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 & Compatibility

Use 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
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

Headlight

Bosch Headlight Washer Relay for Porsche 996/Boxster (1997–2005)