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4051039 Compatible Caliper Pin Dust Boot — Renault Trucks

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4051039 Brake Caliper Pin Dust Boot, Air Disc Brake Caliper
Product details
Caliper
  • WABCO MAXX 22L
  • WABCO MAXXUS
WABCO
  • 640 319 922 2
EAN Code8683457035805
Ready to Order
Summary

This brake caliper pin dust boot is designed for heavy commercial vehicle disc brake systems. It provides a reliable seal for Renault Trucks and Volvo caliper pins, ensuring protection against contaminants. This component is an equivalent to original parts for workshop technicians and fleet managers. Equivalent to OE Renault Trucks 7421748972, Volvo 21748973 and WABCO 6403199222.

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What's in this kit

Compatible OEM Codes

  • WABCO
    • 640 319 922 2
  • VOLVO
    • 21748973
  • RENAULT TRUCKS
    • 7421748972

Description

What does a caliper pin dust boot do?

This brake caliper pin dust boot serves as a critical sealing element for air disc brake caliper systems. It is designed to protect the slide pins from water, mud, road salt, and brake pad dust, ensuring that the floating caliper can move axially without obstruction. By maintaining the integrity of the lubrication, this component prevents premature wear of the caliper mechanism.

Compatible vehicles and engines

This part is compatible with Renault Trucks and Volvo vehicles. It functions as a high-quality equivalent within the braking system to ensure smooth operation under heavy-duty conditions. It is also fitted to other heavy commercial vehicle models requiring precise caliper pin sealing.

Installation and maintenance

For optimal performance, this component should be installed by a qualified workshop technician. It is recommended to inspect the boots during every brake pad change or routine brake service. Using correct grease and torque values during installation ensures the longevity of the caliper assembly.

Troubleshooting and maintenance

Regular maintenance of these seals helps prevent sticking pins, which can lead to uneven brake wear or reduced braking efficiency.

OE cross-reference

4051039 (Brake Caliper Pin Dust Boot) is the equivalent of the Renault Trucks, Volvo and WABCO OE numbers. This part directly replaces Renault Trucks OE number 7421748972. It also replaces Volvo OE number 21748973 and WABCO OE number 6403199222.

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS
VOLVO

Other OEMs

RENAULT TRUCKS

  • 7421748972

VOLVO

  • 21748973

WABCO

  • 6403199222
  • 640 319 922 2

FAQ

What is the function of a caliper pin dust boot?
It is a flexible sealing element that protects the caliper slide pins from moisture, road salt, and dust to ensure smooth movement.
Which vehicle brands are compatible with this part?
This component is compatible with Renault Trucks and Volvo vehicles, providing an equivalent solution for their braking systems.
When should these boots be inspected?
It is recommended to inspect the condition of the dust boots during every brake pad change or during routine heavy vehicle inspections.
Can this be used in WABCO systems?
Yes, this part is designed to be compatible with WABCO systems used in various heavy commercial vehicle brake assemblies.
What are the OE reference numbers of this part?
4051039 directly replaces Renault Trucks OE number 7421748972. It also replaces Volvo OE number 21748973 and WABCO OE number 6403199222.