Standard Ignition Brake Light Switch SLS-186
Standard Ignition Brake Light Switch SLS-186 - view 2
Standard Ignition Brake Light Switch SLS-186 - view 3
Standard Ignition Brake Light Switch SLS-186 - view 4
Standard Ignition Brake Light Switch SLS-186 - view 5
Standard Ignition Brake Light Switch SLS-186 - view 6
Standard Ignition Brake Light Switch SLS-186
Standard Ignition Brake Light Switch SLS-186 - view 2
Standard Ignition Brake Light Switch SLS-186 - view 3
Standard Ignition Brake Light Switch SLS-186 - view 4
Standard Ignition Brake Light Switch SLS-186 - view 5
Standard Ignition Brake Light Switch SLS-186 - view 6

Standard Ignition Brake Light Switch P/N:SLS-186

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$43.99
MPN: SLS-186
Item Package Quantity: 1
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Standard Ignition Brake Light Switch P/N:SLS-186
Standard Ignition Brake Light Switch P/N:SLS-186
$43.99

Keep your brake lights firing the moment you hit the pedal with the Standard Ignition Brake Light Switch (Stoplight Switch), MPN SLS-186. It installs as a direct-fit replacement across a wide range of Subaru applications, including the 1990-2014 Legacy, 1999-2016 Forester, 1999-2014 Impreza, 2000-2014 Outback, 1992-1997 SVX and 2003-2006 Baja — see the Buyer's Guide tab for the full vehicle list. The switch senses brake-pedal movement and completes the circuit that illuminates the stop lamps; if a worn or failed switch is the cause of brake lights that stay off, flicker, or stick on, this replaces it.

  • Copper alloy conductors: provide strong electrical conductivity with low resistive losses.
  • Special-design spring and contact arrangement: reduces arcing for extended service life.
  • 100% tested: verified for both mechanical and electrical switching performance.
  • Brass or high-impact composite housing: built as specified for durability under real-world use.

Backed by Standard Ignition's original-equipment ignition manufacturing and quality control from componentry to finished product.

Interchange: 18-1616
181616 · S37036 · 8669 · JA4229 · SL111 · SL111SB · 83311FG010 · 83311FG011 · 83311FJ000 · 83311FJ001 · 83370AA000 · 83370AA001 · 83370AA010 · SLS186T

This part cross-references / interchanges with the following part numbers:

S37036, 8669, JA4229, SL111, 18-1616, SL111SB, SLS-186, 83311FG010, 83311FG011, 83311FJ000, 83311FJ001, 83370AA000, 83370AA001, 83370AA010, SLS186T

Frequently Asked Questions

What does this brake light switch do?

It senses brake-pedal movement and completes the electrical circuit that turns on your brake lights. On many vehicles it also signals related systems when the pedal is pressed.

How do I know my brake light switch may be failing?

Common signs include brake lights that won't come on, stay on, or flicker. Diagnose the cause first, since wiring or bulbs can produce similar symptoms.

Will this fit my Subaru?

It's a direct-fit replacement for many Subaru models including the Legacy, Forester, Impreza, Outback, SVX and Baja. Check the Buyer's Guide tab to confirm your exact year and model.

What is the manufacturer part number?

This is Standard Ignition SLS-186, also written SLS186. It replaces numbers such as 18-1616, SL111, JA4229 and several Subaru OE part numbers listed in the Interchange.

Is this switch tested before it ships?

Yes. Standard Ignition states these switches are 100% tested to verify both mechanical and electrical switching performance.

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