This Bosch headlight washer relay is a direct-fit replacement for Porsche 996/Boxster applications from 1997–2005 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. A faulty relay can interrupt power delivery to the headlight washer system and leave the wash cycle inactive. Common fitments in this range include Carrera, Turbo trim levels.Technical Details Manufacturer part number: 1-397-328-015 Brand: Bosch Application range: Porsche 996/Boxster (1997–2005) Electrical relay for headlight washer circuit Direct-fit replacement for Bosch relay Fitment & CompatibilityUse the fitment table below to confirm Porsche 996/Boxster coverage and to check year and trim details. Column 4 submodel notes can matter on Porsche applications, so it is worth matching the table to the car before ordering.If you want a second set of eyes on fitment, send us the VIN and we will help narrow it down. We have been doing Porsche brake and parts work for over 20 years, and we still treat fitment questions like they matter. Year Make Model Submodel Notes 1999 Porsche 911 2000 Porsche 911 2001 Porsche 911 2002 Porsche 911 2003 Porsche 911 2004 Porsche 911 2005 Porsche 911 Carrera 2005 Porsche 911 Turbo 1997 Porsche Boxster 1998 Porsche Boxster 1999 Porsche Boxster 2000 Porsche Boxster 2001 Porsche Boxster 2002 Porsche Boxster 2003 Porsche Boxster 2004 Porsche Boxster
