Front Brake Caliper Piston for 2010-2022 Toyota 4Runner & More - Carlson 7939

$11.99
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Carlson Disc Brake Caliper Piston
Carlson Disc Brake Caliper Piston

Vehicles this part fits
    Part number: 7939
    UPC: 085499198797
    Condition: New
    Weight: 0.89 LBS
    Item Package Quantity: 1
    $11.99

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    Carlson Disc Brake Caliper Piston P/N:7939
    Carlson Disc Brake Caliper Piston P/N:7939
    $11.99
    $11.99

    Keep firm, consistent front braking pressure with the Carlson Disc Brake Caliper Piston 7939. It installs as a direct-fit replacement at the front for many vehicles, among them the 2010-2022 Toyota 4Runner, 2010-2022 Lexus GX460 and 1998-2007 Toyota Land Cruiser; see the "Vehicles it fits" section for the full list. Inside the caliper, the piston uses brake fluid pressure to force the brake pads against the rotor when you press the pedal — a small but vital piece of brake hardware.

    • Function: Uses brake fluid pressure to press the pads against the rotor for stopping.
    • Steel construction: Built from steel and manufactured to hold tight tolerances.
    • Corrosion-resistant: Resists corrosion against harsh road conditions.
    • OE quality: Matches Original Equipment (OE) quality specifications.

    Part specs: 1-1/2 in (37.5 mm) diameter and 1-1/4 in (31.5 mm) height. Industry brake experts agree that when friction materials are due for replacement, the hardware is too — so if a scored, seized or leaking original piston is your problem, this replaces it. Sold individually; the number required varies by vehicle (see the "Vehicles it fits" section). Country of origin: China.

    Interchange: FH7939

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

    7939, FH7939

    Frequently Asked Questions

    What does a brake caliper piston do?

    It uses brake fluid pressure to force the brake pads against the rotor when you apply the brakes, which is how the caliper generates stopping force.

    Which vehicles does the Carlson 7939 fit?

    It fits the front of many vehicles, including the 2010-2022 Toyota 4Runner, 2010-2022 Lexus GX460 and 1998-2007 Toyota Land Cruiser. See the "Vehicles it fits" section for the full list.

    How many pistons do I need?

    This is sold individually and the quantity required varies by vehicle and caliper design. Check the "Vehicles it fits" section for the count that matches your application.

    What is this piston made of?

    It is made of steel, manufactured to hold tight tolerances, and is corrosion-resistant against harsh road conditions.

    What are the piston's dimensions?

    It measures 1-1/2 in (37.5 mm) in diameter and 1-1/4 in (31.5 mm) in height.

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