APDI 9010257 HVAC Heater Core

APDI 9010257 Heater Core for GM Applications

The APDI 9010257 heater core is a direct-fit HVAC heater core built with aluminum construction for GM applications. It is specified with aluminum core and tank materials, 3/4-inch inlet and outlet pipe diameters, and compact core dimensions for service replacement in the heating system.

Key Features

• APDI Heater Core, part number 9010257
• Aluminum core construction and aluminum tank material
• Core height: 6-3/8 in.
• Core width: 7-1/2 in.
• Core thickness: 1 in.
• 3/4 in. inlet pipe diameter and 3/4 in. outlet pipe diameter
• HVAC heater core for GM heater system service

Product Details

APDI 9010257 is an HVAC heater core for GM vehicles, built to match the dimensions and connection sizes needed for heater circuit service. The aluminum construction supports efficient heat transfer, while the aluminum tank and core materials provide a lightweight, corrosion-resistant design for the heating system. This heater core is listed for 1995-2005 Chevrolet Cavalier and 1995-2005 Pontiac Sunfire applications, making it a fitment-based replacement for common GM compact car heater repairs. This part cross-references Four Seasons 90761 for the same application.

Common Repair Symptoms

• Loss of cabin heat in the Chevrolet Cavalier or Pontiac Sunfire
• Coolant odor inside the vehicle
• Fogging or film on the windshield from heater core leakage
• Coolant seepage under the dash
• Restricted heater performance from a clogged or leaking core

Installation Notes and Tips

Verify inlet and outlet pipe diameter, core dimensions, and vehicle fitment before installation. On 1995-2005 Chevrolet Cavalier and 1995-2005 Pontiac Sunfire models, confirm the HVAC case configuration and inspect hoses, clamps, and coolant condition during heater core replacement. Proper system flushing and air bleeding after installation help restore heater performance.

Quality Assurance

APDI supplies HVAC replacement components for GM heater applications, and this heater core is built to the listed dimensional and material specifications for service replacement.