APDI 9010242 HVAC Heater Core

APDI 9010242 Heater Core for GM Applications

The APDI 9010242 heater core is a copper-brass replacement built for GM heater systems that need reliable cabin heat and stable coolant flow through the HVAC box. It is a direct-fit heater core for select Geo Storm, Isuzu Stylus, and Isuzu Impulse models.

Key Features

• V-cell construction for efficient heat transfer
• Copper-brass core material with brass tanks
• Core dimensions: 6-1/4 in. height, 6-1/2 in. width, 1-3/4 in. thickness
• 3/4 in. inlet pipe diameter
• 3/4 in. outlet pipe diameter
• APDI heater core part number 9010242

Product Details

APDI Heater Core 9010242 is built with a copper-brass core and brass tank construction to match the thermal demands of the HVAC system. The V-cell design supports heat exchange in a compact package, while the listed inlet and outlet pipe diameters help confirm fitment before installation. This heater core is listed for 1990-1993 Geo Storm, 1991-1993 Isuzu Stylus, and 1990-1992 Isuzu Impulse applications.

The APDI Heater Core line focuses on replacement HVAC core components for vehicle heating systems. For buyers searching for a heater core for Geo Storm or an Isuzu Impulse heater core replacement, part number 9010242 provides a cataloged option with the correct size and connection specifications.

This part cross-references Four Seasons 90772 for the same application.

Used For

• No cabin heat from the HVAC system
• Coolant leakage inside the heater box
• Restricted heater performance from a damaged core
• Incorrect fit when replacing a worn Geo Storm or Isuzu heater core
• Restoring heat output in 1990-1993 Geo Storm and 1990-1992 Isuzu Impulse models

Installation Notes

Verify core height, width, thickness, and 3/4 in. inlet and outlet pipe sizes before installation. Drain the cooling system, remove the HVAC case access components, and inspect hoses and seals for wear while replacing the core. Confirm vehicle application by year and model, especially for 1990-1993 Geo Storm, 1991-1993 Isuzu Stylus, and 1990-1992 Isuzu Impulse.

Quality Assurance

APDI catalogs this heater core as a replacement HVAC component for GM-related applications. Part number 9010242 is specified with copper-brass and brass construction details to support accurate parts matching during service.