Bosch 96319 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Spark Plug 96319

The Bosch OE Fine Wire Double Iridium Spark Plug 96319 is engineered for reliable ignition performance in select Mitsubishi and Subaru vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Double iridium center electrode tip for enhanced durability
• Copper ground electrode core for improved conductivity
• Standard ground electrode tip and configuration
• Pre-gap size of 0.7 mm for optimal spark gap
• Flat seat type with 14 mm thread diameter and 26.5 mm reach
• Resistor value of 6000 ohms to reduce electrical noise
• Ceramic projected insulator for heat resistance
• Hex size of 16 mm for installation compatibility
• Manufacturer heat range rating of 6

Detailed Product Description

This Bosch spark plug, part number 96319, belongs to the OE Fine Wire Double Iridium line, which focuses on combining fine wire iridium technology with double iridium tips to provide precise ignition and extended service life. The center electrode tip is made of iridium, known for its high melting point and wear resistance, while the ground electrode tip incorporates a platinum-iridium and nickel-yttrium-copper alloy for enhanced durability. The copper core in the ground electrode improves thermal conductivity, helping to dissipate heat effectively.

The spark plug features a standard ground electrode design and a flat seat type, ensuring proper sealing and fitment. Its ceramic projected insulator enhances heat resistance and electrical insulation. With a pre-gap size of 0.7 mm and a heat range of 6, this spark plug is optimized for stable ignition performance in 4-cycle engines.

Compatible Vehicles and Applications

This spark plug is compatible with various Mitsubishi and Subaru models, including:

• Mitsubishi Lancer
• Subaru Forester
• Subaru Impreza
• Subaru Legacy
• Subaru Outback
• Subaru Tribeca
• Subaru WRX and WRX STI

Common Issues Addressed by Bosch 96319 Spark Plug

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

Installation Notes and Tips

When installing the Bosch OE Fine Wire Double Iridium Spark Plug 96319, ensure the spark plug gap is set to the specified 0.7 mm pre-gap if adjustment is necessary. Use a 16 mm socket wrench for proper torque application. Verify the flat seat type matches the engine’s cylinder head design to ensure a proper seal. Avoid over-tightening to prevent thread damage. This spark plug is designed for 4-cycle engines and should be installed accordingly.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Iridium spark plugs are manufactured to meet strict OEM standards, ensuring consistent performance and durability. The use of premium materials such as iridium and platinum alloys contributes to long service life. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to support reliability in automotive ignition systems.