium and copper alloy, enhancing conductivity and wear resistance. The ground electrode uses copper as its core material, ensuring efficient heat transfer and electrical performance. The spark plug includes a 6000 ohm resistor to minimize radio frequency interference, supporting modern vehicle electronics.

The ceramic insulator is projected and designed to withstand high temperatures, while the flat seat type ensures a secure fit in the combustion chamber. With a pre-gap size of 1 mm and a reach of 26.5 mm, this spark plug is engineered to meet the precise requirements of compatible vehicles.

OE Fine Wire Double Iridium Product Line

The Bosch OE Fine Wire Double Iridium line focuses on delivering spark plugs with enhanced electrode materials and design for improved ignition reliability and longevity. This product line utilizes fine wire iridium and platinum-iridium electrodes to provide consistent spark performance and extended service life, making it suitable for a range of modern 4-cycle engines.

Compatible Vehicles and Applications

• Honda Accord, CR-V, Fit, Insight
• Nissan Altima, Sentra, Rogue, Rogue Select
• Subaru Crosstrek, Forester, Impreza, Legacy, Outback, XV Crosstrek
• Mercedes-Benz C63 AMG, CL63 AMG, CLS63 AMG, E63 AMG, ML63 AMG, R63 AMG, S63 AMG, SL63 AMG

Common Issues Addressed by Bosch Spark Plug 9694

• Engine misfires and rough idling
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine
• Increased exhaust emissions
• Loss of engine power and acceleration

Installation Notes and Tips

Ensure the engine is cool before removing old spark plugs. Use a torque wrench to tighten the Bosch 9694 spark plug to manufacturer specifications to avoid damage. The 14 mm hex size allows for standard spark plug sockets. Verify the pre-gap size of 1 mm before installation, although the spark plug comes pre-gapped. Replace spark plugs in sets to maintain consistent engine performance.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Iridium spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The use of premium materials such as iridium and platinum-iridium electrodes contributes to extended service life. Warranty coverage details should be confirmed with the vehicle manufacturer or Bosch authorized service centers.