Move refrigerant through the A/C system with the Four Seasons A/C Refrigerant Discharge / Suction Hose Assembly (MPN 55571). This combined discharge-and-suction line routes high-pressure refrigerant from the compressor to the condenser and returns low-pressure refrigerant to the compressor, and it drops in as a direct-fit replacement for the 1987 Mercedes-Benz 300D and 300TD, both with the L6-3.0L engine.
Cataloged for R134A systems. This assembly does not include a muffler, a service port, or fittings; consult the vehicle service information for what your repair requires. Manufacturer part number 55571.
This part cross-references / interchanges with the following part numbers:
What does this hose assembly do?
It routes refrigerant through the A/C system — the discharge side carries high-pressure refrigerant from the compressor to the condenser, and the suction side returns low-pressure refrigerant back to the compressor.
Which vehicles does it fit?
It's a direct-fit replacement for the 1987 Mercedes-Benz 300D and 300TD, both with the L6-3.0L engine. See the Buyer's Guide tab to confirm your vehicle.
What refrigerant is it designed for?
It is cataloged for R134A systems, and the double-wall barrier hose is constructed to be compatible with R1234YF, R134A, or R12.
What's included with the assembly?
It includes gaskets, O-rings, and seals (O-rings 24608, 24612, two of 24615, and two of 24610) plus a mounting bracket. It does not include a muffler, service port, or fittings.
What are signs this hose may need replacing?
Signs may include refrigerant leaks at the hose or fittings, oily residue, or weak A/C cooling from a system that won't hold charge. Diagnose the cause before replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
