Four Seasons 38884 A/C Expansion Valve - Front

Four Seasons 38884 Expansion Valve Overview

Four Seasons 38884 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and OE-style fitment details for service on select Toyota, Lexus, Suzuki, Hyundai, Isuzu, Geo, Mitsubishi, and Volkswagen applications. It is a direct replacement choice for restoring refrigerant control in vehicles such as the Toyota Tacoma, Toyota Camry, and Lexus ES300.

Key Features

• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with gold finish
• Fits OE-style FIO insert O-ring connections
• Female suction and liquid fittings with no threaded connection design
• Super heat setting: 8.000
• Meets or exceeds OEM requirements
• Compatible with select Toyota Tacoma, Toyota Corolla, Toyota 4Runner, and Lexus ES300 applications

Product Details

Four Seasons Expansion Valve line parts are built for precise refrigerant metering in automotive HVAC systems. Part number 38884 uses a block-style layout with female inlet and outlet fittings, making it a practical replacement for vehicles that rely on stable evaporator feed control. This valve is listed for a broad range of applications, including 1994-2002 Toyota 4Runner, 1994-2001 Toyota Camry, 1996-2000 Toyota RAV4, 2000-2002 Toyota Tundra, and 2001 Lexus ES300, along with additional fitments across Toyota, Lexus, and related platforms.

This part cross-references Gates 34048 and UAC EX10131C for the same application.

What This Part Helps Address

• Warm air from the vents caused by poor refrigerant metering
• Erratic cabin cooling in Toyota and Lexus A/C systems
• Restricted or uneven refrigerant flow through the evaporator circuit
• HVAC performance issues tied to a worn or sticking expansion valve
• Service replacement needs on R134A-equipped vehicles

Installation Notes and Tips

Verify the vehicle’s refrigerant type, fitting style, and model-year application before installation. This valve uses FIO insert O-ring connections and a block-type configuration, so matching the original layout is important for proper sealing and system operation. After installation, evacuate and recharge the A/C system according to factory service procedures and confirm correct superheat performance.

Quality Assurance

Four Seasons 38884 is specified as meeting or exceeding OEM requirements for the listed applications. Its OE-style construction and application coverage support accurate replacement service for compatible Toyota, Lexus, Suzuki, Hyundai, Isuzu, Geo, Mitsubishi, and Volkswagen vehicles.