BIT AUDI Electronic Parking Brake Caliper 8K0615404A 8K0615404

Brake Caliper Type Caliper (1 piston)

Brake Disc Thickness [mm] 22

For Brake Disc Diameter [mm] 330

Piston Diameter [mm] 43

OE Number 8K0 615 404A 8K0 615 404 8K0615404A 8K0615404

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  • Product Detail

    Company Profile

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    No.2 Building of Jiujie zone, Kunyang Town,Pingyang County, Wenzhou City, Zhejiang


    +86 18857856585
    +86 15088970715


    Monday-Sunday: 9am to 12pm

    Product Description

    What is Electronic parking brake?

    An electronic parking brake (EPB), also known as an electric park brake in North America, is an electronically controlled parking brake, whereby the driver activates the holding mechanism with a button and the brake pads are electrically applied to the rear wheels. This is accomplished by an electronic control unit (ECU) and an actuator mechanism. There are two mechanisms that are currently in production, Cable puller systems and Caliper integrated systems. EPB systems can be considered a subset of Brake-by-wire technology.


    Apart from performing the basic vehicle holding function required of park brakes, the EPB systems provide other functions like automatic release of the park brakes when the driver presses the accelerator or slips the clutch, and re-clamping using additional force on detection of vehicle motion. Further, the hill-hold function, which applies brakes to prevent roll-back when pulling away on a gradient, can also be implemented using the EPB.

    Reference No.

    TRW JGM1275SR/JGM1275T


    Part List







    Compatible Applications

    Audi A5 (8T3)      (2007/06 - /)
    Audi A4 Saloon (8K2, B8)      (2007/11 - /)
    Audi A4 Avant (8K5, B8)      (2007/11 - /)
    Audi Q5 (8R)      (2008/11 - /)
    Audi A5 Convertible (8F7)      (2009/03 - /)
    Audi A5 Sportback (8TA)      (2009/09 - /)


    Emergency braking

    In case of an emergency braking or when the service brake fails, pushing the EPB button can bring the vehicle to a standstill.


    Roll-off protection

    Hot brakes lead to a loss in clamping force in mechanical parking brakes. But with EPB, roll-off protection monitors and controls the clamping force in order to ensure a safe parking brake condition irrespective of temperature and friction loss. This prevents the vehicle from rolling off even under extreme temperatures. This provides important added safety especially in mountainous regions.

    Equipment for EPB Caliper & Actuator

    equipment 1
    equipment 2

    We have complete range of brake parts, such as Brake Calipers, Electric Parking Brake, Actuators and so on. We have some equipment to test the quality when manufature and after manufaturing. Such as Cable input output force test, EPB Caliper Durability test and High and low voltage test.

    EPB Actuator is important in passenger vehicles as it allows drivers to activate a holding system to keep the vehicle stationary on grades and flat roads.

    Our Electric Park Brakes:

    • Offer an improved drive comfort
    • Allow greater freedom in vehicle interior design
    • In caliper integrated systems, provide connection between hydraulic actuation of the foot brake and electrically actuated parking brake
    • Ensure optimum brake power in all conditions and reduce installation time due to the absence of hand brake cables

    What You Can Get from Our Factory

    BIT’s main business is the development and manufacturing of automotive brake-related products. As an independent brake specialized manufacturer, we develop and manufacture functional components such as brake calipers and accessories.

    We have complete parts for disc brakes, such as brake caliper, bracket, piston, seal, bleeder screw, bleeder cap, guide pin, pin boots, pad clip and so on. Anything in the disc brakes, welcome to contact us to get the catalog.

    By the way, we also have wide range catalogs for European, American, Japanese and Korean cars. Such as Audi, VW, BMW, Dodge, Chevy, Toyota, honda, KIA, Hyundai and so on. Find something what you want in our company.


    What is Our Production

    We are a professional manufacturer of braking system. We have our own R & D and production team. Each product will be tested after production and tested again before delivery.



    Quality and value is a common goal we share as a company. We are committed to face any challenges and see this as an opportunity to offer more novel solutions.

    This led to many firsts in automotive innovations, as well as many design patents based on the futuristic approach. As a manufacturer of brake calipers, you can rely on us to bring a revolutionary brake caliper product line. With the following advantages, you can be confident that you are getting the best and finest service in the market. In order to assure you our quality, we approved the IATF 16949 Certificate in 2016.


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