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Four Seasons 54628 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54628
The Four Seasons Evaporator Core 54628 is designed specifically for select BMW models, including the 525i, 530i, 535i, 540i, 735i, 740i, 750iL, 840Ci, 850Ci, 850CSi, 850i, and M5. This A/C evaporator core ensures efficient cooling performance by effectively managing refrigerant flow within the HVAC system.
- Core dimensions: 13.5 inches width, 8 inches height, 2.125 inches depth
- Tube and fin design constructed from durable aluminum
- Flange-type inlet and outlet fittings with No. 8 and No. 10 outside diameters respectively
- Includes green O-rings [24608] and [24610] for secure sealing
- Compatible with BMW 5 Series, 7 Series, 8 Series, and M5 models
Four Seasons Evaporator Core Product Line Details
The Evaporator Core line by Four Seasons focuses on delivering reliable HVAC components that meet OEM specifications. This product line emphasizes precise fitment and durable materials, such as aluminum tube and fin construction, to maintain optimal heat exchange and refrigerant flow. The 54628 part number is part of this line, ensuring compatibility and performance for BMW vehicles requiring a direct replacement evaporator core.
Technical Description and Specifications
The Four Seasons 54628 evaporator core features a tube and fin design made from aluminum, providing efficient heat transfer and corrosion resistance. The core measures 13.5 inches in width, 8 inches in height, and 2.125 inches in depth (approximately 342.9 mm x 203.2 mm x 53.975 mm). It includes flange-type inlet and outlet fittings with outside diameters of No. 8 and No. 10, respectively, facilitating secure connections within the HVAC system. The product also comes with two green O-rings ([24608] and [24610]) to ensure a tight seal and prevent refrigerant leaks.
Applications and Common Issues Addressed
- Replacement for leaking or clogged evaporator cores in BMW 5 Series, 7 Series, 8 Series, and M5 models
- Restores proper A/C cooling performance by improving refrigerant flow
- Resolves issues related to reduced airflow or unpleasant odors caused by evaporator core contamination
- Addresses HVAC system inefficiencies due to corrosion or physical damage to the core
Installation Notes and Tips
Installation of the Four Seasons Evaporator Core 54628 requires careful handling to avoid damage to the aluminum fins and fittings. Ensure that the green O-rings are properly seated to prevent refrigerant leaks. It is recommended to inspect the HVAC system for any additional worn components during replacement. Professional installation is advised to maintain system integrity and performance.
Quality Assurance and Warranty
Four Seasons manufactures the 54628 evaporator core to meet or exceed OEM standards for fit, form, and function. The use of aluminum materials and precise manufacturing processes supports durability and long service life. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.
| Brand | Four Seasons |
| Part Number | 54628 |
| Position | Evaporator Core |
| Core Depth Fraction | 2-1/8 |
| Core Depth MM | 53.975 |
| Core Height Fraction | 8 |
| Core Height MM | 203.200 |
| Core Width Fraction | 13-1/2 |
| Core Width MM | 342.900 |
| Depth | 2.125 |
| Description | Evaporator Cores |
| Height | 8.000 |
| Inlet Fitting Outside Diameter | No. 8 |
| Inlet Fitting Type | Flange |
| Material | Aluminum |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24610] / Green O-Ring |
| Outlet Fitting Outside Diameter | No. 10 |
| Outlet Fitting Type | Flange |
| Type | Tube & Fin |
| Width | 13.500 |
This part fits 55 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | BMW | 840Ci | N/A | Evaporator Core |
| 1997 | BMW | 850Ci | N/A | Evaporator Core |
| 1996 | BMW | 840Ci | N/A | Evaporator Core |
| 1996 | BMW | 850Ci | N/A | Evaporator Core |
| 1995 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1995 | BMW | 530i | N/A | Evaporator Core |
| 1995 | BMW | 540i | N/A | Evaporator Core |
| 1995 | BMW | 840Ci | N/A | Evaporator Core |
| 1995 | BMW | 850Ci | N/A | Evaporator Core |
| 1995 | BMW | 850CSi | N/A | Evaporator Core |
| 1994 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1994 | BMW | 530i | N/A | Evaporator Core |
| 1994 | BMW | 540i | N/A | Evaporator Core |
| 1994 | BMW | 740i | N/A | Evaporator Core |
| 1994 | BMW | 740iL | N/A | Evaporator Core |
| 1994 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1994 | BMW | 840Ci | N/A | Evaporator Core |
| 1994 | BMW | 850Ci | N/A | Evaporator Core |
| 1994 | BMW | 850CSi | N/A | Evaporator Core |
| 1993 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1993 | BMW | 525iT | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1993 | BMW | 535i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1993 | BMW | 740i | N/A | Evaporator Core |
| 1993 | BMW | 740iL | N/A | Evaporator Core |
| 1993 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1993 | BMW | 850Ci | N/A | Evaporator Core |
| 1993 | BMW | M5 | N/A | Evaporator Core |
| 1992 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1992 | BMW | 535i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1992 | BMW | 735i | N/A | Evaporator Core |
| 1992 | BMW | 735iL | N/A | Evaporator Core |
| 1992 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1992 | BMW | 850i | N/A | Evaporator Core |
| 1992 | BMW | M5 | N/A | Evaporator Core |
| 1991 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1991 | BMW | 535i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1991 | BMW | 735i | N/A | Evaporator Core |
| 1991 | BMW | 735iL | N/A | Evaporator Core |
| 1991 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1991 | BMW | 850i | N/A | Evaporator Core |
| 1991 | BMW | M5 | N/A | Evaporator Core |
| 1990 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1990 | BMW | 535i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1990 | BMW | 735i | N/A | Evaporator Core |
| 1990 | BMW | 735iL | N/A | Evaporator Core |
| 1990 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1989 | BMW | 525i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1989 | BMW | 535i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1989 | BMW | 735i | N/A | Evaporator Core |
| 1989 | BMW | 735iL | N/A | Evaporator Core |
| 1989 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1988 | BMW | 735i | N/A | Evaporator Core |
| 1988 | BMW | 735iL | N/A | Evaporator Core |
| 1988 | BMW | 750iL | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core |
| 1987 | BMW | 735i | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; 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.