Bosch 8124 Spark Plug

Overview of Bosch OE Fine Wire Double Platinum Spark Plug 8124

The Bosch OE Fine Wire Double Platinum Spark Plug 8124 is engineered for reliable ignition performance in Porsche vehicles, including the 718 Boxster, 718 Cayman, and 911 models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Double platinum electrodes for enhanced durability and consistent spark
• Standard ground electrode tip and configuration with copper core for optimal conductivity
• Pre-gap size of 0.7 mm for precise ignition timing
• Flat seat type with 14 mm hex size and 26.5 mm reach for proper fitment
• Resistor type spark plug with 8000 ohm resistance to reduce electrical noise
• Ceramic non-projected insulator for reliable insulation and heat resistance
• Manufacturer heat range rating of 5 suitable for high-performance engines

Detailed Product Features and Specifications

This Bosch spark plug features a center electrode tip made of platinum with a nickel-yttrium core, paired with a ground electrode tip composed of platinum, nickel-yttrium, and copper. The combination ensures long service life and stable spark delivery. The single ground electrode design maintains a standard configuration, supporting consistent ignition in 4-cycle engines. The spark plug’s thread diameter is 12 mm, and it measures approximately 3.28 inches in length, making it compatible with specific Porsche models requiring these dimensions.

About the OE Fine Wire Double Platinum Product Line

The OE Fine Wire Double Platinum line by Bosch is designed to meet or exceed original equipment specifications, providing fine wire electrodes that reduce voltage requirements and improve ignition efficiency. This product line focuses on durability and consistent performance, making it suitable for high-performance vehicles like the Porsche 718 Boxster, 718 Cayman, and 911. The double platinum construction helps extend service intervals compared to conventional spark plugs.

Applications and Common Issues Addressed

• Replacement for worn or fouled spark plugs in Porsche 718 Boxster, 718 Cayman, and 911
• Helps resolve misfires and rough idling caused by electrode wear
• Improves cold start performance and throttle response
• Reduces electrical interference with onboard electronics due to built-in resistor
• Supports consistent combustion to maintain fuel efficiency

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.7 mm pre-gap before installation. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the flat seat and ensure proper sealing. The 14 mm hex size allows for standard spark plug socket compatibility. It is recommended to replace all spark plugs simultaneously to maintain balanced engine performance.

Quality Assurance and Warranty

Bosch OE Fine Wire Double Platinum spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The resistor design minimizes radio frequency interference, protecting vehicle electronics. While specific warranty details are subject to Bosch’s terms, these spark plugs are backed by Bosch’s reputation for automotive component quality and reliability.