Universal Air HT2111C HVAC Heater Core - Rear

Rear Heater Core for GM Minivans

Universal Air HT2111C is an aluminum HVAC heater core for rear climate control applications on select Chevrolet, Pontiac, Buick, Saturn, and Oldsmobile minivans. It is built for direct replacement service in rear-position heater core locations and supports cabin heat output in vehicles with rear HVAC systems.

Key Features

• Aluminum heater core construction
• Rear HVAC position
• Direct replacement for select GM minivan applications
• Universal Air Heater Core Aluminum product line
• Part number HT2111C for ordering and fitment lookup

Fitment Details

• Fits 2005-2009 Chevrolet Uplander, rear. Notes: Aftermarket style replacement A/C compressor; Heater Core Aluminum.
• Fits 2001-2009 Pontiac Montana, rear.
• Fits 2005-2007 Buick Terraza, rear.
• Fits 2005-2007 Saturn Relay, rear.
• Fits 2001-2004 Oldsmobile Silhouette, rear.

What It Helps Address

• Weak or uneven rear cabin heat
• Cool air from rear vents when heat is selected
• Leaking heater core symptoms in the rear HVAC system
• Restricted coolant flow through the rear heater circuit
• Restoration of rear passenger comfort in GM minivans

Installation Notes

Verify rear HVAC configuration and match the vehicle year, make, and model before installation. HT2111C is listed for rear-position applications only, so confirm the original heater core layout and inspect coolant hoses, seals, and related HVAC components during service. For search and catalog reference, this part number is HT2111C.

Quality Assurance

Universal Air’s Heater Core Aluminum line identifies this unit as an aluminum replacement heater core for the listed rear applications. This part cross-references no additional part numbers in the provided data.