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Four Seasons 55571 A/C Refrigerant Discharge / Suction Hose Assembly
| Brand | Four Seasons 55571 |
|---|---|
| Bracket? | w/ Bracket |
| Discharge End Style | UNF O-Ring |
| Discharge End Type | Female O-Ring |
| Fittings Included | Not Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| O-Ring C Number/Desc | [24615] / Green O-Ring |
| O-Ring D Number/Desc | [24610] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Style | UNF O-Ring |
| Suction End Type | Female O-Ring |
| Switch Included? | w/ Switch Port |
| Type | Discharge & Suction Line |
| Product line | Hose Assembly |
| Fits | Mercedes-Benz · 2 vehicles |
OE replacement. Direct-fit hose assembly for straightforward installation.
Aluminum / rubber construction. Combines strength and flexibility in one line.
O-rings included. Seals are supplied for a cleaner, tighter connection.
Cross-references Four Seasons 55571, Gates 51820 and 200620 for the same application. See all 17.
Four Seasons 55571 A/C Hose Assembly
The Four Seasons 55571 hose assembly is an OE replacement A/C refrigerant discharge and suction line for select Mercedes-Benz diesel applications. Built with aluminum and rubber construction, it is configured for R134a systems and includes the required seals and bracket details for a direct-service replacement.
For 1987 Mercedes-Benz 300D and 1987 Mercedes-Benz 300TD applications, this Four Seasons hose assembly is built around the original line layout and connection style. The 55571 part number is also referenced in interchange listings for related aftermarket and OE-style catalog matching.
Key Features
- Part number 55571 from Four Seasons Hose Assembly line
- A/C refrigerant discharge and suction hose assembly
- Aluminum / rubber construction
- Designed for R134a refrigerant systems
- OE replacement design
- Female O-ring discharge and suction end styles
- Manifold included
- Bracket included
- Switch port included
- Gasket or seal included
- O-rings included
- Fittings not included
- Without muffler
Product Details
Four Seasons 55571 is an HVAC hose assembly for the refrigerant discharge and suction circuit. It uses aluminum and rubber construction to match the routing and flexibility requirements of the original line, while the female O-ring end design supports proper sealing at the connection points. This assembly is specified for R134a refrigerant and includes a manifold, bracket, switch port, and seals for service replacement on the listed Mercedes-Benz diesel models.
Compatible with 1987 Mercedes-Benz 300D and 1987 Mercedes-Benz 300TD, this hose assembly is a direct-fit style replacement for vehicles using the original hose layout. The 55571 part number is commonly searched alongside Mercedes-Benz 300D A/C hose assembly and Mercedes-Benz 300TD refrigerant line replacement terms.
This part cross-references Gates 51820 for the same application.
What It Is Used For
- Replacing a leaking or damaged A/C discharge and suction hose assembly
- Restoring refrigerant flow in an R134a air conditioning system
- Addressing cracked rubber sections or corroded aluminum line sections
- Correcting seal-related refrigerant loss at the hose connections
- Repairing service-port or switch-port related hose assembly issues
Installation Notes and Tips
Verify the hose routing, end style, bracket location, and switch-port configuration against the original part before installation. Replace the included O-rings and seals during service, and evacuate and recharge the system according to the vehicle’s A/C service procedure after installation. Confirm that the system is set up for R134a refrigerant before use.
Quality Assurance
Four Seasons is an established HVAC parts brand with OE replacement coverage across a wide range of automotive air conditioning components. Part number 55571 is cataloged as an OE replacement hose assembly for the listed Mercedes-Benz applications.
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1987 | Mercedes-Benz | 300D | — | — | — | — | N/A | Hose Assembly |
| 1987 | Mercedes-Benz | 300TD | Wagon | 3.0L | L6 | DIESEL | N/A | Hose Assembly |
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