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Four Seasons 54637 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54637
The Four Seasons Evaporator Core 54637 is designed specifically for Saab 900 and 9000 models, providing reliable HVAC performance. This A/C evaporator core ensures efficient cooling by effectively transferring heat within your vehicle's air conditioning system.
- Compatible with Saab 900 and Saab 9000 models
- Constructed from durable aluminum for corrosion resistance
- Tube and fin design for optimal heat exchange
- Includes green O-rings [24604], [24608], and [24610] for secure sealing
- Core dimensions: 9" width, 12-1/8" height, and approximately 3-1/8" depth
- Inlet fitting outside diameter: No. 8; outlet fitting outside diameter: No. 10
Detailed Product Description
The Four Seasons Evaporator Core 54637 belongs to the Evaporator Core product line, which focuses on delivering precise fit and reliable performance for vehicle HVAC systems. This part features a tube and fin construction made from aluminum, providing efficient heat transfer and durability. The core measures 9 inches in width, 12-1/8 inches in height, and has a depth of approximately 3-1/8 inches (79.375 mm). It includes three green O-rings ([24604], [24608], and [24610]) to ensure a tight seal and prevent refrigerant leaks. The inlet and outlet fittings have outside diameters of No. 8 and No. 10 respectively, matching OEM specifications for Saab 900 and 9000 models.
Common Applications and Issues Addressed
- Restores proper cooling performance in Saab 900 and 9000 A/C systems
- Replaces leaking or clogged evaporator cores
- Eliminates musty odors caused by mold or debris buildup
- Resolves insufficient cabin cooling due to evaporator failure
- Prevents refrigerant leaks that reduce system efficiency
Installation Notes and Tips
- Ensure compatibility with Saab 900 or 9000 model year before installation
- Inspect and replace O-rings as needed to maintain proper sealing
- Handle the aluminum core carefully to avoid damage to fins
- Flush the HVAC system to remove debris before installing the new evaporator core
- Follow vehicle manufacturer guidelines for refrigerant handling and system evacuation
Quality Assurance and Warranty
Four Seasons manufactures the Evaporator Core 54637 to meet or exceed OEM standards for fit and function. The aluminum construction and included O-rings contribute to long-lasting performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms.
| Brand | Four Seasons |
|---|---|
| Part Number | 54637 |
| Position | Evaporator Core |
| Core Depth Fraction | 3-1/8 |
| Core Depth MM | 79.375 |
| Core Height Fraction | 12-1/8 |
| Core Height MM | 307.975 |
| Core Width Fraction | 9 |
| Core Width MM | 228.600 |
| Depth | 3.125 |
| Depth | 3.250 |
| Description | Evaporator Cores |
| Height | 11.000 |
| Height | 12.125 |
| Inlet Fitting Outside Diameter | No. 8 |
| Material | Aluminum |
| O-Ring A Number/Desc | [24604] / Green O-Ring |
| O-Ring B Number/Desc | [24608] / Green O-Ring |
| O-Ring C Number/Desc | [24610] / Green O-Ring |
| Outlet Fitting Outside Diameter | No. 10 |
| Type | Tube & Fin |
| Width | 9.000 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1994 | Saab | 900 | S | 2.1L | L4 | N/A | Evaporator Core |
| 1994 | Saab | 900 | Turbo | 2.0L | L4 | N/A | Evaporator Core |
| 1993 | Saab | 900 | N/A | Evaporator Core | |||
| 1993 | Saab | 9000 | N/A | Evaporator Core | |||
| 1992 | Saab | 900 | N/A | Evaporator Core | |||
| 1992 | Saab | 9000 | N/A | Evaporator Core | |||
| 1991 | Saab | 900 | N/A | Evaporator Core | |||
| 1990 | Saab | 900 | N/A | Evaporator Core | |||
| 1989 | Saab | 900 | N/A | Evaporator Core | |||
| 1988 | Saab | 900 | N/A | Evaporator Core | |||
| 1987 | Saab | 900 | N/A | Evaporator Core | |||
| 1986 | Saab | 900 | N/A | Evaporator Core | |||
| 1985 | Saab | 900 | N/A | Evaporator Core | |||
| 1984 | Saab | 900 | N/A | Evaporator Core | |||
| 1983 | Saab | 900 | N/A | Evaporator Core | |||
| 1982 | Saab | 900 | N/A | Evaporator Core | |||
| 1981 | Saab | 900 | 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.