Four Seasons 66901 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Jeep Commander and Grand Cherokee

The Four Seasons Hose Assembly 66901 is designed to maintain efficient air conditioning performance in Jeep Commander and Grand Cherokee models. Constructed with durable aluminum and rubber materials, this A/C refrigerant suction hose ensures proper refrigerant flow and system integrity.

• Material: Aluminum and rubber for durability and flexibility
• End 1 Type: Flange connection for secure attachment
• End 2 Type: P-nut fitting for reliable sealing
• Refrigerant Type: Compatible with R134a refrigerant
• Includes gasket and slim line sealing washers (O-Rings 24404 and 24255)
• Service port included for maintenance access
• Designed without bracket and muffler

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems in vehicles. This product line emphasizes precise fitment and material compatibility to ensure optimal refrigerant flow and system reliability. The 66901 hose assembly is part of this line, engineered specifically for Jeep models requiring durable and efficient A/C suction hoses.

Product Details and Specifications

The Four Seasons 66901 A/C refrigerant suction hose features a combination of aluminum and rubber materials that balance strength and flexibility, essential for withstanding the pressures and temperatures within the HVAC system. The flange end and P-nut fitting provide secure connections to prevent leaks. This hose is designed for use with R134a refrigerant, the standard for many modern vehicles. Included slim line sealing washers (O-Rings 24404 and 24255) and a gasket ensure a tight seal, reducing the risk of refrigerant loss. The hose assembly does not include a bracket or muffler, focusing solely on the hose and fittings for direct replacement needs.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Jeep Commander and Grand Cherokee
• Resolving refrigerant leaks caused by cracked or degraded hose materials
• Improving A/C system efficiency by restoring proper refrigerant flow
• Addressing connection failures due to faulty fittings or seals
• Maintaining system integrity during routine HVAC maintenance

Installation Notes and Tips

When installing the Four Seasons 66901 hose assembly, ensure all old seals and O-rings are removed and replaced with the included slim line sealing washers and gasket. Verify compatibility with the vehicle’s R134a refrigerant system. Proper torque on flange and P-nut fittings is essential to prevent leaks. Since this hose assembly does not include a bracket or muffler, reuse existing mounting hardware if applicable. Professional installation is recommended to maintain system performance and safety.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards for HVAC components. The 66901 hose assembly undergoes rigorous quality control to ensure durability and fitment accuracy for Jeep Commander and Grand Cherokee models. Warranty information is available through Four Seasons and typically covers defects in material and workmanship under normal use conditions.