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4120003 Brake Caliper Pin Piston Equivalent

4120003

Summary

High-strength brake caliper pin piston designed for heavy commercial vehicle air disc brake systems. This component ensures precise movement and stability within the caliper mechanism, providing reliable braking performance in demanding service environments.

Product identifiers
EAN Code8683457033030
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Description

What does a brake caliper pin piston do?

This brake caliper pin piston plays a critical role in the air disc brake assembly by facilitating the smooth and accurate movement of the caliper mechanism. By ensuring proper alignment and pressure distribution, it helps maintain consistent braking force and prevents uneven pad wear during heavy-duty operations.

Vehicle application and system role

Designed specifically for heavy commercial vehicle applications, this component is compatible with various air disc brake configurations. It is engineered to withstand high thermal stress and mechanical pressure within the braking system, ensuring long-term durability for fleet owners and workshop technicians.

Maintenance and installation guidance

When performing maintenance or caliper overhauls, technicians should inspect the pin piston for any signs of scoring or excessive play. Replacing worn components ensures that the braking system operates within specified tolerances, preventing potential failures in the pneumatic braking circuit.

System reliability

For optimal performance, ensure that all related caliper pins and bushings are inspected during installation to maintain system integrity.

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FAQ

What is the function of a brake caliper pin piston?
The pin piston is essential for the correct positioning and movement of the brake caliper, ensuring that the friction material is applied evenly against the disc.
How can I identify a faulty caliper pin piston?
Symptoms of a worn piston include uneven brake pad wear, vibrations during braking, or difficulty in resetting the caliper mechanism.
Can this part be used in passenger cars?
No, this component is specifically engineered for heavy commercial vehicle air disc brake systems.
What should be checked during installation?
Technicians should ensure all mating surfaces are clean and check the condition of related pins and bushings to prevent premature wear.