Four Seasons 55017 A/C Refrigerant Suction Hose

Four Seasons 55017 A/C Suction Hose

Four Seasons 55017 is an OE replacement A/C refrigerant suction hose assembly for low-pressure HVAC service. Built with aluminum and rubber construction, it is specified for R134-A systems and includes the required seals, fittings, and service port details for the listed Mazda 6 applications.

This hose assembly is a direct-fit HVAC replacement for 2003-2008 Mazda 6 models. It is a Four Seasons Hose Assembly product line component, made for suction-line service where the refrigerant return path must maintain proper sealing and routing.

Key Features

• Part number 55017 A/C refrigerant suction hose assembly
• Aluminum / rubber construction for HVAC routing and flexibility
• Low-pressure suction line for R134-A systems
• P-nut fitting on end 1 and block connection on end 2
• Service port included with M9 x 1.0 switch port
• OE replacement design for factory-style fitment
• Green O-rings and seals included

Detailed Description

Four Seasons 55017 is an A/C refrigerant suction hose assembly engineered for the low-pressure side of the HVAC system. It uses an aluminum and rubber hose construction with a P-nut fitting at one end and a block connection at the other, matching the listed Mazda 6 suction line applications. The assembly is specified for R134-A refrigerant and includes the service port configuration shown in the product data.

For fitment-focused searches, this part is a direct replacement for 2003-2005 Mazda 6 suction line service and 2006-2008 Mazda 6 A/C refrigerant suction hose applications. The Four Seasons 55017 part number is also referenced in aftermarket interchange listings for the same application.

This part cross-references UAC (e.g., HA11216C) for the same application.

What It Helps Fix

• Low-side A/C refrigerant leakage at the suction hose assembly
• Cracked, worn, or deteriorated HVAC hose material
• Improper sealing at the block or P-nut connection points
• Loss of refrigerant flow in the suction line
• Service port or switch-port related replacement needs on the listed Mazda 6 models

Installation Notes and Tips

Verify the vehicle’s refrigerant type, hose routing, and connection style before installation. This Four Seasons 55017 hose assembly is listed with a service port and without a switch included, so confirm the existing HVAC layout matches the part before removal. Replace the sealing surfaces carefully and inspect the mating components for wear, corrosion, or contamination before reassembly.

Compatible With 2003-2005 Mazda 6 and 2006-2008 Mazda 6 suction line applications. Confirm the exact year and HVAC configuration against the vehicle before ordering.

Quality Assurance

Four Seasons supplies OE replacement HVAC components built to match factory-style fitment and system requirements for the listed application. Part number 55017 is specified as an OE replacement suction hose assembly for Mazda 6 HVAC service.