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Four Seasons 55491 A/C Refrigerant Discharge Hose
Overview of Four Seasons Hose Assembly 55491
The Four Seasons Hose Assembly 55491 is designed for reliable A/C refrigerant discharge in select Cadillac models. Engineered to handle R12 and R134a refrigerants, this discharge hose assembly ensures proper HVAC system function in Cadillac Commercial Chassis, DeVille, and Fleetwood vehicles.
- Compatible with Cadillac Commercial Chassis, DeVille, and Fleetwood
- Designed for A/C refrigerant types R12 and R134a
- Includes gasket, fittings, and green O-rings for secure sealing
- Features a muffler and a 3/8" - 24 switch service port
- OE replacement part ensuring proper fit and function
- Discharge line component type without bracket or switch included
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on durable hose assemblies tailored for HVAC systems. This line provides components that meet original equipment specifications, including necessary fittings, gaskets, and O-rings. The 55491 hose assembly is part of this line, offering a discharge line solution with integrated muffler and switch service port features to maintain system integrity and performance.
Detailed Product Description
This A/C refrigerant discharge hose assembly (part number 55491) is engineered to replace original equipment in Cadillac Commercial Chassis, DeVille, and Fleetwood models. It supports both R12 and R134a refrigerants, making it versatile for various HVAC system requirements. The assembly includes two green O-rings (part number 24608) and one additional green O-ring (part number 24606) to ensure leak-free connections. The hose features a block-type suction end and comes with a muffler to reduce noise during operation. While the assembly includes a switch service port sized 3/8" - 24, the switch itself is not included. Fittings and gasket are included for a complete installation, though the assembly does not come with a mounting bracket.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge hoses in Cadillac Commercial Chassis, DeVille, and Fleetwood
- Resolving refrigerant leaks caused by damaged or degraded O-rings and fittings
- Eliminating noise issues in the HVAC system with the integrated muffler
- Ensuring proper refrigerant flow and pressure with a reliable discharge line
- Maintaining system integrity when switching between R12 and R134a refrigerants
Installation Notes and Tips
- Verify compatibility with your specific Cadillac model and year before installation
- Ensure all included O-rings and gaskets are properly seated to prevent leaks
- Use the included fittings and gasket for a secure connection
- Note that the switch is not included; if required, source separately
- Carefully route the hose to avoid contact with moving parts or heat sources
Quality Assurance and Warranty
The Four Seasons Hose Assembly 55491 is an OE replacement part designed to meet original equipment standards for fit and function. It includes all necessary sealing components to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for automotive HVAC components.
| Brand | Four Seasons |
| Part Number | 55491 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Discharge Line |
| Description | Hose Assemblies |
| Fittings Included | Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24606] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R12, R134a |
| Service Port? | w/o Service Port |
| Suction End Type | Block |
| Switch Included? | Not Included |
| Switch Port Size | 3/8" - 24 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1987 | Cadillac | Commercial Chassis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |||
| 1987 | Cadillac | DeVille | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |||
| 1987 | Cadillac | Fleetwood | 60 Special | N/A | Funeral Coach; Discharge Line; Hose Assembly | ||
| 1986 | Cadillac | Commercial Chassis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |||
| 1986 | Cadillac | DeVille | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |||
| 1986 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1986 | Cadillac | Fleetwood | Base | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 1986 | Cadillac | Fleetwood | 75 | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 1986 | Cadillac | Fleetwood | 75 Formal | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 1985 | Cadillac | Commercial Chassis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |||
| 1985 | Cadillac | DeVille | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1985 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1984 | Cadillac | DeVille | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1984 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1983 | Cadillac | DeVille | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1983 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1982 | Cadillac | DeVille | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1982 | Cadillac | Fleetwood | 4.1L | V6 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly | |
| 1982 | Cadillac | Fleetwood | 4.1L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; 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.