Toyota Aygo B1 Mk1 Front Brake Caliper Housing Left N/S 1.0 Petrol 4772209070

Toyota Aygo B1 Mk1 Front Brake Caliper Housing Left N/S 1.0 Petrol is an original component from the Brake Calipers and Housings group, designed for operation on the front axle on the driver's side. It ensures proper caliper guidance, stable brake pad operation, and even pressure on the brake disc, which translates into predictable and safe braking in urban driving conditions.

Specifications and technical data

• SKU: 4772209070
• Mark: Toyota
• Condition: Used
• OEM Part Number: 4772209070
• Substitutable numbers: 4772209070, 47722-09070
• Location on the vehicle: Front, Left
• Fuel type: Petrol
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and fitment for the braking system

The presented housing is dedicated to the front axle on the left side of the first-generation Toyota Aygo with a 1.0 petrol engine. The structural design is engineered for specific mounting points on the steering knuckle and for the appropriate type of caliper, ensuring that the correct geometry of the braking system and proper alignment of the pads relative to the disc are maintained after installation. The original origin of the component helps maintain factory operating parameters – from working distances and mounting rigidity to compatibility with stock pads and discs. This is particularly important in light, urban cars, where braking stability during frequent stops is crucial for driving comfort.

Technical characteristics of the caliper housing

The housing operates in the front part of the vehicle, on the driver's side, transferring loads from the caliper to the steering knuckle and suspension. It is responsible for:

• maintaining the caliper in the axis of the brake disc,
• guiding the brake pads in a constant, repeatable working position,
• stabilizing braking forces during rapid deceleration,
• cooperating with the caliper guide pins and sliding elements. Thanks to the appropriately selected geometry and structural rigidity, the housing reduces unwanted vibrations and minimizes the risk of uneven pad wear. Combined with a properly functioning caliper and efficient guide pins, it allows for maintaining predictable braking characteristics in typical urban and suburban conditions.

Condition, origin, and benefits of using a used part

The component comes from dismantling and is offered as a used part, which allows for a significant reduction in repair costs compared to a new OEM equivalent, while maintaining the original design specification. A housing of this type, as a massive element that does not come into direct contact with brake fluid, is very well suited for reuse after verifying the condition of the working surfaces and threads. Choosing an original recycled housing is particularly beneficial for maintenance repairs when it is necessary to replace a corroded or mechanically damaged caliper mount. This allows for restoring the correct operation of the system without the need to use cheaper replacements of uncertain geometry and casting quality.

Practical assembly and maintenance tips

During installation, it is recommended to thoroughly clean the contact surfaces between the housing and the steering knuckle and to check the threads of the mounting bolts. It is also worth paying attention to:

• the condition of the guide pins and their sockets in the housing,
• correct positioning of the pads in the carrier,
• tightening torque of the bolts in accordance with the vehicle's service documentation,
• checking the discs and pads for wear before the first test drive. After installation is complete, it is recommended to perform a gentle test drive with several instances of gradually increasing braking to confirm the even operation of the system and the absence of unwanted noises or vibrations. If you are planning a comprehensive repair or upgrade of the braking zone in your Toyota and need other components from the same group, such as carriers, caliper bodies, or brackets, check the available parts in the Toyota Brake Calipers and Housings category.

Expert support and selection of appropriate calipers

When selecting used braking system components, it is worth being guided not only by price but primarily by structural compatibility and the origin of the part. To better understand what to look for when purchasing recycled housings and calipers, how to assess their condition, and how to safely reduce repair costs, read the article Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing verified recycled parts. This will help you make an informed decision when servicing the braking system in your car.