Brake Caliper Piston for 1990-1993 Volvo 240 & More - Carlson 7739

$9.99
Carlson Disc Brake Caliper Piston
Carlson Disc Brake Caliper Piston

Vehicles this part fits
    Part number: 7739
    Condition: New
    Weight: 0.65 LBS
    Item Package Quantity: 1
    $9.99
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    Carlson Disc Brake Caliper Piston P/N:7739
    Carlson Disc Brake Caliper Piston P/N:7739
    $9.99
    $9.99

    Keep the hydraulic clamping force moving to your brake pads with the Carlson Disc Brake Caliper Piston 7739. Inside the caliper bore, this piston is driven outward by brake-fluid pressure to press the pad against the rotor every time you hit the brakes — a corroded, pitted, or seized piston can drag, leak fluid past its seal, or cause uneven pad wear. It is cataloged for both the front and rear positions on a range of classic Mercedes-Benz and Volvo models.

    • Core hydraulic job: transfers fluid pressure from the caliper bore to the brake pad so it clamps the rotor.
    • Front and rear application: listed for front and rear caliper positions on the covered vehicles.
    • Signs it may need replacing: a sticking or dragging brake, fluid weeping at the caliper, or uneven pad wear can point to a scored or seized piston.
    • Quantity note: the listed applications call for two pistons — confirm your caliper's requirement before ordering.

    Fits many vehicles, including the 1974-1978 Mercedes-Benz 230, 1975-1980 Mercedes-Benz 300D and 1974-1979 Mercedes-Benz 240D. See the "Vehicles it fits" section for the full list of covered Mercedes-Benz and Volvo models.

    Product information is for general reference and may contain errors. See our Disclaimer.

    Frequently Asked Questions

    What does this disc brake caliper piston do?

    When you apply the brakes, fluid pressure pushes this piston out of the caliper bore, clamping the brake pad against the rotor. It converts hydraulic pressure into the mechanical force that stops the wheel.

    How do I know if my caliper piston is bad?

    A brake that sticks or drags, fluid weeping around the caliper, or uneven pad wear can indicate a scored, corroded, or seized piston. Diagnose the cause before replacing, as these signs can have other sources.

    Does this piston fit the front or the rear brakes?

    It is cataloged for both the front and rear caliper positions on the listed Mercedes-Benz and Volvo applications. Match it to the correct caliper on your vehicle.

    Which vehicles does the Carlson 7739 fit?

    It fits many classic Mercedes-Benz and Volvo models, among them the 1974-1978 Mercedes-Benz 230, 1975-1980 Mercedes-Benz 300D and 1974-1979 Mercedes-Benz 240D. Check the "Vehicles it fits" section for the full year and model list.

    How many pistons do I need?

    The listed applications call for two pistons. Confirm the count your specific caliper setup requires before ordering, since this listing quantity may differ from what your job needs.

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