Bosch 9600 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Spark Plug 9600

The Bosch OE Fine Wire Double Iridium spark plug, part number 9600, is engineered for reliable ignition performance in a wide range of vehicles including BMW, Toyota 4Runner, and Nissan Altima. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• Double iridium center and ground electrode tips for enhanced durability
• Tapered ground electrode tip design for improved ignition
• Flat seat type with a 14mm thread diameter and 19mm reach
• Pre-gapped to 1.1 mm for optimal spark delivery
• Resistor type spark plug with 6000 ohm resistance to reduce electrical noise
• Compatible with 4-cycle engines across multiple makes and models

Features and Specifications

This spark plug features a center electrode tip made of iridium, supported by a nickel-yttrium and copper core for excellent conductivity and heat dissipation. The ground electrode tip combines platinum-iridium and nickel-yttrium materials, enhancing wear resistance and longevity. The tapered ground electrode tip design improves spark efficiency and combustion stability. With a manufacturer heat range of 8, this spark plug is suitable for a variety of driving conditions. The ceramic insulator is non-projected, providing reliable insulation and durability under high temperatures.

OE Fine Wire Double Iridium Product Line Details

The Bosch OE Fine Wire Double Iridium line focuses on precision-engineered spark plugs that utilize fine wire electrodes made from iridium and platinum alloys. This design reduces electrode wear and ensures consistent spark performance over time. The double iridium construction in part number 9600 enhances ignition reliability and contributes to smoother engine operation, making it a suitable choice for vehicles such as the Lexus IS300, Subaru Outback, and Volkswagen Jetta.

Applications and Problem Solving

• Restores proper ignition in BMW M3 and Toyota Tacoma engines
• Reduces misfires and rough idling in Nissan Maxima and Hyundai Sonata
• Improves fuel efficiency and throttle response in Chevrolet CTS and Kia Optima
• Minimizes spark plug fouling in Chrysler Sebring and Dodge Caravan
• Supports stable combustion in Mitsubishi Lancer and Infiniti G20

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 1.1 mm pre-gap before installation. Use a 16 mm socket wrench to tighten the spark plug to the manufacturer’s torque specifications. The flat seat design requires proper seating to avoid compression leaks. It is recommended to replace all spark plugs simultaneously for balanced engine performance. This spark plug is designed for 4-cycle engines and is not intended for outdoor power equipment.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Iridium spark plugs undergo rigorous quality control to meet OEM standards. The use of premium materials such as iridium and platinum ensures durability and consistent performance. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects. Refer to Bosch’s official documentation for warranty terms related to part number 9600.