Four Seasons 55918 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55918

The Four Seasons Hose Assembly 55918 is designed specifically for the HVAC system of Scion xA and xB 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 P-nut fitting on one end and a dual o-ring on the other
• Compatible with R134-a refrigerant systems
• Includes gasket, fittings, and a muffler for noise reduction
• Designed as an OEM replacement suction line without a bracket or switch port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies for automotive HVAC systems. These assemblies are engineered to meet original equipment specifications, offering components such as fittings, gaskets, and mufflers integrated into a single unit. The 55918 part exemplifies this approach by combining essential features for efficient refrigerant suction line operation in Scion vehicles.

Detailed Product Description

This A/C refrigerant suction hose assembly (part number 55918) is constructed with a combination of aluminum and rubber to balance durability and flexibility. It is designed for low-pressure refrigerant flow in R134-a systems, making it suitable for the Scion xA and xB models. The hose features a P-nut fitting on one end and a dual o-ring on the other, ensuring secure connections and preventing leaks. Included with the assembly are three green o-rings (part number 24681), a gasket, and necessary fittings to facilitate installation. The hose also incorporates a muffler to reduce operational noise. This part is an OEM replacement, maintaining factory specifications without including a bracket or switch port.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in Scion xA and xB
• Resolving refrigerant leaks caused by deteriorated fittings or seals
• Eliminating low-pressure system failures due to compromised suction lines
• Reducing A/C system noise with integrated muffler
• Restoring proper refrigerant flow for efficient air conditioning performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55918, ensure all fittings and o-rings are properly seated to prevent leaks. The included gasket and fittings should be used as supplied. Since this assembly does not include a bracket or switch port, verify compatibility with your vehicle’s existing mounting points and sensors. Proper torque on the P-nut fitting is essential to maintain a secure connection. It is recommended to evacuate and recharge the A/C system following installation to ensure optimal performance.

Quality Assurance and Warranty

Four Seasons manufactures the Hose Assembly 55918 to meet or exceed OEM standards for fit, form, and function. This part is an exact replacement for the original suction line in Scion xA and xB models. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Refer to the manufacturer’s documentation for complete warranty information.