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303.11.0080.01 Retarder Solenoid Valve Repair Kit, Gearbox
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303.11.0080.01 MAN Compatible Retarder Solenoid Valve Repair Kit

303.11.0080.01

Summary

This retarder solenoid valve repair kit is designed for MAN heavy commercial vehicles. It provides an efficient solution for overhauling the solenoid components within the retarder system, ensuring reliable hydraulic control and smooth auxiliary braking performance for heavy-duty applications. Equivalent to OE Knorr-Bremse K034195 and MAN 51521066000.

Product identifiers
EAN Code8699031090146
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Compatible OEM Codes

  • MAN
    • 51.52106-6000
  • KNORR-BREMSE
    • K034195

Description

What does a retarder solenoid valve repair kit do?

This repair kit serves as a critical component set used to overhaul the solenoid valves located inside the retarder units integrated into the transmission of heavy commercial vehicles. By replacing internal elements, it ensures the precise control of oil flow required for predictable and reliable auxiliary braking performance alongside the main wheel brakes.

Compatibility and application

The kit is specifically designed for MAN vehicles and is compatible with Knorr-Bremse systems. It provides an economical alternative to replacing complete solenoid units when wear is limited to the internal sealing elements, springs, or pistons.

Maintenance and installation guidance

For optimal performance, technicians should inspect the solenoid valve during routine transmission maintenance. Replacing the internal components can prevent pressure loss in the retarder circuit and ensure smooth deceleration during heavy-duty operation. Check the compatibility list.

OE cross-reference

303.11.0080.01 (Retarder Solenoid Valve Repair Kit) is the equivalent of the Knorr-Bremse and MAN OE numbers. This part directly replaces Knorr-Bremse OE number K034195. It also replaces MAN OE number 51521066000.

Other OEMs

KNORR-BREMSE

  • K034195

MAN

  • 51521066000
  • 51.52106.6000
  • 51-52106-6000
  • 51 52106 6000
  • 51.52106-6000

Related Products

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
MAN

FAQ

Should I replace the entire solenoid valve or use a repair kit?
In most cases, using a repair kit that includes the coil, piston, spring, and gasket sets is more economical than replacing the complete solenoid unit, provided wear is limited to these elements.
What does this repair kit include?
The kit typically includes essential components such as the solenoid coil, valve piston, spring assembly, and high-strength sealing elements to restore hydraulic function.
Is this kit compatible with Knorr-Bremse systems?
Yes, this repair kit is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicle retarders.
What are the symptoms of a faulty retarder solenoid valve?
Technicians may notice inconsistent auxiliary braking performance, pressure fluctuations in the retarder circuit, or sudden changes in deceleration smoothness.
What are the OE reference numbers of this part?
303.11.0080.01 directly replaces Knorr-Bremse OE number K034195. It also replaces MAN OE number 51521066000.