OE Quality
60-Day Returns

Four Seasons 54585 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54585
The Four Seasons Evaporator Core 54585 is designed specifically for Cadillac Brougham and Commercial Chassis models. This A/C evaporator core ensures efficient cooling performance by effectively absorbing heat from the vehicle's cabin air.
- Compatible with Cadillac Brougham and Commercial Chassis
- Part number 54585 for precise identification
- Constructed from durable aluminum material
- Plate & fin core type for optimized heat exchange
- Dimensions: 10.5" width, 11.375" height, 3.625" depth
- Inlet fitting: Male insert o-ring; Outlet fitting: Female o-ring with No. 12 outside diameter
- Includes green o-rings and orifice tube for secure sealing
Four Seasons Evaporator Core Product Line Details
The Four Seasons Evaporator Core product line focuses on delivering reliable HVAC components that meet OEM specifications. This line features plate and fin core designs made from aluminum, providing efficient heat transfer and corrosion resistance. The 54585 evaporator core is part of this line, engineered to maintain optimal air conditioning performance in compatible Cadillac vehicles.
Detailed Product Description and Specifications
The Four Seasons Evaporator Core 54585 measures 10.5 inches in width, 11.375 inches in height, and 3.625 inches in depth, with core dimensions precisely matching these measurements for proper fitment. It features a plate and fin design constructed from aluminum, which offers durability and effective thermal conductivity. The inlet fitting uses a male insert o-ring, while the outlet fitting is a female o-ring with a No. 12 outside diameter, ensuring secure connections within the HVAC system. Included are green o-rings ([24608] and [24612]) and an orifice tube ([38623]) to maintain system integrity and prevent leaks.
Common Applications and Issues Addressed
- Restores proper cabin cooling in Cadillac Brougham and Commercial Chassis models
- Replaces leaking or clogged evaporator cores
- Solves issues related to reduced A/C airflow or inconsistent cooling
- Addresses refrigerant leaks caused by damaged core components
- Improves overall HVAC system efficiency and reliability
Installation Notes and Tips
Installation of the Four Seasons Evaporator Core 54585 requires removal of the vehicle’s HVAC housing. Ensure all refrigerant is properly evacuated before beginning work. Verify that the inlet and outlet fittings match the vehicle’s connections, and replace all included o-rings to prevent leaks. Proper sealing and torque specifications should be followed to maintain system integrity. It is recommended to inspect the entire A/C system for additional wear or damage during installation.
Quality Assurance and Warranty
Four Seasons manufactures the 54585 evaporator core to meet or exceed OEM standards, using corrosion-resistant aluminum and precision fittings. The product line is known for consistent quality and durability. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region or distributor.
| Brand | Four Seasons |
|---|---|
| Part Number | 54585 |
| Position | Evaporator Core |
| Core Depth Fraction | 3-5/8 |
| Core Depth MM | 92.075 |
| Core Height Fraction | 11-3/8 |
| Core Height MM | 288.925 |
| Core Width Fraction | 10-1/2 |
| Core Width MM | 266.700 |
| Depth | 3.625 |
| Description | Evaporator Cores |
| Height | 9.000 |
| Height | 11.375 |
| Inlet Fitting Type | Male Insert O-Ring |
| Material | Aluminum |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| O-Ring C Number/Desc | [38623] / Orifice Tube |
| Outlet Fitting Outside Diameter | No. 12 |
| Outlet Fitting Type | Female O-Ring |
| Type | Plate & Fin |
| Width | 10.500 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Cadillac | Brougham | N/A | Evaporator Core | ||
| 1992 | Cadillac | Commercial Chassis | 5.7L | V8 | N/A | Evaporator Core |
| 1991 | Cadillac | Brougham | N/A | Evaporator Core | ||
| 1990 | Cadillac | Brougham | N/A | Evaporator Core |
* 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.