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Four Seasons 33373 A/C Receiver Drier
| Brand | Four Seasons 33373 |
|---|---|
| Body Diameter | 3.000 |
| Body Length | 7.000 |
| Bracket? | w/ Bracket |
| Connector B Type | Female O-Ring |
| Connector Type | Male Insert O-Ring |
| Description | Filter Driers |
| Desiccant | Yes |
| Desiccant Replaceable | Not Replaceable |
| Dia. MM | 76.200 |
| Gasket / Seals? | Included |
| In Line Filter Material | Desiccant |
| In Line Filter Outlet Fitting Type | Female |
| Inlet Filter Fitting Thread Diameter | 0.625 |
| Inlet Filter Fitting Type | Male |
| Inlet Fitting Diameter | 0.375 |
| Inlet Fitting Type | Male Insert O-Ring |
| Inlet Fraction | 3/8 |
| Inlet IN | 0.375 |
| Inlet MM | 9.525 |
| Length MM | 177.800 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Moisture Indicator Window | No |
| Mounting Bracket Included | Not Included |
| New or Reman | New |
| O-Ring A Number/Desc | [24606] / Green O-Ring |
| Outlet Fitting Type | Female O-Ring |
| Outlet Fraction | 3/8 |
| Outlet IN | 0.375 |
| Outlet MM | 9.525 |
| Overall Depth IN | 7.000 |
| P. R. V.? | No |
| Service Port? | w/ Service Port |
| Sight Glass? | Yes |
| Style | Steel Filter Drier |
| Switch Port Dia. IN | 0.250 |
| Switch Port Dia.MM | 6.350 |
| Switch Port? | w/ Switch Port |
| Type | Washer Not Included |
| Product line | Filter Drier |
| Fits | Volkswagen · 7 vehicles |
OE-grade replacement. Meets or exceeds OEM requirements for dependable system service.
Steel filter drier. Durable construction with desiccant to help remove moisture.
Service-ready design. Includes a sight glass plus service and switch ports.
Cross-references Continental 49017, CSF 3969 and Dayco 71368 for the same application. See all 27.
Four Seasons 33373 Filter Drier Overview
Four Seasons 33373 is a steel A/C receiver drier built for HVAC service on the Volkswagen Fox. It uses a male insert O-ring inlet, female O-ring outlet, and includes a service port and sight glass for system service checks. This Four Seasons filter drier is a direct-fit style replacement for 1987-1993 Volkswagen Fox applications.
Key Features
- Steel filter drier construction
- Male insert O-ring inlet and female O-ring outlet
- 3/8 in. inlet and outlet connections
- Includes desiccant and gasket/seals
- Service port and sight glass included
- Meets or exceeds OEM requirements
- New, non-replaceable desiccant design
Product Details
The Four Seasons 33373 receiver drier is part of the Filter Drier line and is built for A/C systems that need moisture control and refrigerant filtration in one component. Its steel body measures 3.000 in. in diameter and 7.000 in. in length, with 3/8 in. inlet and outlet fittings and a 0.250 in. switch port diameter. The unit includes a sight glass, service port, and green O-rings for sealing. This part cross-references Dayco 71368 and CSF 3969 for the same application. For Volkswagen Fox owners, Four Seasons 33373 provides the correct receiver drier format for 1987-1993 Volkswagen Fox HVAC service.
Common Problems This Part Addresses
- Moisture contamination in the A/C system
- Restricted refrigerant flow through a worn or saturated drier
- Loss of system efficiency caused by contaminated desiccant
- Service issues related to aging receiver drier seals
- Inspection needs when checking refrigerant condition through the sight glass
Installation Notes and Tips
Replace the receiver drier whenever the A/C system has been opened for service, or when contamination is suspected. Verify the inlet and outlet fitting style, thread diameter, and switch port connection before installation. Always replace O-rings with the correct refrigerant-safe seals and evacuate the system before recharging. Confirm fitment for 1987-1993 Volkswagen Fox before ordering, and match the original mounting and line routing to the vehicle.
Quality Assurance
Four Seasons 33373 is a new replacement part that meets or exceeds OEM specifications. The Filter Drier line is built for serviceable HVAC applications where moisture control, filtration, and proper sealing are required.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Volkswagen | Fox | N/A | Filter Drier |
| 1992 | Volkswagen | Fox | N/A | Filter Drier |
| 1991 | Volkswagen | Fox | N/A | Filter Drier |
| 1990 | Volkswagen | Fox | N/A | Filter Drier |
| 1989 | Volkswagen | Fox | N/A | Filter Drier |
| 1988 | Volkswagen | Fox | N/A | Filter Drier |
| 1987 | Volkswagen | Fox | N/A | Filter Drier |
| No rows match your filter. | ||||