Universal Air HT400015C HVAC Heater Core - Rear

Rear Heater Core for Toyota Sienna

Universal Air HT400015C is a rear HVAC heater core for select Toyota Sienna models. It is built for direct replacement service in the rear heating circuit, helping restore proper cabin heat output and coolant-to-air heat transfer.

Key Features

• Heater core aluminum construction
• Rear HVAC application
• Direct-fit replacement for select Toyota Sienna models
• Universal Air Heater Core Aluminum product line
• Part number HT400015C for ordering and reference

Fitment Details

Compatible with Fits 2007 Toyota Sienna, Rear and Fits 2004-2005 Toyota Sienna, Rear. This rear heater core is a fitment-based replacement for Toyota Sienna rear HVAC service, including 2004 Toyota Sienna rear heater core replacement, 2005 Toyota Sienna rear heater core replacement, and 2007 Toyota Sienna rear heater core replacement.

What It Helps Address

• Weak or uneven rear cabin heat
• Coolant seepage at the rear heater core assembly
• Restricted heat transfer in the rear HVAC system
• Temperature loss in the rear passenger area

Installation Notes and Tips

Verify the vehicle year and rear-position application before installation. Drain and refill coolant according to service procedures, inspect hoses and seals, and confirm the HVAC system is free of air after installation. Part number HT400015C should be matched to the vehicle’s rear heater core application before service begins.

Quality Assurance

Universal Air’s Heater Core Aluminum line focuses on aluminum heater core construction for HVAC repair applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.