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Four Seasons 54409 A/C Evaporator Core - Rear
Overview of Four Seasons Evaporator Core 54409
The Four Seasons Evaporator Core 54409 is designed specifically for Chevrolet Astro and GMC Safari models. This A/C evaporator core ensures efficient cooling performance by effectively absorbing heat from the vehicle's cabin air.
- Compatible with Chevrolet Astro and GMC Safari
- Dimensions: 13.25" width, 6.5" height, 2.875" depth
- Constructed from durable aluminum material
- Features No. 8 female o-ring inlet fitting and block outlet fitting
- Includes one green O-ring (part number 24608) for secure sealing
- Plate & fin core type for optimized heat exchange
Four Seasons Evaporator Core Product Line Details
The Four Seasons Evaporator Core product line focuses on delivering reliable HVAC components engineered for precise fit and function. The 54409 evaporator core is part of this line, offering a plate and fin design that balances airflow and heat transfer efficiency. This ensures consistent cabin cooling performance for compatible Chevrolet and GMC vehicles.
Technical Specifications and Features
This evaporator core measures 13.25 inches in width, 6.5 inches in height, and 2.875 inches in depth (73.025 mm core depth). It utilizes a plate and fin construction made from aluminum, which provides corrosion resistance and effective thermal conductivity. The inlet fitting is a No. 8 female o-ring type, while the outlet fitting uses a block fitting design. The included green O-ring (24608) ensures a tight seal to prevent refrigerant leaks.
Common Applications and Problem Resolution
- Restores proper air conditioning cooling in Chevrolet Astro and GMC Safari vehicles
- Replaces leaking or clogged evaporator cores causing reduced A/C performance
- Addresses issues with insufficient cabin airflow or inconsistent temperature control
- Eliminates refrigerant leaks related to damaged or worn evaporator cores
- Improves overall HVAC system efficiency and reliability
Installation Notes and Tips
Installation of the Four Seasons Evaporator Core 54409 requires access to the vehicle's HVAC housing. Ensure all refrigerant is properly recovered before removal. Verify the correct orientation of the inlet and outlet fittings during installation. Replace the O-ring with the included green O-ring (part number 24608) to maintain a secure seal. It is recommended to inspect and clean the HVAC housing and related components before installing the new evaporator core.
Quality Assurance and Warranty
Four Seasons manufactures the 54409 evaporator core to meet OEM specifications for fit and function. The aluminum construction and plate & fin design contribute to durability and consistent performance. This part is backed by Four Seasons' quality standards, providing confidence in its reliability for Chevrolet Astro and GMC Safari applications.
| Brand | Four Seasons |
| Part Number | 54409 |
| Position | Evaporator Core, Rear |
| Core Depth Fraction | 2-7/8 |
| Core Depth MM | 73.025 |
| Core Height Fraction | 6-1/2 |
| Core Height MM | 165.100 |
| Core Width Fraction | 13-1/4 |
| Core Width MM | 336.550 |
| Depth | 2.875 |
| Description | Evaporator Cores |
| Height | 6.500 |
| Inlet Fitting Outside Diameter | No. 8 |
| Inlet Fitting Type | Female O-Ring |
| Material | Aluminum |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| Outlet Fitting Type | Block Fitting |
| Type | Plate & Fin |
| Width | 13.250 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1994 | Chevrolet | Astro | Rear | Evaporator Core |
| 1994 | GMC | Safari | 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.