Standard Ignition Brake Light Switch P/N:SLS-373
Keep your brake lights responding to the pedal with the Standard Ignition switch SLS-315, a brake light switch (stoplight switch) that turns the stop lamps on each time the brake pedal is pressed. It is a direct-fit replacement for many vehicles, among them the 1998-2002 Volkswagen Passat, 1997-2003 Audi A8 Quattro and 2001-2003 Audi S8. See the "Vehicles it fits" section for the full list and engine-specific details.
Its robust design and high-grade materials are built for the demands placed on today's service professionals. Signs this part may need replacing include brake lights that stay on, brake lights that do not come on when the pedal is pressed, or stop lamps that flicker. Check the bulbs, fuses and wiring before replacing the switch.
Interchange: 4A0945515 · 4A0945515A · SL2055 · RB437 · SL865 · 322945515
This part cross-references / interchanges with the following part numbers:
What does a brake light switch do?
It senses brake pedal movement. It switches the stop lamps on when the pedal is pressed and off when the pedal is released.
Is this the right Passat switch for a 1998-2002 Volkswagen Passat?
SLS-315 is listed for the 1998-2002 Volkswagen Passat. The "Vehicles it fits" section shows the full application details.
Will this S8 switch for the 2001-2003 Audi S8 fit other Audi models?
Yes. Besides the 2001-2003 Audi S8, it is listed for the 1997-2003 Audi A8 Quattro and other Audi models. The "Vehicles it fits" section shows the full list.
What are signs of a failing brake light switch?
Possible signs are brake lights that stay on, fail to light when you brake, or flicker. Check the bulbs, fuses and wiring before replacing the switch.
How is this switch tested?
Standard Ignition tests 100% of these switches to verify both their mechanical and electrical switching performance.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.