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Description

What does a brake caliper pin dust boot do?

This brake caliper pin dust boot serves a critical function in the air disc brake system by preventing moisture, dust, and road debris from entering the caliper pin assembly. By sealing the movement area, it ensures smooth piston and pin travel, which is essential for consistent braking performance under heavy-duty operating conditions.

Technical specifications and fitment

This component is engineered to withstand extreme thermal fluctuations and mechanical stress encountered during heavy commercial vehicle service. The precise dimensions of Ø 36 - 37 x 39 / 15 mm ensure a secure seal that maintains the integrity of the caliper mechanism over long service intervals.

Maintenance and installation guidance

For proper maintenance, technicians should inspect these rubber boots during every brake inspection for signs of cracking or tearing. Ensuring the pins are clean and correctly seated with new boots helps prevent caliper sticking and uneven brake wear. Consult your authorized distributor to confirm exact fitment for your specific brake assembly.

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS

FAQ

What is the function of a caliper pin dust boot?
It seals the caliper pin assembly to prevent contaminants like water, salt, and grime from causing corrosion or seizing within the braking system.
What are the dimensions of this component?
This specific part features a diameter measurement of Ø 36 - 37 x 39 / 15 mm for precise integration into the assembly.
How can I identify if the dust boot needs replacement?
Inspect the rubber for cracks, hardening, or tearing. Damaged boots allow moisture ingress, which can lead to caliper pin seizure.
Is this part suitable for heavy commercial vehicles?
Yes, these components are designed specifically for the demanding environments of heavy commercial vehicle air disc brake systems.