Universal Air HT398275C HVAC Heater Core

Heater Core for Mazda Compact Models

Universal Air HT398275C is an aluminum HVAC heater core for select Mazda applications. It is built for direct-fit replacement service in 1990-1995 Mazda 323, 1990-1995 Mazda Protege, and 1992-1996 Mazda MX-3 models.

Key Features

• Aluminum heater core construction
• HVAC heater core replacement for cabin heat restoration
• Fits Mazda 323, Mazda Protege, and Mazda MX-3 applications
• Part number HT398275C for ordering and catalog lookup
• Universal Air Heater Core Aluminum product line

Product Details

The Universal Air Heater Core Aluminum line focuses on replacement HVAC core service for vehicles that need dependable cabin heat transfer. This HT398275C heater core is listed for 1990-1995 Mazda 323, 1990-1995 Mazda Protege, and 1992-1996 Mazda MX-3, making it a fitment-based solution for owners searching for a Mazda 323 heater core, Mazda Protege heater core, or Mazda MX-3 heater core. Use part number HT398275C when matching the correct HVAC heater core for these applications.

Common Uses

• Restores heat output when the original core is restricted or leaking
• Addresses coolant odor or moisture inside the cabin from heater core failure
• Replaces a corroded or damaged HVAC heater core
• Supports repair of uneven or weak defrost and cabin heat performance

Installation Notes

Verify vehicle year and model before installation. Confirm the HVAC case configuration and compare the original core dimensions and hose connections to the removed unit. Flush the cooling system and inspect related hoses, clamps, and seals before reassembly to reduce repeat contamination in the new core.

Quality Assurance

Universal Air heater core components are cataloged for specific vehicle applications to support accurate replacement selection. Confirm fitment against the vehicle listing and reference HT398275C during parts lookup.