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81 30715 6154 MAN Compatible Clutch Master Cylinder

306.02.0015

Summary

This clutch master cylinder is designed for MAN heavy commercial vehicles. It functions as a complete unit, converting mechanical pedal force into hydraulic pressure to actuate the slave cylinder for reliable engagement. Equivalent to OE MAN 81307156154.

Product identifiers
EAN Code8699031063140
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Compatible OEM Codes

  • MAN
    • 81.30715-6156
    • 81.30715-6154
    • 81.30715-6149
  • FTE
    • MKG.23852.4.3
    • 2200223

Description

What does a clutch master cylinder do?

This clutch master cylinder is a critical component within the clutch hydraulic system of heavy commercial vehicles. It works by converting the mechanical force applied by the driver via the clutch pedal into necessary hydraulic pressure, which is then transmitted through the hydraulic lines to the slave cylinder to facilitate smooth gear transitions.

Compatibility and vehicle fitment

This specific unit is compatible with MAN trucks and heavy-duty applications. It is engineered to withstand high-pressure cycles and ensures consistent engagement within the vehicle's hydraulic circuit.

Installation and maintenance

For professional installation, technicians should ensure that the mounting-hole spacing and port threads align with existing system requirements. Replacing the unit as a complete assembly—including the housing, piston, and sealing group—ensures long-term reliability compared to individual component repairs.

Troubleshooting guidance

If the clutch pedal feels soft or fails to engage properly, inspection of this unit is recommended to prevent system failure.

OE cross-reference

306.02.0015 (Master Cylinder) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81307156154.

Other OEMs

FTE

  • MKG2385243
  • MKG23852.4.3
  • MKG.23852.4.3
  • 2200223

MAN

  • 81307156156
  • 81307156154
  • 81307156149
  • 81.30715.6156
  • 81.30715.6154
  • 81.30715.6149
  • 81-30715-6156
  • 81-30715-6154
  • 81-30715-6149
  • 81 30715 6156
  • 81 30715 6154
  • 81 30715 6149
  • 81.30715-6156
  • 81.30715-6154
  • 81.30715-6149

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
FTE
MAN

FAQ

What is the function of a clutch master cylinder?
It converts the mechanical force from the clutch pedal into hydraulic pressure, which is then sent to the slave cylinder to engage or disengage the clutch.
Is this a repair kit or a complete unit?
This is a complete unit, meaning it includes the housing, piston, spring, and sealing group as a single ready-to-install assembly.
Which vehicle makes are compatible with this part?
This specific part is designed for compatibility with MAN heavy commercial vehicles.
What are common symptoms of a faulty master cylinder?
Technicians often identify faults through symptoms like a soft clutch pedal, difficulty shifting gears, or visible hydraulic fluid leaks near the housing.
What are the OE reference numbers of this part?
306.02.0015 directly replaces MAN OE number 81307156154.