Introduction
This manual provides essential information for the proper installation, function, and maintenance of the Ford DB5Z-19972-E A/C Refrigerant Discharge Hose. This component is a genuine OEM part designed for specific Ford vehicles, ensuring optimal performance and fitment within your vehicle's air conditioning system.
Important Safety Precautions
- Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves, when working with automotive components and refrigerants.
- Automotive air conditioning systems contain high-pressure refrigerant. Improper handling can cause severe injury or environmental damage.
- It is highly recommended that installation and service be performed by a certified automotive technician.
- Refer to your vehicle's specific service manual for detailed procedures and torque specifications.
- Ensure the vehicle's engine is off and the battery is disconnected before beginning any work.
Product Overview
The Ford DB5Z-19972-E is an original equipment manufacturer (OEM) A/C Refrigerant Discharge Hose. This hose is a critical part of your vehicle's air conditioning system, responsible for transporting high-pressure refrigerant gas from the A/C compressor to the condenser. Its proper function is essential for the efficient cooling performance of your vehicle and maintaining the integrity of the sealed refrigerant system.

Image 1: The Ford DB5Z-19972-E A/C Refrigerant Discharge Hose. This image displays the complete hose assembly, including its fittings and connections, as it would appear prior to installation.
Included Components
This product includes the complete A/C Refrigerant Discharge Hose assembly, identified as part #9 in the accompanying diagrams.

Image 2: Detailed diagram highlighting part #9, the A/C Refrigerant Discharge Hose. This diagram isolates the specific component included with this product, showing its shape and connection points.

Image 3: Exploded view diagram of the A/C system, with the A/C Refrigerant Discharge Hose (part #9) clearly indicated within the larger assembly. This provides context for where the hose connects within the vehicle's air conditioning system.
Vehicle Compatibility
This A/C Refrigerant Discharge Hose (DB5Z-19972-E) is compatible with the following Ford Police Interceptor Utility models:

Image 4: A list detailing the compatible vehicle years, makes, models, trims, and engine specifications for the DB5Z-19972-E A/C Refrigerant Discharge Hose. This image confirms specific vehicle fitment.
- 2015 Ford Police Interceptor Utility, TRIM: Base Sport Utility 4-Door, ENGINE: 3.7L 3726CC 227Cu. In. V6 FLEX DOHC Naturally Aspirated
- 2015 Ford Police Interceptor Utility, TRIM: Base Sport Utility 4-Door, ENGINE: 3.7L 3726CC 227Cu. In. V6 GAS DOHC Naturally Aspirated
- 2014 Ford Police Interceptor Utility, TRIM: Base Sport Utility 4-Door, ENGINE: 3.7L 3726CC 227Cu. In. V6 GAS DOHC Naturally Aspirated
- 2013 Ford Police Interceptor Utility, TRIM: Base Sport Utility 4-Door, ENGINE: 3.7L 3726CC 227Cu. In. V6 GAS DOHC Naturally Aspirated
Note: Always verify compatibility with your vehicle's specific year, make, model, and engine configuration before purchase and installation.
Setup and Installation Guidelines
Installation of A/C system components requires specialized tools and knowledge. It is strongly recommended that this procedure be performed by a qualified and certified automotive technician.
- System Depressurization: Before beginning any work, the A/C system must be properly depressurized and evacuated by a certified technician using appropriate recovery equipment. Refrigerant must not be released into the atmosphere.
- Access: Gain access to the existing A/C discharge hose. This may involve removing other components such as engine covers, air intake systems, or other hoses.
- Disconnect Old Hose: Carefully disconnect the old discharge hose from both the A/C compressor and the condenser. Be prepared for residual refrigerant or oil.
- Inspect Connections: Inspect the mating surfaces on the compressor and condenser for any debris, damage, or old O-rings. Clean as necessary.
- Install New O-Rings: Always use new, compatible O-rings lubricated with appropriate PAG or POE oil (as specified by your vehicle manufacturer) on the new hose fittings.
- Install New Hose: Carefully position and connect the new Ford DB5Z-19972-E discharge hose to the compressor and condenser. Ensure fittings are properly seated and hand-tightened before applying torque.
- Torque Specifications: Tighten the fittings to the vehicle manufacturer's specified torque values. Overtightening can damage fittings, while undertightening can lead to leaks.
- Vacuum and Recharge: After installation, the A/C system must be evacuated to remove air and moisture, and then recharged with the correct type and amount of refrigerant and oil, according to vehicle specifications.
- Leak Test: Perform a thorough leak test using an electronic leak detector or UV dye to ensure all connections are sealed.
- Functionality Check: Start the engine and test the A/C system for proper operation and cooling performance.
WARNING: Failure to follow proper A/C service procedures can result in serious injury, system damage, or environmental harm.
Operating Principles
The A/C discharge hose is a high-pressure line that carries hot, compressed refrigerant gas from the A/C compressor to the condenser. In the condenser, the hot gas dissipates heat to the ambient air and condenses into a high-pressure liquid. A properly functioning discharge hose is crucial for maintaining the integrity of the A/C system's sealed environment and ensuring efficient heat transfer, which directly impacts the cooling capability of your vehicle's air conditioning.
Maintenance
While the A/C discharge hose itself requires minimal routine maintenance, periodic inspection of the entire A/C system is recommended to ensure longevity and optimal performance.
- Visual Inspection: Regularly inspect the hose for signs of wear, cracks, chafing, bulges, or leaks (often indicated by oily residue).
- Connection Integrity: Check the hose connections at the compressor and condenser for tightness and any visible signs of refrigerant leaks.
- System Performance: If you notice a decrease in A/C cooling performance, unusual noises, or a refrigerant odor, have your A/C system inspected by a qualified technician promptly.
- Cleaning: Keep the exterior of the hose clean from dirt and debris, which can accelerate material degradation and wear.
Troubleshooting
If you experience issues with your vehicle's A/C system, consider the following common problems and recommended actions:
| Symptom | Possible Cause | Recommended Action |
|---|---|---|
| Poor A/C Cooling | Refrigerant leak from hose, low refrigerant level, compressor issue. | Have the A/C system inspected and leak-tested by a professional. |
| Hissing or Gurgling Sound | Air or moisture in the system, low refrigerant. | Professional A/C system evacuation and recharge. |
| Oily Residue on Hose | Refrigerant leak (refrigerant oil often leaks with refrigerant). | Inspect hose for damage, replace if necessary, and have system serviced. |
For any persistent or complex issues, always consult a certified automotive technician.
Product Specifications
- Part Number: DB5Z-19972-E
- Manufacturer Part Number: DB5Z19972EFordEDBC
- Brand: Ford
- Fitment Type: Direct Replacement
- Material: Plastic, Rubber
- Item Weight: Approximately 14.9 ounces (0.93 lbs)
- Category: HVAC, Air Conditioning, Discharge Hoses
- OEM Part Number: DB5Z-19972-E
- Compatible Model: Ford Police Interceptor Utility
Warranty Information
As a genuine Ford OEM part, this product is typically covered by Ford's standard parts warranty. Warranty terms and duration may vary based on the region and date of purchase. Please retain your proof of purchase for any warranty claims. For specific warranty details, please refer to the official Ford warranty documentation provided with your vehicle or contact an authorized Ford dealership.
Support and Contact
For technical support, installation assistance, or warranty inquiries regarding your Ford DB5Z-19972-E A/C Refrigerant Discharge Hose, please contact an authorized Ford service center or a certified automotive technician. They possess the specialized knowledge and tools required for proper diagnosis and service.
You can find more information on genuine Ford parts and service at the official Ford website or by visiting your local Ford dealership.





