Four Seasons 92007 HVAC Heater Core - Front

Four Seasons 92007 Heater Core Overview

Four Seasons Heater Core 92007 is an aluminum HVAC heater core built for direct replacement in select GM vehicles. It measures 10 inches long, 5-1/2 inches wide, and 1-3/8 inches thick, with tube sizes of 0.625 in and 0.750 in for a precise service fit.

Compatible with applications such as the Chevrolet Uplander, Pontiac Montana, Buick Rendezvous, Buick Terraza, Saturn Relay, Pontiac Aztek, and Oldsmobile Silhouette, this heater core supports cabin heat restoration in front HVAC systems and other listed positions.

Key Features

• Brand: Four Seasons Heater Core line
• Part number: 92007
• Aluminum core construction
• Core dimensions: 10 in. height, 5-1/2 in. width, 1-3/8 in. depth
• Tube sizes: 0.625 in. and 0.750 in.
• Meets or exceeds OEM requirements
• Direct replacement style for listed applications

Product Details

Four Seasons 92007 is an aluminum heater core designed for HVAC service where the original core has restricted coolant flow, leakage, or reduced heat transfer. The Four Seasons Heater Core product line focuses on replacement components that match the listed dimensions and connection sizes needed for proper fitment. This part cross-references Dorman - HELP 91007 and UAC HT2110C for the same application.

Use this heater core on 2005-2009 Chevrolet Uplander, front; 2005-2009 Pontiac Montana, front; 2002-2007 Buick Rendezvous; 2005-2007 Buick Terraza, front; 2005-2007 Saturn Relay, front; 2001-2005 Pontiac Aztek; 2001-2005 Pontiac Montana, front; and 2001-2004 Oldsmobile Silhouette, front. The 92007 part number is also referenced in aftermarket catalogs for these vehicle-specific HVAC repairs.

Common Problems This Part Can Address

• Loss of cabin heat from a leaking or clogged heater core
• Coolant odor inside the vehicle from heater core seepage
• Fogging or film on interior glass caused by HVAC coolant leakage
• Uneven or weak heat output from restricted coolant passage flow
• HVAC service replacement after core corrosion or internal blockage

Installation Notes and Tips

Verify the core dimensions, tube diameters, and vehicle fitment before installation. Confirm the HVAC case configuration and line routing on the vehicle, especially on front-mounted applications such as the Chevrolet Uplander and Pontiac Montana. Flush the cooling system and inspect hoses, seals, and clamps during heater core replacement to help prevent repeat contamination.

Quality Assurance

This Four Seasons heater core meets or exceeds OEM requirements and is built with aluminum construction for replacement service in the listed applications. Part number 92007 is specified for fitment-based HVAC repair on select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models.