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4151054 Brake Caliper Pin Dust Boot, Air Disc Brake Caliper
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4151054 Compatible Nissan Ud Truck Caliper Pin Dust Boot

4151054

Summary

This high-strength caliper pin dust boot is designed for Nissan Ud Truck braking systems. It serves as a flexible seal to protect guide pins from road salt, mud, and debris, ensuring smooth caliper movement and preventing uneven pad wear in heavy commercial vehicles. Equivalent to OE Meritor SJ4053 and Nissan Ud Truck 69029910.

Product identifiers
EAN Code8683457032408
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Compatible OEM Codes

  • NISSAN UD TRUCK
    • 69029910
  • MERITOR
    • SJ4053

Description

What does a caliper pin dust boot do?

This caliper pin dust boot acts as a critical sealing element within the air disc brake system. By bridging the gap between the guide pin and the caliper bore, it keeps essential high-temperature grease in place while blocking external contaminants like water, road salt, and brake dust from entering the mechanism.

Compatibility with Nissan Ud Truck

This component is specifically designed for use in Nissan Ud Truck braking systems and is also compatible with Meritor systems. Maintaining the integrity of these seals is vital for preventing pin corrosion and ensuring that floating calipers move axially without resistance during every braking application.

Installation and maintenance guidance

To ensure optimal performance, technicians should inspect these boots during every brake service. A torn or cracked boot can lead to pin seizure, causing uneven pad wear or localized overheating. When performing caliper maintenance, it is recommended to replace these flexible seals to maintain reliable braking performance.

Troubleshooting seal failure

Consult your authorized distributor.

OE cross-reference

4151054 (Brake Caliper Pin Dust Boot) is the equivalent of the Meritor and Nissan Ud Truck OE numbers. This part directly replaces Meritor OE number SJ4053. It also replaces Nissan Ud Truck OE number 69029910.

Other OEMs

MERITOR

  • SJ4053

NISSAN UD TRUCK

  • 69029910

Related Products

Repair Kits

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERITOR
NISSAN UD TRUCK

FAQ

What is the function of a caliper pin dust boot?
The boot protects the guide pins from water, mud, and road salt, while simultaneously keeping grease inside the pin bore to ensure smooth movement.
Which vehicles are compatible with this part?
This component is designed for Nissan Ud Truck vehicles and is compatible with Meritor systems.
How can I tell if a dust boot needs replacement?
Inspect for cracks or tears; a damaged boot often leads to pin corrosion and uneven brake pad wear due to caliper seizure.
Should I replace the boot during a brake service?
Yes, as it is a wear item, it is best practice to renew the boot when servicing the caliper pins to ensure long-term reliability.
What are the OE reference numbers of this part?
4151054 directly replaces Meritor OE number SJ4053. It also replaces Nissan Ud Truck OE number 69029910.