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Four Seasons 54431 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54431
The Four Seasons Evaporator Core 54431 is designed to restore efficient air conditioning performance in Chevrolet and GMC trucks. Engineered with precise dimensions and durable aluminum construction, this A/C evaporator core is compatible with popular models such as the Chevrolet C1500 and GMC K2500.
- Compatible with Chevrolet and GMC C15, C35, C1500, C2500, C3500, K1500, K2500, and K3500 models
- Constructed from corrosion-resistant aluminum for durability
- Core dimensions: 11.4375" width, 9.25" to 9.5" height, and 2.875" depth
- Plate and fin design for effective heat exchange
- Male insert o-ring inlet and outlet fittings with No. 12 outside diameter
- Includes green o-rings [24608] and [24612], plus orifice tube [38623]
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 material quality, ensuring consistent cooling performance and longevity. The 54431 evaporator core is part of this line, offering a direct replacement solution for specific Chevrolet and GMC truck models.
Detailed Product Description and Specifications
This A/C evaporator core features a plate and fin design constructed from aluminum, providing efficient heat transfer and resistance to corrosion. The core measures approximately 11-7/16 inches in width (290.512 mm), 9-1/4 to 9-1/2 inches in height (234.95 mm), and 2-7/8 inches in depth (73.025 mm). Both the inlet and outlet fittings utilize male insert o-rings with a No. 12 outside diameter, ensuring a secure and leak-free connection. Included with the core are green o-rings [24608] and [24612], as well as an orifice tube [38623], which are essential for proper installation and system integrity.
Common Applications and Issues Addressed
- Restores cooling efficiency in Chevrolet C1500 and GMC K2500 A/C systems
- Replaces leaking or clogged evaporator cores causing reduced airflow or unpleasant odors
- Solves issues related to refrigerant leaks at the evaporator core
- Addresses inconsistent cabin temperature control due to evaporator failure
- Eliminates moisture buildup and potential mold growth inside the HVAC system
Installation Notes and Tips
- Ensure compatibility with your specific Chevrolet or GMC truck model before installation
- Replace all associated o-rings and the orifice tube included with the part number 54431 to prevent leaks
- Handle the aluminum core carefully to avoid damage to the fins
- Follow manufacturer torque specifications for inlet and outlet fittings
- Flush the A/C system to remove contaminants before installing the new evaporator core
Quality Assurance and Warranty Information
Four Seasons manufactures the Evaporator Core 54431 to meet or exceed OEM standards, using high-quality aluminum and precise manufacturing processes. The product includes necessary sealing components to ensure a reliable fit and function. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Four Seasons |
|---|---|
| Part Number | 54431 |
| Position | Evaporator Core |
| Core Depth Fraction | 2-7/8 |
| Core Depth MM | 73.025 |
| Core Height Fraction | 9-1/4 |
| Core Height MM | 234.950 |
| Core Width Fraction | 11-7/16 |
| Core Width MM | 290.512 |
| Depth | 2.875 |
| Description | Evaporator Cores |
| Height | 9.250 |
| Height | 9.500 |
| 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 | Male Insert O-Ring |
| Type | Plate & Fin |
| Width | 8.000 |
| Width | 11.4375 |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990 | Chevrolet | C1500 | N/A | Evaporator Core |
| 1990 | Chevrolet | C2500 | N/A | Evaporator Core |
| 1990 | Chevrolet | C35 | N/A | Evaporator Core |
| 1990 | Chevrolet | C3500 | N/A | Evaporator Core |
| 1990 | Chevrolet | K1500 | N/A | Evaporator Core |
| 1990 | Chevrolet | K2500 | N/A | Evaporator Core |
| 1990 | Chevrolet | K3500 | N/A | Evaporator Core |
| 1990 | GMC | C1500 | N/A | Evaporator Core |
| 1990 | GMC | C2500 | N/A | Evaporator Core |
| 1990 | GMC | C3500 | N/A | Evaporator Core |
| 1990 | GMC | K1500 | N/A | Evaporator Core |
| 1990 | GMC | K2500 | N/A | Evaporator Core |
| 1990 | GMC | K3500 | N/A | Evaporator Core |
| 1989 | Chevrolet | C1500 | N/A | Evaporator Core |
| 1989 | Chevrolet | C2500 | N/A | Evaporator Core |
| 1989 | Chevrolet | C35 | N/A | Evaporator Core |
| 1989 | Chevrolet | C3500 | N/A | Evaporator Core |
| 1989 | Chevrolet | K1500 | N/A | Evaporator Core |
| 1989 | Chevrolet | K2500 | N/A | Evaporator Core |
| 1989 | Chevrolet | K3500 | N/A | Evaporator Core |
| 1989 | GMC | C1500 | N/A | Evaporator Core |
| 1989 | GMC | C2500 | N/A | Evaporator Core |
| 1989 | GMC | C3500 | N/A | Evaporator Core |
| 1989 | GMC | K1500 | N/A | Evaporator Core |
| 1989 | GMC | K2500 | N/A | Evaporator Core |
| 1989 | GMC | K3500 | N/A | Evaporator Core |
| 1988 | Chevrolet | C15 | N/A | Evaporator Core |
| 1988 | Chevrolet | C1500 | N/A | Evaporator Core |
| 1988 | Chevrolet | C2500 | N/A | Evaporator Core |
| 1988 | Chevrolet | C35 | N/A | Evaporator Core |
| 1988 | Chevrolet | C3500 | N/A | Evaporator Core |
| 1988 | Chevrolet | K1500 | N/A | Evaporator Core |
| 1988 | Chevrolet | K2500 | N/A | Evaporator Core |
| 1988 | Chevrolet | K3500 | N/A | Evaporator Core |
| 1988 | GMC | C1500 | N/A | Evaporator Core |
| 1988 | GMC | C2500 | N/A | Evaporator Core |
| 1988 | GMC | C3500 | N/A | Evaporator Core |
| 1988 | GMC | K1500 | N/A | Evaporator Core |
| 1988 | GMC | K2500 | N/A | Evaporator Core |
| 1988 | GMC | K3500 | 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.