Four Seasons 56978 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 56978

The Four Seasons Hose Assembly 56978 is designed specifically for Jeep TJ and Wrangler models, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134-a systems.

• Constructed from aluminum and rubber for durability and flexibility
• Features a male p-nut suction end and capture o-ring connection
• Includes sealing washer kits with multiple O-rings for secure sealing
• Equipped with a switch service port (M12 x 1.5 thread size) without the switch included
• Compatible with low-pressure A/C refrigerant suction lines using R134-a refrigerant
• OE replacement part designed to meet original equipment specifications

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is a direct OE replacement part tailored for Jeep TJ and Wrangler vehicles. The assembly combines aluminum and rubber materials to withstand the demands of the A/C system's low-pressure side. It features a male p-nut suction end and a capture o-ring on the opposite end, ensuring a tight, leak-free connection. The included sealing washer kit contains three O-rings ([24344], [24346], and [24676]) to maintain system integrity and prevent refrigerant loss. The hose assembly also incorporates a switch service port with an M12 x 1.5 thread size, allowing for easy integration with compatible A/C system switches, although the switch itself is not included. This part is designed without a bracket or muffler, focusing on essential functionality and fitment.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant suction hoses on Jeep TJ and Wrangler models
• Resolution of low refrigerant pressure due to hose damage or seal failure
• Elimination of refrigerant leaks caused by degraded O-rings or fittings
• Restoration of proper A/C system performance and efficiency
• Repair of suction line issues affecting cooling capacity in R134-a systems

Installation Notes and Tips

• Ensure compatibility with Jeep TJ and Wrangler models before installation
• Inspect and replace all included O-rings to guarantee a proper seal
• Use appropriate tools to tighten the male p-nut and capture o-ring fittings without over-torquing
• Verify the switch service port thread size (M12 x 1.5) matches the vehicle’s switch requirements
• Check for any signs of damage or wear on adjacent components during installation

Quality Assurance and Warranty

Four Seasons Hose Assembly 56978 is manufactured to meet or exceed original equipment standards, ensuring reliable performance in Jeep TJ and Wrangler A/C systems. The part includes all necessary fittings and sealing components for a complete installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Users should consult product documentation or the manufacturer for exact warranty terms.