Four Seasons 54722 A/C Evaporator Core

Four Seasons 54722 A/C Evaporator Core

Four Seasons 54722 is an aluminum plate-and-fin A/C evaporator core built for HVAC service on select Geo Storm and Isuzu applications. With a core width of 9-1/4 inches, core height of 8-3/4 inches, and core depth of 2-15/16 inches, it is sized for direct-fit replacement work in the evaporator case.

This Four Seasons Evaporator Core line focuses on accurate fitment and OE-style service dimensions. The 54722 evaporator core uses flange-style inlet and outlet fittings, with No. 8 inlet and No. 10 outlet outside diameters, plus green O-ring sealing points referenced as 24608 and 24610.

Key Features

• Aluminum plate-and-fin evaporator core construction
• Core dimensions: 9-1/4 in. wide, 8-3/4 in. high, 2-15/16 in. deep
• Flange inlet and outlet fittings for HVAC connection
• No. 8 inlet fitting outside diameter and No. 10 outlet fitting outside diameter
• Four Seasons 54722 replacement evaporator core for select compact vehicles
• Cross-reference part numbers include 156909 and EV4230PFC for the same application

Detailed Description

Four Seasons 54722 is an A/C evaporator core used in the vehicle HVAC system to transfer heat from the cabin air stream as refrigerant flows through the core. The aluminum plate-and-fin design supports efficient thermal exchange in a compact package, while the listed dimensions and flange fittings help match the original evaporator housing and refrigerant connections. This part number is listed for 1992-1993 Geo Storm, 1990-1992 Isuzu Impulse, and 1991-1992 Isuzu Stylus applications.

For buyers searching for a Geo Storm evaporator core, Isuzu Impulse A/C evaporator core, or Isuzu Stylus HVAC evaporator replacement, Four Seasons 54722 provides a direct-reference option based on the published fitment and dimensions.

Common Repair Uses

• Restores cabin cooling performance when the original evaporator core is leaking
• Addresses weak or inconsistent A/C output in the HVAC system
• Replaces a corroded or damaged evaporator core in the dash HVAC case
• Helps correct refrigerant loss traced to the evaporator assembly
• Supports repair of restricted airflow through a contaminated core

Installation Notes

Verify core width, height, depth, and flange orientation before installation. Inspect the HVAC case, expansion valve area, and sealing surfaces for debris or corrosion before reassembly. Replace the O-ring seals at the refrigerant connections and evacuate and recharge the system according to the vehicle service procedure after installation. Confirm fitment for the exact year and model listed before ordering, especially on Geo Storm and Isuzu Impulse or Stylus applications.

Quality Assurance

Four Seasons supplies HVAC replacement components with application-specific dimensions and fitment data for service use. Part number 54722 is cataloged as a Four Seasons Evaporator Core for the listed vehicle applications.