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WZBIT Auto Brake Caliper 343362 1K0615123B 1K0615123E for Audi A3

Think of your brake calipers as the heart of your braking system—they're the components that activate the stopping process. While rotors and pads handle the friction, it's the calipers that apply and control the pressure. A stuck caliper can cause uneven pad wear, rotor damage, and pulling to one side, while leaking calipers lead to spongy pedal feel as air enters the system. Performance drivers upgrade to fixed-mount calipers that eliminate flex for more immediate response. Regular maintenance—cleaning slide pins, replacing seals, and flushing fluid—keeps your calipers functioning like new. Remember: No matter how good your pads are, weak calipers mean weak brakes.

    OEM NO.

    1K0615123B

    1K0615123E

    1K0615123F

    1K0615125D

    1K0615125E

    19-6648

    1K0615123
    1K0615123M
    8J0615123A
    1Z0615123

    Vehicle Application

    AUDI A3 (8P1)      (2003/05 - 2012/08)
    AUDI A3 Sportback (8PA)      (2004/09 - 2013/03)
    AUDI TT (8J3)      (2006/08 - 2014/06)
    AUDI TT Roadster (8J9)      (2007/03 - 2014/06)
    AUDI A3 Convertible (8P7)      (2008/04 - 2013/05)
    AUDI A1 (8X1, 8XF)      (2010/05 - /)
    AUDI A1 Sportback (8XA, 8XK)      (2011/09 - /)
    VW TOURAN (1T1, 1T2)      (2003/02 - 2010/05)
    VW RABBIT V (1K1)      (2003/10 - 2009/02)
    VW CADDY III Box (2KA, 2KH, 2CA, 2CH)      (2004/03 - /)
    VW CADDY III Est(2KB, 2KJ, 2CB, 2CJ)      (2004/03 - /)
    VW GOLF PLUS (5M1, 521)      (2005/01 - 2013/12)
    VW PASSAT Saloon (3C2)      (2005/03 - 2010/11)
    VW VENTO III (1K2)      (2005/08 - 2010/10)
    VW PASSAT Variant (3C5)      (2005/08 - 2011/10)
    VW EOS (1F7, 1F8)      (2006/03 - /)
    VW JETTA V Est(1K5)      (2007/06 - 2009/07)
    VW CC (357)      (2008/05 - 2012/01)
    VW SCIROCCO (137, 138)      (2008/05 - /)
    VW GOLF VI (5K1)      (2008/10 - 2013/11)
    VW POLO (6R, 6C)      (2009/06 - /)
    VW GOLF VI Variant (AJ5)      (2009/07 - 2013/07)
    VW PASSAT (362)      (2010/08 - 2014/12)
    VW PASSAT Variant (365)      (2010/08 - 2014/12)
    VW JETTA VI IV (162, 163)      (2010/04 - /)
    VW GOLF VI Convertible (517)      (2011/03 - /)
    VW NOVO FUSCA (5C1)      (2011/04 - /)
    VW VENTO Saloon (60)      (2009/05 - /)
    VW CC (358)      (2011/11 - /)
    VW TOURAN (1T3)      (2010/05 - /)
    VW BEETLE Convertible (5C7)      (2011/12 - /)
    VW PASSAT ALLTRACK (365)      (2012/01 - 2014/12)
    SKODA OCTAVIA (1Z3)      (2004/02 - 2013/06)
    SKODA OCTAVIA Combi (1Z5)      (2004/02 - 2013/06)
    SKODA PRAKTIK (5J)      (2006/03 - /)
    SKODA FABIA      (2006/12 - 2014/12)
    SKODA FABIA Combi      (2007/10 - 2014/12)
    SKODA ROOMSTER Praktik (5J)      (2007/03 - /)
    SKODA SUPERB (3T4)      (2008/03 - 2015/05)
    SKODA YETI (5L)      (2009/05 - /)
    SKODA SUPERB Est(3T5)      (2009/10 - 2015/05)
    SKODA RAPID (NH3)      (2012/07 - /)
    SKODA RAPID Spaceback (NH1)      (2012/07 - /)
    SEAT ALTEA (5P1)      (2004/03 - /)
    SEAT TOLEDO III (5P2)      (2004/04 - 2009/05)
    SEAT LEON (1P1)      (2005/05 - 2012/12)
    SEAT ALTEA XL (5P5, 5P8)      (2006/10 - /)
    SEAT IBIZA V (6J5, 6P5)      (2008/03 - /)
    SEAT IBIZA V SPORTCOUPE (6J1, 6P1)      (2008/07 - /)
    SEAT IBIZA V ST (6J8, 6P8)      (2010/03 - /)
    SEAT TOLEDO IV (KG3)      (2012/07 - /)

    Reference No.

    18FR2744 AC-DELCO

    077-1727S BECK/ARNLEY

    19-B2975

    19B2974

    242-73526A NAPA / RAYLOC

    10-02588-1 PROMECANIX

    SC1942 DNS

    102461S UCX

    A.B.S. 520011

    ATE 11.9541-9553.2
    BENDIX 694441B
    BOSCH 0 986 47A 384
    BOSCH 0 986 473 384
    Brake ENGINEERING CA2291
    BREMBO F 85 198
    CARDONE 384294

    product description

    Auto brake calipers are a cornerstone of any vehicle's braking system, playing a critical role in bringing a car safely to a stop. Essentially, they are the component that houses the brake pads and presses them against the brake rotors (or discs) to create friction, which in turn slows down or stops the wheels.

    When you press the brake pedal, hydraulic fluid is pushed through the brake lines, creating pressure that activates the pistons within the caliper. These pistons then push the brake pads onto the spinning rotor. The resulting friction converts the vehicle's kinetic energy into heat, dissipating it and allowing the car to decelerate.

    There are two main types of brake calipers: fixed calipers and floating (or sliding) calipers. Fixed calipers remain stationary and have pistons on both sides of the rotor, applying even pressure from both directions. Floating calipers, more commonly found in passenger vehicles, have one or two pistons on the inboard side and slide on pins, allowing the entire caliper body to move and press both pads against the rotor.

    Given the immense forces and heat generated during braking, calipers are typically made from robust materials like cast iron or aluminum, engineered for durability and efficient heat dissipation. Proper functioning of brake calipers is paramount for vehicle safety, ensuring reliable and consistent stopping power in various driving conditions. Regular maintenance and inspection of these components are crucial for maintaining optimal braking performance and driver confidence.
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