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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.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
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. | ||||