OE Quality
60-Day Returns

Four Seasons 55671 A/C Refrigerant Suction Hose
Reliable A/C Refrigerant Suction Hose for Ford, Lincoln, Mercury
The Four Seasons Hose Assembly 55671 is designed to provide dependable performance for your vehicle's HVAC system. Specifically engineered for Ford, Lincoln, and Mercury models such as the Grand Marquis, LTD, Mark VI, Marquis, and Town Car, this A/C refrigerant suction hose ensures proper refrigerant flow and system efficiency.
- Constructed from durable aluminum and rubber materials for long-lasting use
- Compatible with R12 refrigerant systems
- Features female o-ring and UNF o-ring end types for secure connections
- Includes green o-rings and necessary fittings for installation
- Designed as a low-pressure suction line without a switch or muffler
- OE replacement part ensuring proper fit and function
About the Four Seasons Hose Assembly Product Line
The Hose Assembly line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This product line emphasizes quality materials and exact fitment, making it suitable for maintaining or restoring the air conditioning system's integrity in compatible Ford, Lincoln, and Mercury vehicles. The 55671 hose assembly is part of this line, offering a direct replacement for original suction lines without additional components like brackets or service ports.
Product Details and Specifications
This A/C refrigerant suction hose is constructed from a combination of aluminum and rubber, providing both flexibility and durability under low-pressure conditions. It is designed to work with R12 refrigerant, commonly found in older vehicle air conditioning systems. The hose features a female o-ring connection on one end and a UNF o-ring on the other, each sealed with green o-rings (part numbers 24606, 24610, and 24612) included in the package. The assembly comes without a switch, muffler, bracket, or service port, focusing solely on the suction line function.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant suction hoses in Ford Grand Marquis and Lincoln Town Car
- Restoring proper refrigerant flow in Mercury Marquis and Mark VI air conditioning systems
- Eliminating low-pressure leaks that reduce cooling efficiency
- Addressing hose damage caused by age, corrosion, or wear
- Ensuring compatibility with R12 refrigerant systems in classic vehicle models
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 55671, ensure all old hoses and fittings are removed and the connection points are clean. Use the included green o-rings to create a proper seal at both ends. Since this hose does not include a bracket or muffler, verify that the hose is securely routed and supported to prevent vibration or contact with moving parts. This part is designed as a direct OE replacement, so no modifications should be necessary for compatible Ford, Lincoln, and Mercury models.
Quality Assurance and Warranty
Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment specifications for fit and function. The product includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship, supporting long-term performance in your vehicle's HVAC system.
| Brand | Four Seasons |
|---|---|
| Part Number | 55671 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | Female O-Ring |
| End 2 Type | UNF O-Ring |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24606] / Green O-Ring |
| O-Ring B Number/Desc | [24610] / Green O-Ring |
| O-Ring C Number/Desc | [24612] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R12 |
| Service Port? | w/o Service Port |
| Suction End Type | Female O-Ring |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1985 | Ford | LTD | Base | 5.0L | V8 | N/A | Excluding Police Package: Suction Line; Hose Assembly |
| 1985 | Ford | LTD | Brougham | 5.0L | V8 | N/A | Excluding Police Package: Suction Line; Hose Assembly |
| 1985 | Ford | LTD | LX Brougham | 5.0L | V8 | N/A | Excluding Police Package: Suction Line; Hose Assembly |
| 1985 | Lincoln | Town Car | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1985 | Mercury | Grand Marquis | Base | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1985 | Mercury | Grand Marquis | Base | 5.8L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1985 | Mercury | Grand Marquis | LS | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1985 | Mercury | Grand Marquis | Colony Park | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1984 | Ford | LTD | Base | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1984 | Ford | LTD | Brougham | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1984 | Lincoln | Town Car | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1984 | Mercury | Grand Marquis | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1984 | Mercury | Grand Marquis | 5.8L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1983 | Lincoln | Mark VI | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1983 | Lincoln | Town Car | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1983 | Mercury | Grand Marquis | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1983 | Mercury | Grand Marquis | 5.8L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1982 | Ford | LTD | S | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1982 | Ford | LTD | S | 5.8L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1982 | Ford | LTD | Base | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1982 | Ford | LTD | Base | 5.8L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1982 | Lincoln | Mark VI | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1982 | Lincoln | Town Car | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1982 | Mercury | Grand Marquis | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1982 | Mercury | Marquis | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1981 | Lincoln | Mark VI | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1981 | Lincoln | Town Car | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |||
| 1981 | Mercury | Marquis | 5.0L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 1981 | Mercury | Marquis | 5.8L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.