Four Seasons 38728 A/C Expansion Valve

Four Seasons 38728 Expansion Valve Overview

The Four Seasons 38728 expansion valve is a brass TXV for R134A air conditioning systems. It regulates refrigerant flow into the evaporator and maintains a 12.0 super heat setting for stable HVAC performance in the right application.

For drivers searching for a Four Seasons expansion valve for HVAC > A/C Flow Restrictors, this part number 38728 is a direct-fit style service component for R134A systems. It is commonly referenced in automotive A/C repair searches for Honda Civic and similar vehicle applications where precise refrigerant metering is required.

Key Features

• Brand: Four Seasons Expansion Valve
• Part number: 38728
• TXV design for controlled refrigerant metering
• Brass construction
• Refrigerant type: R134A
• Super heat setting: 12.0
• Category: HVAC > A/C Flow Restrictors

Product Details

The Four Seasons 38728 expansion valve is built for automotive A/C systems that use R134A refrigerant and a thermostatic expansion valve layout. As part of the Four Seasons Expansion Valve line, it is specified to manage refrigerant delivery into the evaporator so the HVAC system can maintain proper cooling balance. If you are replacing a worn A/C expansion valve on a Honda Civic or sourcing a Four Seasons 38728 replacement for another listed application, this component is identified by its brass body and 12.0 super heat specification.

This part cross-references UAC EX6069C for the same application.

What It Helps Address

• Inconsistent cabin cooling from improper refrigerant flow
• Evaporator performance issues caused by a sticking TXV
• A/C system imbalance related to incorrect super heat control
• Service replacement needs for R134A HVAC systems
• Repair searches for Four Seasons 38728 and related Honda Civic A/C parts

Installation Notes and Tips

Verify the refrigerant type, valve style, and super heat specification before installation. Confirm the vehicle’s A/C system uses an R134A TXV configuration and compare the original part number, including 38728, against the removed component. Proper evacuation, leak checking, and system recharge procedures should be followed after replacement.

Quality Assurance

Four Seasons is a recognized automotive HVAC brand, and this expansion valve is cataloged with defined material and refrigerant specifications for service accuracy. Match the part to the vehicle’s original A/C configuration and reference the part number 38728 during ordering and verification.