Four Seasons 33363 A/C Receiver Drier

Four Seasons 33363 Filter Drier Overview

The Four Seasons 33363 A/C receiver drier is a steel filter drier built for HVAC systems that use a male insert O-ring inlet and female O-ring outlet. It includes desiccant, a sight glass, a fuse plug, and a switch port, making it a direct-fit service part for select Audi, Volkswagen, and Land Rover applications.

Four Seasons Filter Drier components are built for replacement work where moisture control and refrigerant flow management matter. This 33363 receiver drier meets or exceeds OEM requirements and is listed for vehicles such as the Volkswagen Jetta, Audi 4000, and Land Rover Defender 90 with Diavia system coverage.

Key Features

• Steel A/C receiver drier construction
• Male insert O-ring inlet and female O-ring outlet
• Built-in desiccant for moisture removal
• Sight glass included for system inspection
• Fuse plug and switch port included in the design
• Washer not included; mounting bracket not included
• Meets or exceeds OEM specifications
• Cross-reference: Gates 27335 and Wix 46165

Detailed Product Description

Four Seasons 33363 is a steel filter drier with a 3/8 in. inlet and outlet, 2.500 in. body diameter, and 6.000 in. body length. The unit uses a female inlet filter fitting, female O-ring outlet fitting, and includes gasket/seal components with green O-rings specified for the application. The desiccant is not replaceable, and the unit is supplied without a service port.

For buyers searching for a replacement A/C receiver drier for Volkswagen Jetta, Audi Coupe, or Land Rover Defender 90 Diavia system applications, this part number provides a direct service option. Four Seasons 33363 is also referenced under multiple interchange numbers, which helps when matching an existing HVAC component during repair or restoration work.

Common A/C Problems This Part Addresses

• Moisture contamination inside the air conditioning system
• Reduced refrigerant flow through a restricted receiver drier
• Visible contamination or poor inspection results at the sight glass
• System service needs after compressor or line replacement
• Fitment matching for older Audi and Volkswagen HVAC systems

Installation Notes and Tips

Confirm inlet and outlet fitting style, thread diameter, and overall dimensions before installation. Replace O-rings and seals during service, and verify the switch port and fuse plug requirements match the vehicle’s HVAC setup. This part is listed for 1980-1987 Audi 4000, 1984-1987 Audi 4000 Quattro, 1981-1987 Audi Coupe, 1983-1985 Audi Quattro, 1980-1984 Volkswagen Jetta, 1980-1984 Volkswagen Rabbit Convertible, 1980-1983 Volkswagen Rabbit Pickup, 1985-1993 Volkswagen Cabriolet, and 1994-1995 or 1997 Land Rover Defender 90 with Diavia system.

For fitment-focused searches, this receiver drier is a direct replacement for select Volkswagen Jetta and Audi 4000 applications, and it also serves Land Rover Defender 90 HVAC service needs where the listed configuration matches.

Quality Assurance

Four Seasons 33363 is engineered to meet or exceed OEM requirements for the listed applications. The part is built as a steel filter drier with integrated desiccant and sealing components for HVAC service consistency.