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51 05405 7044 MAN Compatible Oil Pump Overflow Valve

0102 084

Summary

This high-strength oil pump overflow valve features an M12x1.75 specification and is designed for MAN engines. It ensures stable oil pressure regulation within the engine's lubrication system, protecting vital components from excessive pressure during heavy-duty operation. Equivalent to OE MAN 51054057044.

Product identifiers
EAN Code8699031073699
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Compatible OEM Codes

  • MAN
    • 51.05405-7044

Description

What does an oil pump overflow valve do?

This oil pump overflow valve serves as a critical safety component within the engine's lubrication circuit. Its primary function is to regulate the pressure generated by the oil pump, ensuring it remains within safe operational limits. By redirecting excess oil flow when pressure exceeds a specific threshold, it protects the oil filter, seals, and gasket surfaces from damage caused by overpressure.

Engine compatibility

This specific component is designed to be compatible with MAN engines. It functions effectively in heavy commercial vehicle applications where consistent lubrication is vital for engine longevity and performance. The part is engineered to withstand the high-pressure environments typical of professional engine systems.

Installation and maintenance

For optimal performance, technicians should verify that the M12x1.75 thread dimensions match the existing installation requirements. During routine maintenance or an overhaul, it is recommended to inspect the valve seat and seating surfaces for any signs of contamination or scoring. Ensuring clean sealing surfaces is essential to prevent persistent leaks or pressure fluctuations.

Pressure regulation guidance

Proper installation requires careful attention to spring orientation and thread seating to ensure the valve operates as intended under varying engine speeds.

OE cross-reference

0102 084 (Oil Pump Overflow Valve Oil Pumps) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 51054057044.

Technical Specifications

Technical Specifications
DescriptionM12x1.75

Other OEMs

MAN

  • 51054057044
  • 51.05405.7044
  • 51-05405-7044
  • 51 05405 7044
  • 51.05405-7044

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAN

FAQ

What is the function of an oil pump overflow valve?
The valve regulates oil pressure by redirecting excess flow back to the sump when pressure exceeds safe limits, protecting seals and filters from overpressure.
Which engine brands is this part compatible with?
This component is designed for compatibility with MAN engines within heavy commercial vehicle applications.
What technical specification should I check before installation?
You must verify that the M12x1.75 thread size matches your specific engine requirements to ensure a proper seal.
How can I tell if the relief valve is failing?
Symptoms of failure include fluctuating oil pressure readings or visible leaks around the valve seat during routine inspections.
What are the OE reference numbers of this part?
0102 084 directly replaces MAN OE number 51054057044.