Four Seasons 66190 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66190

The Four Seasons Hose Assembly 66190 is designed specifically for the HVAC system of Ram ProMaster 1500, 2500, and 3500 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

• Constructed from durable aluminum and rubber materials
• Features a male o-ring on one end and a P-nut fitting on the other
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and a slim line sealing washer (O-ring 24401)
• Equipped with a 13 mm low side service port for easy maintenance
• OE replacement part designed for direct fit and function

Detailed Product Description

The Four Seasons Hose Assembly 66190 belongs to the Hose Assembly product line, which focuses on delivering precise and reliable hose and pipe solutions for automotive HVAC systems. This particular suction line is engineered to handle low-pressure refrigerant flow within the air conditioning system of Ram ProMaster vans. Its aluminum and rubber construction provides durability and flexibility, while the included fittings and gasket ensure a secure, leak-free connection. The hose features a male o-ring on one end and a P-nut fitting on the other, designed to match OEM specifications for seamless installation.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Ram ProMaster 1500, 2500, and 3500
• Resolving low refrigerant pressure issues affecting air conditioning performance
• Fixing leaks caused by deteriorated seals or fittings in the suction line
• Restoring proper refrigerant flow to prevent compressor damage
• Upgrading OEM hoses with a reliable aftermarket alternative

Installation Notes and Tips

Installation of the Four Seasons Hose Assembly 66190 requires basic HVAC system knowledge and proper tools. Ensure the system is fully evacuated and depressurized before removal of the old hose. The included gasket and fittings should be inspected and replaced as necessary to maintain a tight seal. The 13 mm low side service port allows for convenient refrigerant charging and system diagnostics. Verify compatibility with Ram ProMaster 1500, 2500, or 3500 models prior to installation.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The Hose Assembly 66190 is an exact OE replacement part, ensuring proper fit and function. This product includes all necessary fittings and seals for installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.