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4120002 Brake Caliper Pin Piston Replacement

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4120002 Brake Caliper Pin Piston, Air Disc Brake Caliper
Product details
Caliper
  • MERITOR DX 195
  • MERITOR DX 225
EAN Code8683457033269
Ready to Order
Summary

This brake caliper pin piston is engineered for heavy commercial vehicle air disc brake systems, ensuring precise movement and durability under high-pressure conditions. It is a critical component for maintaining braking performance in heavy-duty applications.

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Description

What does a brake caliper pin piston do?

This brake caliper pin piston plays a vital role in the movement of the air disc brake caliper assembly. By facilitating the controlled motion of the caliper, it ensures consistent pressure application against the brake pads, which is essential for reliable braking performance in heavy commercial vehicles.

Vehicle and system compatibility

Designed for heavy-duty service, this component works within the air disc brake mechanism to maintain structural integrity during repeated thermal cycles. It is compatible with various heavy commercial vehicle braking systems that utilize pneumatic piston-driven caliper designs.

Installation and maintenance

During installation, technicians should ensure that all surfaces are clean and free of contaminants to prevent seizing. Regular inspection of the pin and piston assembly is recommended to prevent uneven pad wear or reduced braking efficiency caused by friction or debris buildup.

Troubleshooting and selection

When replacing these components, it is crucial to verify that the new piston meets the specific dimensions required for the existing caliper housing to ensure optimal system synchronization.

FAQ

What is the function of a brake caliper pin piston?
The piston facilitates the movement of the caliper pins, allowing the caliper to slide smoothly across the brake disc for even pressure distribution.
How do I know if the caliper pin piston needs replacement?
Signs of wear include uneven brake pad wear, audible squealing, or a perceptible pull to one side during braking due to restricted movement.
Can these pins be used in hydraulic systems?
These specific components are designed for air disc brake systems used in heavy commercial vehicles and may not be suitable for hydraulic applications.
What should be checked during installation?
Technicians should check for proper lubrication of the pin surfaces and ensure no debris enters the mechanism during assembly.