Four Seasons 54733 A/C Evaporator Core - Front

Overview of Four Seasons Evaporator Core 54733 for Toyota Sienna

The Four Seasons Evaporator Core 54733 is designed specifically for Toyota Sienna models, providing reliable air conditioning performance. This A/C evaporator core is engineered to meet OEM specifications, ensuring proper fit and function within your vehicle's HVAC system.

• Core dimensions: 10.875 inches width, 8.4375 inches height, 3.5 inches depth
• Material: Durable aluminum construction for efficient heat exchange
• Inlet fitting: Female o-ring, No. 8 outside diameter
• Outlet fitting: Female o-ring, No. 10 outside diameter
• Core type: Serpentine design for optimized refrigerant flow
• Includes green o-rings ([24661] and [24681]) for secure sealing

Details on Four Seasons Evaporator Core Product Line

The Four Seasons Evaporator Core product line focuses on delivering precise HVAC components that restore factory air conditioning performance. The Evaporator Core 54733 is part of this line, featuring a serpentine core design and aluminum material to ensure efficient cooling and durability. This product line is tailored to meet the specific requirements of vehicle models like the Toyota Sienna, providing a direct replacement for worn or damaged evaporator cores.

Product Description and Specifications

This A/C evaporator core measures 10-7/8 inches in width, 8-7/16 inches in height, and has a core depth of 3-1/2 inches (88.9 mm). The serpentine core design enhances refrigerant flow and heat exchange efficiency. Both inlet and outlet fittings use female o-ring connections, with the inlet fitting sized at No. 8 and the outlet fitting at No. 10 outside diameter. Constructed from aluminum, this evaporator core offers corrosion resistance and long service life. The included green o-rings ([24661] and [24681]) ensure a proper seal during installation.

Common Issues Addressed by This Evaporator Core

• Reduced A/C cooling performance in Toyota Sienna vehicles
• Leaks or damage in the evaporator core causing refrigerant loss
• Unusual odors or moisture buildup inside the cabin
• HVAC system inefficiency due to clogged or corroded evaporator
• Replacement of worn evaporator cores to restore factory air conditioning function

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 54733 requires removal of the dashboard and HVAC housing in the Toyota Sienna. Ensure all refrigerant is properly recovered before beginning work. Use the included green o-rings to secure inlet and outlet fittings, verifying a tight seal to prevent leaks. It is recommended to inspect and replace the receiver/drier or accumulator during A/C system service. Follow vehicle-specific service manual instructions for proper installation procedures.

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54733 to meet or exceed OEM standards for fit, form, and function. The aluminum construction and serpentine design contribute to durability and efficient operation. This part is backed by Four Seasons' quality assurance processes. Please refer to Four Seasons' official warranty documentation for specific coverage details.