Brake Light Switch for 1952-1956 Oldsmobile 98 & More - Standard Ignition SLS-40

$20.99

Vehicles this part fits

    Part number: SLS-40
    UPC: 091769025830
    Condition: New
    Weight: 0.20 LBS
    Item Package Quantity: 1
    $20.99
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    Standard Ignition Brake Light Switch P/N:SLS-40
    Standard Ignition Brake Light Switch P/N:SLS-40
    $20.99
    $20.99

    Keep your brake lights firing the moment the pedal moves with the Standard Ignition Brake Light Switch SLS-40. This stoplight switch signals the brake lamps to illuminate when the brakes are applied, and it drops in across a wide range of vintage GM iron — 1951-1955 Cadillac Series 62, 1942-1954 Chevrolet Truck, 1941 Chevrolet AJ, 1951-1954 GMC 100, and 1954-1957 Oldsmobile 88, among many others. See the "Vehicles it fits" section for the full list of 76 applications and engine details.

    • Copper alloy conductors: deliver strong electrical conductivity with low resistive losses.
    • Special-design spring and contact arrangement: reduces arcing for extended service life.
    • Brass or high-impact composite housings: built as specified for performance and durability.
    • 100% tested: each switch is verified for both mechanical and electrical switching performance.

    If brake lights that fail to come on — or that stay lit — trace back to a faulty original switch, this replaces it. Standard Ignition builds these to the robust, high-grade material standards demanded by today's service professional. Always diagnose the cause before replacing.

    Interchange: 19106739 · S190 · DR446 · SL128 · 1997901 · 1997912 · 1997915 · 1997922

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

    19106739, S190, DR446, SL128, 1997901, 1997912, 1997915, 1997922

    Frequently Asked Questions

    What does the SLS-40 brake light switch do?

    It signals the brake lights to illuminate when you press the brake pedal. When the pedal is released, the switch opens and the lamps go out.

    What are signs this switch may need replacing?

    Brake lights that don't come on when you press the pedal, or lights that stay on constantly, can point to a failed switch. Diagnose the cause before replacing.

    Will this fit my vehicle?

    It's listed for 76 applications including Cadillac, Chevrolet, GMC, and Oldsmobile models from 1941-1959. Check the "Vehicles it fits" section to confirm your exact vehicle.

    What is the switch housing made of?

    Standard Ignition builds these stoplight switches with brass or high-impact composite housings as specified for the application, for performance and durability.

    Is this switch tested before shipping?

    Yes. Each unit is 100% tested to verify both its mechanical and electrical switching performance.

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