Four Seasons 91469 HVAC Heater Core

Four Seasons Heater Core 91469 Overview

The Four Seasons 91469 heater core is a specific-fit aluminum HVAC heater core built to match the listed application dimensions and OE-style requirements. It is made for 1986-1989 Hyundai Excel and 1987-1989 Mitsubishi Precis heater core replacement service.

Four Seasons Heater Core line products focus on direct-fit HVAC replacement parts for heating system repair. This heater core follows the brand line’s specific-fit approach and is sized for the listed vehicle applications, helping restore cabin heat performance when the original core is leaking, restricted, or no longer transferring heat properly.

Key Features

• Part number 91469 heater core for specific-fit HVAC replacement
• Aluminum core material for efficient heat transfer
• Dimensions: 6-1/4 in. length, 6-3/8 in. width, 1-3/4 in. thickness
• Core height 6.250 in., core width 6.375 in., core depth 1.750 in.
• Tube size: 0.750 in. / 19.050 mm on both connections
• Meets or exceeds OEM requirements
• Specific fit design with no adjustable pipe positioning

Detailed Description

The Four Seasons 91469 HVAC heater core is an aluminum heater core engineered for direct replacement in the heating system. Its specific-fit construction and listed tube dimensions support proper alignment in the vehicle HVAC case, while the aluminum core material helps transfer heat from engine coolant into the cabin air stream. This part cross-references Anchor 2635 for the same application.

Fits 1986-1989 Hyundai Excel, heater core. Fits 1987-1989 Mitsubishi Precis, heater core. Use this heater core when servicing a leaking, clogged, or heat-restricted unit in these applications. The part number 91469 is also referenced in interchange listings for related replacement searches, including Four Seasons 26832 and 91469.

Common Repair Uses

• Restores weak or uneven cabin heat
• Replaces a heater core with coolant leakage
• Addresses restricted coolant flow through the HVAC core
• Helps correct fogging or sweet coolant odor caused by a failing core
• Supports repair of an inoperative heater output in the listed Hyundai Excel and Mitsubishi Precis applications

Installation Notes and Tips

Verify the vehicle year, make, and model before installation. Compare the existing core dimensions, tube size, and pipe orientation to the listed specifications for part number 91469. Because this is a specific-fit heater core with no adjustable pipe positioning, confirm the HVAC case layout and connection points before reassembly. Proper coolant draining, system flushing, and leak checking after installation help protect the replacement core and the rest of the heating system.

Quality Assurance

This Four Seasons heater core is listed as meeting or exceeding OEM requirements and is built as a direct-fit aluminum replacement for the specified applications. The part number 91469 is intended for accurate HVAC service on the listed Hyundai Excel and Mitsubishi Precis vehicles.