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51 01601 5055 Housing Oil Nozzle for MAN Engines
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51 01601 5055 MAN Compatible Housing Oil Nozzle

0102 031

Summary

This housing oil nozzle is engineered for MAN engines to ensure precise oil spray for piston cooling and lubrication. Designed with high-strength components to withstand heavy-duty engine thermal and mechanical loads during operation. Check the compatibility list. Equivalent to OE MAN 51016015055.

Product identifiers
EAN Code8699031061719
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Compatible OEM Codes

  • MAN
    • 51.01601-5066
    • 51.01601-5055
    • 51.01601-5030
  • LASO
    • 55014303

Description

What does a housing oil nozzle do?

The housing oil nozzle plays a critical role in the internal lubrication system of heavy-duty engines. By directing a controlled oil spray onto the underside of the piston, it helps dissipate heat from the combustion chamber and provides essential lubrication to the piston pin and connecting rod bushings. This process is vital for maintaining thermal balance and preventing premature component wear under high load conditions.

Compatibility with MAN engines

This component is compatible with MAN engines. Proper installation ensures that the oil jet correctly hits the piston skirt to manage temperature effectively. It is essential to match the nozzle to the specific engine code to ensure correct spray geometry and connection type.

Installation and maintenance

When replacing this part, technicians should verify the mounting style, whether it is a bolted flange, banjo-connected, or threaded body, as configurations vary by engine family. Ensuring a clean mounting surface and using correct torque specifications is necessary to prevent pressure drops in the main gallery.

Troubleshooting guidance

If symptoms of overheating or increased engine noise occur, inspecting the oil nozzle for blockages or incorrect spray angles is a recommended diagnostic step.

OE cross-reference

0102 031 (Housing Oil Nozzle Crankcase) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51016015055.

Other OEMs

LASO

  • 55014303

MAN

  • 51016015066
  • 51016015055
  • 51016015030
  • 51.01601.5066
  • 51.01601.5055
  • 51.01601.5030
  • 51-01601-5066
  • 51-01601-5055
  • 51-01601-5030
  • 51 01601 5066
  • 51 01601 5055
  • 51 01601 5030
  • 51.01601-5066
  • 51.01601-5055
  • 51.01601-5030

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
LASO
MAN

FAQ

What is the function of a housing oil nozzle?
The nozzle directs oil spray onto the underside of the piston to remove heat from the crown and lubricate the piston pin, which is crucial for thermal management.
Can this part be used in any engine?
No, selection must be based on the specific engine code and connection type, as spray geometry and mounting styles vary even within the same engine family.
How can I identify if an oil nozzle needs replacement?
Symptoms like excessive piston heat or irregular engine noise may indicate that the nozzle is blocked or no longer directing oil to the correct area.
What should technicians check during installation?
Technicians should verify the connection type (such as banjo or bolted flange) and follow exact torque requirements to maintain proper gallery pressure.
What are the OE reference numbers of this part?
0102 031 directly replaces MAN OE number 51016015055.