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442 180 05 43 Mercedes-Benz Compatible Housing Oil Nozzle
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442 180 05 43 Housing Oil Nozzle for Mercedes-Benz

0101 026

Summary

This heavy-duty housing oil nozzle is engineered for precision cooling within the engine crankcase. It is designed to be compatible with Mercedes-Benz engines, ensuring efficient heat dissipation from the piston crown to maintain optimal thermal balance during heavy-duty operation. Equivalent to OE Mercedes-Benz 4421800543.

Product identifiers
EAN Code8699031061283
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Compatible OEM Codes

  • MERCEDES BENZ
    • 442 180 05 43
    • 442 180 03 43
    • 422 180 01 43
    • 422 180 00 43
    • 403 180 14 43
  • LASO
    • 20014303

Description

What does a housing oil nozzle do?

This engine component plays a critical role in the lubrication and cooling system of heavy commercial vehicle engines. By directing pressurized oil from the main gallery toward the underside of the piston, it effectively removes accumulated heat from the piston crown and provides essential lubrication to the piston pin and connecting rod bushings.

Vehicle and engine compatibility

This specific part is compatible with Mercedes-Benz engines. Proper selection is vital, as even slight variations in spray tube angle or connection style can prevent the oil from reaching the piston base correctly, which may lead to insufficient cooling or pressure drops in the lubrication system.

Installation and maintenance guidance

To ensure correct fitment and performance, technicians should verify the connection type—whether it be a bolted flange, banjo connection, or threaded body—and match it against the engine code. When replacing this component, it is recommended to inspect the spray pattern and ensure the check valve operates at the correct pressure threshold to maintain gallery stability.

Selection and troubleshooting

Maintaining this component is essential for preventing thermal damage in high-load environments. Always consult your authorized distributor for precise application data.

OE cross-reference

0101 026 (Housing Oil Nozzle Crankcase) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 4421800543.

Other OEMs

LASO

  • 20014303

MERCEDES BENZ

  • A4421800543
  • A4421800343
  • A4221800143
  • A4221800043
  • A4031801443
  • 4421800543
  • 4421800343
  • 442.180.0543
  • 442.180.05.43
  • 442.180.0343
  • 442.180.03.43
  • 442 180 0543
  • 442 180 0343
  • 4221800143
  • 4221800043
  • 422.180.0143
  • 422.180.01.43
  • 422.180.0043
  • 422.180.00.43
  • 422 180 0143
  • 422 180 0043
  • 4031801443
  • 403.180.1443
  • 403.180.14.43
  • 403 180 1443
  • 442 180 05 43
  • 442 180 03 43
  • 422 180 01 43
  • 422 180 00 43
  • 403 180 14 43

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
LASO
MERCEDES BENZ

FAQ

What is the function of a housing oil nozzle?
The nozzle directs pressurized oil onto the underside of the piston to remove heat from the piston crown and lubricate the piston pin area.
Can I select a nozzle based on visual similarity alone?
No. Even visually similar jets can have different spray angles or valve pressures. It is best to use the engine code and OE reference to ensure correct fitment.
What happens if an incorrect nozzle is installed?
An incorrect angle or size can cause oil to hit the cylinder liner instead of the piston, leading to overheating or loss of gallery pressure.
Is this part suitable for light commercial vehicles?
No, this component is specifically designed for heavy commercial vehicle engines used in trucks and heavy machinery.
What are the OE reference numbers of this part?
0101 026 directly replaces Mercedes-Benz OE number 4421800543.