Four Seasons 92051 HVAC Heater Core

Heater Core for Nissan Murano

Restore cabin heat performance with this Four Seasons Heater Core, part number 92051. Built with an aluminum core and OE-style dimensions, it is made for direct replacement service on the 2003-2007 Nissan Murano heater system.

The Four Seasons Heater Core line focuses on replacement HVAC components that match the original application requirements. This aluminum heater core measures 7-1/2 inches long, 6-1/2 inches wide, and 1 inch thick, with 0.750-inch tubes and a fixed pipe position for straightforward fitment in the intended vehicle platform.

Key Features

• Four Seasons Heater Core, part number 92051
• Fits 2003-2007 Nissan Murano, heater core position
• Aluminum core material for efficient heat transfer
• OE-style dimensions: 7-1/2 in. length, 6-1/2 in. width, 1 in. thickness
• 0.750 in. inlet/outlet tube sizing
• Meets or exceeds OEM requirements
• Fixed pipe positioning for application-specific installation

Detailed Description

This Four Seasons 92051 heater core is an aluminum HVAC heater core built for the 2003-2007 Nissan Murano. It is sized to match the original heater core envelope and uses aluminum construction to support heat exchange inside the vehicle’s climate control system. If you are replacing a leaking, restricted, or inefficient heater core, this unit provides a direct-fit service part for the Murano platform.

This part cross-references Dorman - HELP 92051 for the same application.

What It Helps Fix

• Weak or inconsistent cabin heat
• Coolant odor inside the passenger compartment
• Interior fogging caused by heater core leakage
• Loss of heater performance from internal blockage
• Coolant seepage at the HVAC core assembly

Installation Notes and Tips

Verify the vehicle is a 2003-2007 Nissan Murano before ordering. Confirm tube orientation, core dimensions, and HVAC housing condition during removal so the replacement heater core seats correctly. Flush the cooling system if contamination or debris contributed to the original failure, and inspect hoses, clamps, and seals before reassembly.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements. The aluminum construction and application-specific sizing support reliable replacement service for the Murano heating system.