Denso 478-2011 A/C Receiver Drier

Denso New Receiver Drier 478-2011

Denso New Receiver Drier 478-2011 is an aluminum A/C receiver drier built for stable refrigerant flow and moisture control in the air conditioning system. It is a direct-fit service part for select Honda, Acura, Ford, and Toyota applications, including Honda Accord, Acura Legend, Ford Festiva, and Toyota MR2.

The Denso New Receiver Drier line focuses on factory-style fit and efficient A/C operation. This receiver drier uses a union nut design with male inlet and outlet fittings, and its desiccant package helps isolate moisture that can lead to internal corrosion and premature system wear.

Key Features

• Part number 478-2011 for A/C receiver drier replacement
• Aluminum body for OE-style HVAC service applications
• Union nut design with male inlet and outlet fittings
• Body diameter: 66.675 mm
• Body length: 228.600 mm
• Built to manage liquid and vapor refrigerant flow for smoother A/C operation
• Desiccant package helps protect internal A/C components from moisture-related damage

Detailed Description

This Denso receiver drier is used in the HVAC system to help separate moisture from refrigerant and support consistent A/C performance. By controlling refrigerant flow and reducing moisture inside the system, it helps maintain efficient cooling and protects components from corrosion. It is a practical replacement during major A/C service on vehicles such as the 1990-1993 Honda Accord, 1986-1990 Acura Legend, 1988-1989 Ford Festiva, and 1985-1989 Toyota MR2. This part cross-references Four Seasons 33412 for the same application.

What It Helps Address

• Weak or inconsistent cabin cooling
• Moisture contamination inside the A/C system
• Internal corrosion in HVAC components
• Restricted refrigerant flow after service or component replacement
• Premature wear caused by contaminated refrigerant circuits

Installation Notes and Tips

• Verify fitment by year, make, and model before ordering.
• Replace the receiver drier during major A/C service or when the system has been opened.
• Inspect seals, lines, and mating surfaces before installation.
• Follow the vehicle service procedure for evacuation, charging, and leak checking after installation.
• Fits 1990-1993 Honda Accord, N/A.
• Fits 1986-1990 Acura Legend, N/A.
• Fits 1988-1989 Ford Festiva, N/A.
• Fits 1985-1989 Toyota MR2, N/A.

Quality Assurance

Denso manufactures this receiver drier to factory-level standards for fit and A/C system performance. The New Receiver Drier line is built for service replacement applications where correct fitment and moisture control are critical to HVAC reliability.