Bosch Spark Plug for Porsche 996/997/Boxster/Cayman (2002-2008)

This Bosch Spark Plug is a direct-fit replacement for Porsche 996/997/Boxster/Cayman models from 2002-2008 listed in the fitment table below. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability.

Technical Details

• Manufacturer part number: 79173
• Part type: Spark Plug
• Application range: 2002-2008
• Porsche model coverage: 996/997/Boxster/Cayman
• Fitment notes: Confirm exact submodel trim such as 40th Anniversary Edition, Carrera, Carrera 4, Carrera 4S, Targa, Targa 4, Targa 4S against the table below.

Fitment & Compatibility

Use the fitment table below to confirm year, model, and listed submodel coverage for this Bosch part. When multiple Porsche variants are covered, matching the exact application in the table is the best way to avoid ordering the wrong part.

If you need help confirming the right Bosch part for your Porsche, send us your fitment details. We have been doing Porsche parts work for over 20 years and still treat fitment questions like they matter.