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Four Seasons 66819 A/C Suction and Liquid Line Hose Assembly
Ford Explorer A/C Hose Assembly
Restore refrigerant flow in the HVAC system with this Four Seasons hose assembly, part number 66819. It is built as an A/C suction and liquid line hose assembly for select Ford Explorer applications, with aluminum and rubber construction and R134A refrigerant compatibility.
Four Seasons hose assemblies are engineered and tested for dependable operation, drawing on more than 50 years of mobile A/C experience. This Four Seasons 66819 replacement is built for direct service on the listed Ford Explorer fitments.
- Aluminum / rubber construction for A/C line service
- Designed as a suction and liquid line hose assembly
- R134A refrigerant type
- P-nut fitting on one end and male P-nut on the other
- Service port included
- Gasket or seal included
- Fittings included
- OE-style replacement for listed Ford Explorer applications
Product Details
This hose assembly is configured for HVAC service where both suction and liquid line routing is required. It includes the specified sealing components and service port, and it is supplied without a bracket and without a muffler. The part number 66819 is also cross-referenced in the aftermarket for the same application, including UAC HA113994C.
Compatible With: Fits 2014-2019 Ford Explorer, N/A. Fits 2013 Ford Explorer, N/A, from 9/4/2012. Use this Four Seasons 66819 hose assembly when replacing a worn or leaking A/C line on the Ford Explorer.
Common Repair Issues
- A/C refrigerant loss from a cracked or leaking hose
- Damaged fittings or worn sealing surfaces at the line connections
- Reduced cooling performance caused by restricted or compromised hose flow
- Service port leakage during HVAC diagnosis or recharge work
- Failure of the original suction or liquid line assembly on the Ford Explorer
Installation Notes
Verify the vehicle’s refrigerant system uses R134A before installation. Match the end styles, service port location, and routing to the original hose assembly on the vehicle. Replace the sealing washers and O-rings as required during service, and evacuate and recharge the system according to factory procedures after installation.
Quality Assurance
Four Seasons states that its HVAC products are engineered and tested for long service life, supported by decades of mobile A/C experience. Part number 66819 is built as a direct-fit hose assembly for the listed Ford Explorer applications.
| Brand | Four Seasons |
|---|---|
| Part Number | 66819 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | Male p-nut |
| Refrigerant Type | R134a |
| Gasket Or Seal Included | Included |
| Switch Service Port | No |
| Fittings Included | Included |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | 24404 / slim line sealing washer |
| O-Ring A Quantity | 1 |
| O-Ring B Number/Desc | 24401 / slim line sealing washer |
| O-Ring B Quantity | 1 |
| O-Ring C Number/Desc | 24069 / o-ring and sealing washer kit |
| O-Ring C Quantity | 1 |
| Service Port Included | Yes |
| Style | Hose assy /suction, liquid |
| Suction End Style | P-nut fitting |
| Type | Suction & liquid line |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Explorer | 3.5L | V6 | N/A | Hose Assembly |
| 2018 | Ford | Explorer | 3.5L | V6 | N/A | Hose Assembly |
| 2017 | Ford | Explorer | 3.5L | V6 | N/A | Hose Assembly |
| 2016 | Ford | Explorer | 3.5L | V6 | N/A | Hose Assembly |
| 2015 | Ford | Explorer | 3.5L | V6 | N/A | Hose Assembly |
| 2014 | Ford | Explorer | 3.5L | V6 | N/A | Hose Assembly |
| 2013 | Ford | Explorer | 3.5L | V6 | N/A | From 9/4/2012; Hose Assembly |
* 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.