Four Seasons 65811 A/C Refrigerant Suction Hose - Front

Four Seasons 65811 A/C Suction Hose

Four Seasons 65811 is an A/C refrigerant suction hose assembly built for the front HVAC system on select Toyota Highlander models. It uses an aluminum and rubber construction with a flange end and P-nut fitting for a direct-style replacement in R134A systems.

Compatible with 2008-2010 Toyota Highlander front applications, this hose assembly is a practical choice when servicing a leaking, damaged, or restricted suction line. Four Seasons hose assemblies are engineered and tested for dependable operation, drawing on more than 50 years of mobile A/C experience.

Key Features

• Part number: 65811
• Brand: Four Seasons Hose Assembly
• Part type: A/C refrigerant suction hose
• Material: aluminum / rubber
• End 1 type: flange
• End 2 type: P-nut fitting
• Refrigerant type: R134A
• Service port included
• Gasket or seal included
• O-ring A number/description: 24150 / O-Ring
• Bracket: w/o bracket
• Muffler: w/o muffler

Product Details

Four Seasons 65811 is a replacement suction hose assembly for the front HVAC circuit on Toyota Highlander vehicles listed below. It is built to match the original hose routing and connection style for R134A air conditioning systems, helping restore proper refrigerant flow between A/C components. This part cross-references UAC HA112319C for the same application.

The Four Seasons hose assembly line focuses on service-ready HVAC components that are engineered and tested for long-term use. For buyers searching for a Toyota Highlander A/C suction hose, Toyota Highlander front A/C hose assembly, or 2008-2010 Toyota Highlander refrigerant suction line replacement, part number 65811 is the direct reference to compare.

What It Is Used For

• Replacing a leaking front A/C suction hose on a Toyota Highlander
• Restoring refrigerant transfer in an R134A air conditioning system
• Addressing cracked, worn, or damaged hose sections
• Correcting A/C performance issues caused by suction line restriction
• Servicing a front HVAC hose assembly on 2008-2010 Toyota Highlander models

Installation Notes and Tips

Verify the vehicle’s A/C layout before ordering, since this hose is for front applications on Highlander models without rear A/C in the listed years. Confirm flange and P-nut fitting locations, and replace the included seals and O-rings during installation to help maintain a proper refrigerant seal. Evacuate and recharge the system according to factory service procedures after installation.

Quality Assurance

Four Seasons backs this hose assembly with engineering and testing focused on reliable, trouble-free operation. The brand draws on more than 50 years of mobile A/C experience, and part number 65811 is built as a service replacement for the specified Toyota Highlander applications.