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303.02.0013.01 Volvo compatible 4-Circuit Protection Valve Kit

303.02.0013.01

Summary

High-strength repair kit for 4-circuit protection valves, designed for heavy commercial vehicle brake systems. Compatible with Volvo models including FL10, B10M, and F12, ensuring reliable pressure distribution across independent pneumatic circuits. Equivalent to OE Knorr-Bremse I80448.

Product identifiers
EAN Code8683457003279
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Compatible OEM Codes

  • KNORR-BREMSE
    • I80448

Description

What does a protection valve repair kit do?

This repair kit is designed to restore the functionality of critical pneumatic brake components by renewing essential wear parts. It serves as a reliable solution for maintaining the pressure balance and circuit protection required in heavy commercial vehicle braking systems.

Compatible vehicles and engines

This kit is specifically compatible with various Volvo models including the FL10, B10M, F10, NL10, NL12, FL12, F12, B10B, and B12. It is also fitted to DAF, Iveco, and Mercedes-Benz trucks. The component works within systems designed by Knorr-Bremse to ensure that leaks in one circuit do not compromise the remaining air supply.

Installation and maintenance

For workshop technicians performing maintenance, it is essential to verify the valve housing markings before installation. Ensuring that the new seals and internal components match the original specifications will guarantee proper circuit priority and response speed during heavy-duty operation.

Troubleshooting and selection

Regular inspection of the pneumatic valves can prevent unexpected downtime. Selecting a high-strength component ensures the air system maintains the necessary pressure for front axle, rear axle, and auxiliary consumers.

OE cross-reference

303.02.0013.01 (4-Circuit Protection Valve Repair Kit) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number I80448.

Other OEMs

KNORR-BREMSE

  • I80448

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
IVECO
KNORR-BREMSE
MERCEDES BENZ
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B12 D12A
VOLVO F10 TD102
VOLVO F12 TD122
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO NL10 D10A
VOLVO NL12 D12A

FAQ

How can I ensure this repair kit fits my valve?
To ensure correct fitment, check the manufacturer's part number on the existing valve housing and verify it matches your vehicle's model and engine specifications.
Which vehicle brands are compatible with this kit?
This kit is compatible with Volvo trucks (including F12 and FL10 series) and is also used in DAF, Iveco, and Mercedes-Benz heavy commercial vehicles.
What is the benefit of using a repair kit instead of a new valve?
A repair kit allows for an economical restoration of the valve's internal seals and spring calibration, returning it to factory performance without replacing the entire unit.
What are common symptoms of a faulty protection valve?
Technicians should look for pressure drops in specific circuits or air leaks that prevent the system from maintaining balanced pressure across all four independent circuits.
What are the OE reference numbers of this part?
303.02.0013.01 directly replaces Knorr-Bremse OE number I80448.