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Four Seasons 64173 A/C Evaporator Core - Rear
| Brand | Four Seasons 64173 |
|---|---|
| Position | Rear |
| O-Rings Included | Included |
| Inlet Fitting Gender | Male |
| Outlet Fitting Gender | Male |
| Core Depth Fraction | 1-1/2 |
| Core Depth MM | 38 |
| Core Height Fraction | 7-1/8 |
| Core Height MM | 180.97 |
| Core Width Fraction | 8-7/8 |
| Core Width MM | 225 |
| Description | Evaporator cores |
| Type | Plate & fin |
| Product line | Evaporator Core |
| Fits | Ford and Lincoln · 12 vehicles |
Plate and fin design. Promotes efficient heat transfer in the A/C system.
O-rings included. Helps simplify installation with sealing parts in the box.
Four Seasons experience. Backed by over 50 years in mobile A/C.
Cross-references Continental 64173, 289226 and A89226 for the same application. See all 7.
Rear A/C Evaporator Core for Explorer and Aviator
The Four Seasons 64173 is a rear A/C evaporator core built for HVAC service on select Ford and Lincoln vehicles. It is a plate-and-fin evaporator core with male inlet and outlet fittings, and it includes O-rings for the connection points.
Compatible with 2020-2025 Ford Explorer, rear, and 2020-2025 Lincoln Aviator, rear, this evaporator core is sized for the rear climate system and built for direct replacement service.
Key Features
- Four Seasons Evaporator Core line
- Part number 64173
- Plate & fin construction
- Male inlet fitting and male outlet fitting
- O-rings included
- Core dimensions: 8-7/8 in. wide, 7-1/8 in. high, 1-1/2 in. deep
- Core dimensions in metric: 225 mm wide, 180.97 mm high, 38 mm deep
Product Details
Four Seasons 64173 is engineered for rear HVAC evaporator service in the Ford Explorer and Lincoln Aviator. The evaporator core is the heat-exchange component that absorbs cabin heat as refrigerant passes through the system, making it a critical part of rear air conditioning performance. Four Seasons backs this product line with more than 50 years of mobile A/C experience and focuses on tested, service-ready replacement parts.
This part cross-references Continental 64173 for the same application.
Common Issues This Part Can Address
- Rear A/C air that is not cooling properly
- Refrigerant leakage at the evaporator core connections
- Reduced rear cabin comfort in Ford Explorer and Lincoln Aviator models
- HVAC performance loss caused by a damaged or corroded evaporator core
- Service replacement for a failed rear evaporator assembly
Installation Notes
Verify rear HVAC fitment by year, make, model, and position before ordering. Inspect the mating lines, seals, and O-ring surfaces during installation, and confirm the male inlet and outlet fittings match the vehicle connection style. Proper evacuation, leak checking, and system recharge are required after replacement.
Quality Assurance
Four Seasons states that its products are engineered and tested for years of trouble-free operation. The 64173 evaporator core is part of the brand’s long-running mobile A/C product line, built for service-focused replacement in rear HVAC applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | Explorer | — | — | — | Rear | Evaporator Core |
| 2025 | Lincoln | Aviator | — | — | — | Rear | Evaporator Core |
| 2024 | Ford | Explorer | — | — | — | Rear | Evaporator Core |
| 2024 | Lincoln | Aviator | — | — | — | Rear | Evaporator Core |
| 2023 | Ford | Explorer | 3.0L | V6 | GAS | Rear | Evaporator Core |
| 2023 | Lincoln | Aviator | — | — | — | Rear | Evaporator Core |
| 2022 | Ford | Explorer | 3.0L | V6 | GAS | Rear | Evaporator Core |
| 2022 | Lincoln | Aviator | — | — | — | Rear | Evaporator Core |
| 2021 | Ford | Explorer | 2.3L | L4 | GAS | Rear | Evaporator Core |
| 2021 | Lincoln | Aviator | — | — | — | Rear | Evaporator Core |
| 2020 | Ford | Explorer | 3.0L | V6 | GAS | Rear | Evaporator Core |
| 2020 | Lincoln | Aviator | — | — | — | Rear | Evaporator Core |
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