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Four Seasons 33991 A/C Receiver Drier
| Brand | Four Seasons 33991 |
|---|---|
| Material | Steel |
| Inlet Filter Fitting Type | Pad mount |
| Desiccant | Yes |
| In Line Filter Material | Desiccant |
| In Line Filter Outlet Fitting Type | Pad mount |
| Type | Washer not included |
| Body Diameter | 3.000 |
| Body Length | 8.500 |
| Moisture Indicator Window | No |
| Inlet Fitting Type | Pad mount |
| Desiccant Replaceable | Not replaceable |
| Fuse Plug | No |
| Inlet Fitting Diameter | .426 |
| Outlet Fitting Type | Pad mount |
| Mounting Bracket Included | Not included |
| Bracket? | W/o bracket |
| Connector B Type | Pad mount |
| Connector Type | Pad mount |
| Description | Filter driers |
| Dia. MM | 76.200 |
| Gasket / Seals? | Included |
| Inlet Fraction | 5/8 |
| Length MM | 215.900 |
| Meets / Exceeds OEM? | Yes |
| New or Reman | New |
| Outlet Fraction | 5/8 |
| Outlet IN | .426 |
| Overall Depth IN | 8.500 |
| P. R. V.? | No |
| Service Port? | W/o service port |
| Fits | — |
OE direct replacement. Meets or exceeds OEM requirements for a confident fit.
Steel filter drier. Durable construction with desiccant to help manage moisture.
Pad-mount design. Built for a secure, straightforward installation.
Cross-references Four Seasons 33991, Monroe Shocks & Struts 173021 and NGK 7397 for the same application. See all 25.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Four Seasons 33991 Filter Drier Overview
Four Seasons 33991 is a steel A/C receiver drier built for HVAC systems that use pad-mount connections and a switch port. It includes desiccant and gasket/seals, and it meets or exceeds OEM requirements for a direct-fit replacement in the proper application.
For buyers searching for a Four Seasons receiver drier, A/C filter drier, or steel filter drier for vehicle HVAC repair, this part number 33991 is a practical OE-style service component. It is commonly referenced alongside applications such as Honda Civic and Toyota Corolla fitment searches when matching the correct A/C accumulator / receiver drier configuration.
Key Features
- Brand: Four Seasons Filter Drier
- Part number: 33991
- Steel body construction
- Pad-mount inlet and outlet fittings
- Desiccant included; not replaceable
- Gasket/seals included
- No sight glass, moisture indicator window, or service port
- Switch port included
- Meets or exceeds OEM specifications
- New part, not remanufactured
Product Details
Four Seasons 33991 is an A/C receiver drier used in automotive HVAC systems to help manage refrigerant moisture and support stable air-conditioning performance. The steel housing measures 3.000 inches in body diameter and 8.500 inches in body length, with 5/8 inlet and outlet fractions and pad-mount connector types. This configuration is suited to vehicles that require a receiver drier with a stud mount and switch port, without a service port or sight glass.
This part cross-references Monroe Shocks & Struts 173021 for the same application. When replacing an A/C receiver drier on a Honda Civic or Toyota Corolla, confirm the pad-mount layout, inlet and outlet dimensions, and switch-port requirements before installation. The Four Seasons 33991 listing is also searched as 33991 receiver drier and Four Seasons 33991 A/C drier.
Common Problems This Part Addresses
- Moisture contamination in the A/C refrigerant circuit
- Reduced cooling performance caused by a saturated desiccant
- System service needs after compressor, condenser, or line replacement
- Fitment issues when the vehicle uses pad-mount receiver drier connections
- HVAC repair jobs requiring a receiver drier with a switch port
Installation Notes and Tips
Replace the receiver drier whenever the A/C system has been opened for service, and verify that the vehicle uses pad-mount inlet and outlet fittings before ordering. Check the body dimensions, inlet diameter, and switch-port requirement against the original part to confirm proper alignment. Use the included gasket/seals during installation and follow the vehicle manufacturer’s evacuation and recharge procedure after assembly.
Quality Assurance
Four Seasons designs this filter drier to meet or exceed OEM specifications, making it a direct replacement option for the correct application. Part number 33991 is new and built with a steel housing for automotive HVAC service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||