Four Seasons 55317 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 55317 A/C Hose Assembly

The Four Seasons 55317 hose assembly is an OE replacement A/C refrigerant discharge and suction line for select Ford and Mercury applications. Built with aluminum and rubber construction, it is made for R134a systems and includes the required seals and bracket details for a direct-service replacement.

Key Features

• Part number: 55317
• Brand line: Four Seasons Hose Assembly
• Discharge and suction line assembly for HVAC service
• Aluminum / rubber construction
• R134a refrigerant type
• Captive O-ring discharge end with P-nut fitting
• Male springlock suction end
• Manifold included
• Bracket included
• O-rings included
• OE replacement design
• Fits Ford Explorer and Mercury Mountaineer applications

Product Details

Four Seasons 55317 is a hose assembly in the Four Seasons Hose Assembly line, built for A/C refrigerant discharge and suction service. It uses aluminum and rubber materials, includes a switch service port provision, and is configured for R134a systems with a quick-disconnect service port type. The assembly uses a captive O-ring discharge end, a male springlock suction end, and includes the necessary O-rings and bracket details for the listed applications. This part cross-references Gates 51554 for the same application.

Fits 1996-2001 Ford Explorer, N/A. Fits 1997-2001 Mercury Mountaineer, N/A. This 55317 hose assembly is listed for these vehicle applications and should be matched to the original line style and connection points before installation.

Common Repair Uses

• Leaking or damaged A/C refrigerant hose assembly
• Cracked or worn discharge and suction line connections
• Loss of refrigerant pressure in the HVAC system
• Corrosion or deterioration at hose and fitting interfaces
• Service replacement for an OE-style A/C line on Ford Explorer or Mercury Mountaineer

Installation Notes

Verify the discharge end, suction end, service port style, and bracket configuration against the original part before installation. Replace any disturbed seals with the included O-rings, and confirm the system is evacuated, leak-checked, and charged with the correct R134a refrigerant specification after service. Because this assembly is listed without fittings included, reuse or source any vehicle-specific connection components as required by the application.

Quality Assurance

Four Seasons is an established HVAC parts brand with OE replacement coverage across common service applications. Part number 55317 is built to match the listed hose assembly configuration for Ford Explorer and Mercury Mountaineer fitments.