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Four Seasons 55751 A/C Discharge and Liquid Line
Overview of Four Seasons Hose Assembly 55751
The Four Seasons Hose Assembly 55751 is designed specifically for high-pressure A/C systems using R134a refrigerant. Engineered for reliable performance, this hose assembly is compatible with Dodge Caravan and Plymouth Voyager models, providing a direct replacement for your vehicle's A/C discharge and liquid line needs.
- Constructed from durable aluminum and rubber materials
- Includes all necessary fittings and gaskets for installation
- Equipped with a service port featuring an R134a quick disconnect
- Designed for high-pressure A/C systems with a block-style discharge end
- Comes with manifold and muffler components integrated
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for HVAC systems, combining both discharge and liquid lines into a single unit. This approach simplifies replacement and ensures compatibility with original equipment specifications. The 55751 part number represents a high-quality assembly that includes essential components such as gaskets, fittings, and service ports, tailored for specific vehicle applications like the Dodge Caravan and Plymouth Voyager.
Technical Description and Features
This hose assembly is constructed from a combination of aluminum and rubber, providing durability and flexibility under high-pressure conditions. It is designed for use with R134a refrigerant and includes a captured o-ring suction end with a P-nut fitting for secure connections. The assembly features a block-style discharge end and liquid line, complete with a manifold and muffler to reduce noise and vibration. Four distinct O-rings are included to ensure leak-free sealing at critical connection points. The service port is threaded M10 x 1.25 and supports quick disconnect functionality for efficient servicing.
Applications and Problem Solving
- Replacement of worn or damaged A/C discharge and liquid lines in Dodge Caravan and Plymouth Voyager
- Resolution of refrigerant leaks due to faulty gaskets or seals
- Improvement of A/C system pressure integrity with high-quality fittings
- Elimination of noise and vibration through integrated muffler design
- Facilitation of maintenance with included service port for quick refrigerant access
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 55751, ensure all O-rings are properly seated to prevent leaks. The included fittings and gaskets should be used as supplied to maintain system integrity. The service port allows for easy connection of diagnostic and recharge equipment. This assembly does not include an orifice tube, so verify the existing system components before installation. No bracket is included, so use existing mounting points on the vehicle.
Quality Assurance and Warranty
Four Seasons Hose Assembly 55751 is an original equipment replacement part, meeting or exceeding OEM specifications for fit and function. The product includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
|---|---|
| Part Number | 55751 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Description | Hose Assemblies |
| Discharge End Type | Block |
| Fittings Included | Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Liquid Line Style | Block |
| Manifold? | w/ Manifold |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24124] / Filter Drier Flange Port Gasket |
| O-Ring B Number/Desc | [24139] / Condenser Block Fitting Port Gasket |
| O-Ring C Number/Desc | [24606] / Green O-Ring |
| O-Ring D Number/Desc | [24628] / Green O-Ring |
| O.E. Replacement? | Yes |
| Orifice Tube? | Not Included |
| Refrigerant Type | R134a |
| Service Port Qty | 1 |
| Service Port Trd | M10 x 1.25 |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/ Service Port |
| Style | Hose Assy /Discharge, Liquid |
| Suction End Size | No. 8 |
| Suction End Style | Captured O-Ring |
| Suction End Type | P-Nut Fitting |
| Svc Port High Side | High Side |
| System Pressure | High Pressure |
| Type | Discharge & Liquid Line |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Dodge | Caravan | 2.5L | L4 | N/A | Hose Assembly |
| 1995 | Plymouth | Voyager | 2.5L | L4 | N/A | Hose Assembly |
| 1994 | Dodge | Caravan | 2.5L | L4 | N/A | Hose Assembly |
| 1994 | Plymouth | Voyager | 2.5L | L4 | N/A | Hose Assembly |
| 1993 | Dodge | Caravan | 2.5L | L4 | N/A | Hose Assembly |
| 1993 | Plymouth | Voyager | 2.5L | L4 | N/A | 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.