Important Notice

A/C Compressor Denso Mercedes Axor

DiPa Code:
ARC023DNSN
OEM Code:
89371
Brand:
DENSO
Condition:
New
Air Conditioning Compressor
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Warnings
IMPORTANT: during the replacement operations of the air conditioning compressor, it is advisable to carry out a thorough cleaning of the system – to be done with appropriate technical equipment – and it is MANDATORY, in order to ensure the correct functioning of the compressor itself, to also replace the dehydrator filter. In case of warranty claims, the manufacturer of the air conditioning compressor (DENSO, HELLA, DELPHI, BEHR, SANDEN, ZEXEL, NISSEN, VALEO, CTR, etc. etc.) requires that the replacement of the dehydrator filter be certified through an invoice to the end customer.
Techinical Info

The code 89371 refers to the air conditioning compressor fitted on Mercedes-Benz commercial vehicles and buses (component manufactured by Denso and Nissens). It is the unit for 24 V systems using refrigerant R134a.

The component operates within the A/C refrigeration circuit, compressing the refrigerant gas and enabling heat exchange between the evaporator, condenser, drier filter and expansion valve.

Technical specifications

  • Brand: Denso (equivalent to Nissens).
  • Type: air conditioning compressor for heavy commercial vehicles and buses.
  • Design: piston compressor for A/C systems, family 7SBU16C.
  • Power supply: 24 V.
  • Refrigerant: R134a.
  • Pulley: diameter approximately 130 mm.
  • Number of grooves: 9.
  • Belt type: poly-V, 9PK configuration.
  • Engagement: with electromagnetic clutch.
  • Indicative weight: approximately 7.5 kg.
  • Mounting: bolted.
  • Intended for: Mercedes-Benz commercial vehicles, trucks and buses.

DIPA can intervene to overhaul these components thanks to its experience and expertise.

Functions

  • Compresses refrigerant R134a, converting it into a high-pressure, high-temperature gas.
  • Allows the A/C circuit to transfer heat from the cabin to the external condenser.
  • Works together with the condenser, drier filter, expansion valve and evaporator.
  • Is driven mechanically by the accessory belt and a 9-groove poly-V pulley.
  • Engages or disengages via a 24 V electromagnetic clutch.
  • Maintains the pressure difference between the low-pressure and high-pressure sides of the A/C circuit.
  • Contributes to cooling the cabin of trucks, buses and Mercedes-Benz industrial vehicles.
  • Supports thermal comfort for driver and passengers, especially important on heavy vehicles and long-distance buses.
  • Operates in coordination with pressure switches, refrigerant pressure sensor, condenser fans and the A/C control unit.
  • Requires correct lubrication with compatible oil, as the oil circulates with the refrigerant and protects pistons, swash plate, bearings and internal components.

Model applications

  • Mercedes-Benz Axor.

Common faults

  • Air conditioning that does not cool or cools poorly.
  • Compressor does not start.
  • Compressor does not engage even if an engagement impulse is heard at startup.

Final conclusions

Code 89371 primarily identifies a Nissens/Denso air conditioning compressor used on Mercedes-Benz industrial and bus applications with a 24 V A/C system, refrigerant R134a and compressor type 7SBU16C.

DIPA has a wide range of spare parts dedicated to the Truck sector, construction vehicles and industrial equipment. It also offers reconditioned components with like-new performance that can reduce replacement costs while contributing to environmental protection through the circular economy. If the part you need is not available, don't worry: DIPA can overhaul your unit "on demand", restoring full functionality and safety in a short time.