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4551011 Brake Caliper Pin Dust Boot, Air Disc Brake Caliper
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4551011 Caliper Pin Dust Boot compatible with Volvo

4551011

Summary

This brake caliper pin dust boot is engineered for heavy commercial vehicle braking systems. It provides essential protection for caliper pins in DAF and Volvo trucks, ensuring smooth movement and preventing contamination within the braking mechanism. Equivalent to OE DAF 1522161, Meritor SP8567 and Volvo 270531.

Product identifiers
EAN Code8683457035508
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Compatible OEM Codes

  • VOLVO
    • 3090938
    • 270531
  • MERITOR
    • SP8567
  • DAF
    • 1522161

Description

What does a brake caliper pin dust boot do?

This brake caliper pin dust boot serves as a critical protective component within the air disc brake caliper assembly. By sealing the caliper pins, it prevents the ingress of water, road salt, and abrasive dust, which are common causes of pin seizure and uneven brake wear in heavy commercial vehicles.

Compatible vehicle makes and systems

This component is designed to fit specific braking systems found on DAF and Volvo trucks. It maintains the integrity of the caliper movement, ensuring that the pins operate smoothly under high-stress conditions. The part is compatible with systems from Meritor as well.

Installation and maintenance guidance

When performing brake maintenance, technicians should inspect these boots for cracks or stiffness. Replacing worn boots alongside the caliper pins helps prevent uneven pad wear and ensures the longevity of the braking system. Always verify that the boot dimensions match the original equipment specifications during installation.

Ensuring system reliability

Selecting high-strength components for the braking system is vital for fleet safety. This dust boot helps maintain optimal performance in demanding environments.

OE cross-reference

4551011 (Brake Caliper Pin Dust Boot) is the equivalent of the DAF, Meritor and Volvo OE numbers. This part directly replaces DAF OE number 1522161. It also replaces Meritor OE number SP8567 and Volvo OE numbers 270531, 3090938.

Other OEMs

DAF

  • 1522161

MERITOR

  • SP8567

VOLVO

  • 3090938
  • 270531

Related Products

Repair Kits

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
MERITOR
VOLVO

FAQ

What is the function of a caliper pin dust boot?
The dust boot seals the caliper pins to prevent contaminants like dirt, moisture, and grime from entering the mechanism, which helps prevent pin seizure.
Which vehicles are compatible with this part?
This component is designed for heavy commercial vehicles, specifically compatible with DAF and Volvo trucks and Meritor systems.
How can I ensure I am selecting the correct boot?
It is best to match the part based on the casting number on the caliper body and confirm that the diameter and length match the original equipment.
When should I replace the caliper pin dust boots?
Technicians should check for cracks, tears, or hardening of the material during every brake service to prevent premature component failure.
What are the OE reference numbers of this part?
4551011 directly replaces DAF OE number 1522161. It also replaces Meritor OE number SP8567 and Volvo OE numbers 270531, 3090938.