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4002009 Caliper Tappet Dust Boot Replacement

4002009

Summary

This brake caliper tappet dust boot is designed for heavy commercial vehicle air disc brake systems. It provides essential protection for the caliper tappet mechanism, ensuring consistent braking performance and longevity for the entire braking system.

Product identifiers
EAN Code8683457025646
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Description

What does a brake caliper tappet dust boot do?

This brake caliper tappet dust boot plays a critical role in the air disc brake mechanism by sealing the tappet assembly against external contaminants. By preventing moisture, dust, and road grime from entering the moving parts, it helps maintain smooth piston movement and prevents premature wear of the internal components.

System protection and performance

The component is designed for heavy commercial vehicle braking systems where reliability is paramount. It ensures that the caliper tappets remain properly lubricated and free from debris, which is essential for maintaining stable braking force during heavy-duty operations.

Maintenance and inspection

When performing maintenance on air disc brake calipers, inspecting the condition of the dust boots is vital. Damaged or cracked boots can lead to increased friction or seized tappets, potentially affecting braking performance. Replacing these components during regular service intervals helps prevent more costly system repairs.

Selection guidance

Consult your authorized distributor to ensure correct fitment for your specific braking system requirements.

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FAQ

What is the function of a brake caliper tappet dust boot?
It seals the caliper tappet mechanism to prevent road grime, water, and dirt from entering, ensuring smooth movement.
How can I know if the dust boot needs replacement?
Check for visible cracks, tears, or signs of grease leakage which indicate the seal is no longer protecting the tappet.
Can a damaged dust boot affect braking?
Yes, a compromised boot allows contaminants into the mechanism, which can lead to seized parts or uneven braking force.
Is this part suitable for heavy commercial vehicles?
This component is specifically designed for the demanding environments of heavy commercial vehicle air disc brake systems.