Four Seasons 66000 A/C Refrigerant Suction Hose

Four Seasons A/C Suction Hose Assembly

Four Seasons 66000 is an A/C refrigerant suction hose assembly built with aluminum and rubber construction for dependable refrigerant transfer. It is configured for R134A and R1234YF systems and includes the gasket or seal needed for the connection point.

Compatible with 2006 Lexus GS300 and 2007-2009 Lexus GS350 suction line applications, this hose assembly is a direct-fit service part for the vehicle’s HVAC refrigerant circuit. Four Seasons 66000 is also listed as a cross-reference to Dorman - Autograde 66000 for the same application.

Key Features

• Part number 66000 A/C refrigerant suction hose assembly
• Aluminum / rubber construction for HVAC service use
• Supports R134A and R1234YF refrigerant systems
• Includes gasket or seal
• Built with muffler
• No service port included
• No switch service port and no bracket

Product Details

This Four Seasons hose assembly is engineered for the suction side of the air conditioning system, where refrigerant returns to the compressor. The aluminum and rubber design helps match OE-style routing and connection requirements, while the included seal supports proper sealing at installation. For Lexus GS300 and Lexus GS350 HVAC repair work, Four Seasons 66000 provides a focused replacement option for suction line service.

Four Seasons draws on more than 50 years of mobile A/C experience, and its hose assemblies are tested for long-term operation in automotive HVAC systems. If you are replacing a leaking or damaged suction hose on a 2006 Lexus GS300 or a 2007-2009 Lexus GS350, this part number 66000 is built for that exact application.

What It Helps Fix

• Refrigerant loss from a cracked or leaking suction hose
• Damaged hose routing in the A/C refrigerant line
• Noise or vibration issues related to a worn hose assembly
• Seal leakage at the hose connection point
• Poor A/C performance caused by suction-side refrigerant flow problems

Installation Notes

Verify refrigerant type, line routing, and connection points before installation. Replace the sealing surface as needed and inspect adjacent A/C components for wear, contamination, or damage. This hose assembly does not include a service port, switch service port, or bracket.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. Backed by over 50 years of mobile A/C experience, the brand positions this hose assembly as a service part intended to restore proper HVAC function in the specified Lexus applications.