Universal Air HT400030C HVAC Heater Core - Rear

Rear Heater Core for Toyota Sienna

Universal Air HT400030C is a rear HVAC heater core for select Toyota Sienna applications. It is listed for 2011-2015 Toyota Sienna, Rear, Heater Core and 2020 Toyota Sienna, Rear, Heater Core, giving buyers a direct-reference option for rear cabin heat service.

Key Features

• Brand: Universal Air Heater Core line
• Part number: HT400030C
• HVAC heater core for rear position applications
• Fits 2011-2015 Toyota Sienna, Rear
• Fits 2020 Toyota Sienna, Rear
• Direct fitment reference for rear heating system repair

Detailed Description

This Universal Air heater core is cataloged under HVAC > Motors, Core, Case and Related Components and is intended for rear heater service on the Toyota Sienna. If you are replacing a leaking, restricted, or inefficient rear heater core, HT400030C provides a fitment-specific replacement for the listed model years. Search terms such as Toyota Sienna rear heater core, 2011-2015 Toyota Sienna rear heater core, and 2020 Toyota Sienna rear heater core all align with this application.

The Universal Air Heater Core line focuses on HVAC core replacement parts for vehicle heating systems. HT400030C is the part number to reference when matching the rear heater core application for the Toyota Sienna.

Common Repair Symptoms

• Weak or uneven rear cabin heat
• Coolant odor inside the vehicle
• Moisture or fogging from a heater core leak
• Restricted coolant flow through the rear HVAC circuit
• Rear heater performance loss in Toyota Sienna models

Installation Notes and Tips

Verify the rear position and model year before ordering. Compare the original unit to HT400030C for connector, case, and hose routing details during installation. After replacement, refill and bleed the cooling system according to the vehicle service procedure to restore proper rear heater operation.

Quality Assurance

Universal Air supplies HVAC replacement components for vehicle heating and cooling service. Confirm fitment by year, make, model, and rear position before installation.