OE Quality
60-Day Returns

Four Seasons 54957 A/C Evaporator Core - Rear
Overview of Four Seasons Evaporator Core 54957
The Four Seasons Evaporator Core 54957 is designed specifically for Acura MDX and Honda Pilot models. This A/C evaporator core ensures efficient cooling performance by effectively managing refrigerant flow within your vehicle's HVAC system.
- Compatible with Acura MDX and Honda Pilot
- Part number 54957 for precise identification
- Constructed from durable aluminum material
- Plate & fin core type for optimal heat exchange
- Block fitting inlet and outlet for secure connections
- Dimensions: 8.0625" width, 5.75" height, 2.3125" depth
- Includes two green O-rings (part numbers 24661 and 24681)
Detailed Product Features and Specifications
This Four Seasons Evaporator Core 54957 features a plate and fin design that enhances heat transfer efficiency, contributing to consistent cabin cooling. The core measures 8-1/16 inches in width, 5-3/4 inches in height, and 2-5/16 inches in depth (204.787 mm x 146.050 mm x 58.737 mm), fitting precisely within the HVAC system of Acura MDX and Honda Pilot vehicles. Both the inlet and outlet utilize block fittings, ensuring a secure and leak-resistant connection. The aluminum construction provides corrosion resistance and durability under typical operating conditions. Included with the evaporator core are two green O-rings (part numbers 24661 and 24681), which are essential for sealing and preventing refrigerant leaks.
About the Four Seasons Evaporator Core Product Line
The Four Seasons Evaporator Core product line focuses on delivering reliable HVAC components designed to meet or exceed OEM specifications. This line emphasizes quality materials and precise fitment to maintain the integrity of the vehicle’s air conditioning system. The 54957 evaporator core is part of this line, offering a direct replacement solution for Acura MDX and Honda Pilot models requiring efficient and dependable evaporator performance.
Common Applications and Problem Resolution
- Restores proper cooling function in Acura MDX and Honda Pilot A/C systems
- Replaces leaking or clogged evaporator cores causing reduced airflow or cooling
- Addresses refrigerant leaks due to worn or damaged evaporator components
- Eliminates unpleasant odors caused by mold or debris buildup in the evaporator
- Improves overall HVAC system efficiency and cabin comfort
Installation Notes and Tips
When installing the Four Seasons Evaporator Core 54957, ensure the HVAC system is fully evacuated and free of refrigerant before removal. Verify that the block fittings on both inlet and outlet match the vehicle’s connections to prevent leaks. Replace the included green O-rings to maintain a proper seal. It is recommended to inspect the surrounding HVAC components for wear or damage during installation. Proper recharging of the A/C system with the correct refrigerant type and amount is essential for optimal performance.
Quality Assurance and Warranty
Four Seasons manufactures the Evaporator Core 54957 to meet industry standards for durability and performance. The aluminum construction and plate & fin design contribute to long service life under normal operating conditions. This part includes green O-rings to ensure a secure seal and prevent refrigerant leaks. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Four Seasons |
| Part Number | 54957 |
| Position | Evaporator Core, Rear |
| Core Depth Fraction | 2-5/16 |
| Core Depth MM | 58.737 |
| Core Height Fraction | 5-3/4 |
| Core Height MM | 146.050 |
| Core Width Fraction | 8-1/16 |
| Core Width MM | 204.787 |
| Depth | 2.3125 |
| Description | Evaporator Cores |
| Height | 5.750 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24661] / Green O-Ring |
| O-Ring B Number/Desc | [24681] / Green O-Ring |
| Outlet Fitting Type | Block Fitting |
| Type | Plate & Fin |
| Width | 8.0625 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Honda | Pilot | Rear | Evaporator Core |
| 2007 | Acura | MDX | Rear | Evaporator Core |
| 2007 | Honda | Pilot | Rear | Evaporator Core |
| 2006 | Acura | MDX | Rear | Evaporator Core |
| 2006 | Honda | Pilot | Rear | Evaporator Core |
| 2005 | Acura | MDX | Rear | Evaporator Core |
| 2005 | Honda | Pilot | Rear | Evaporator Core |
| 2004 | Acura | MDX | Rear | Evaporator Core |
| 2004 | Honda | Pilot | Rear | Evaporator Core |
| 2003 | Acura | MDX | Rear | Evaporator Core |
| 2003 | Honda | Pilot | Rear | Evaporator Core |
| 2002 | Acura | MDX | Rear | Evaporator Core |
| 2001 | Acura | MDX | Rear | 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.