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Four Seasons 33401 A/C Receiver Drier
| Brand | Four Seasons 33401 |
|---|---|
| Body Diameter | 3.000 |
| Body Length | 7.000 |
| Bracket? | w/o Bracket |
| Connector B Type | Male Flare |
| Connector Type | Male Flare |
| Description | Filter Driers |
| Desiccant | Yes |
| Desiccant Replaceable | Not Replaceable |
| Dia. MM | 76.200 |
| Fuse Plug | No |
| Gasket / Seals? | Included |
| In Line Filter Material | Desiccant |
| In Line Filter Outlet Fitting Type | Male |
| Inlet Filter Fitting Thread Diameter | 0.500 |
| Inlet Filter Fitting Type | Male |
| Inlet Fitting Diameter | 0.500 |
| Inlet Fitting Type | Flare Fitting |
| Inlet Fraction | 1/2 |
| Inlet IN | 0.500 |
| Inlet MM | 12.700 |
| 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 | Flare Fitting |
| Outlet Fraction | 1/2 |
| Outlet IN | 0.500 |
| Outlet MM | 12.700 |
| Overall Depth IN | 7.000 |
| P. R. V.? | No |
| Service Port? | w/o Service Port |
| Sight Glass? | Yes |
| Stud? | No |
| 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 | Mercedes-Benz · 2 vehicles |
OE-spec replacement. Meets or exceeds OEM requirements for dependable system service.
Steel filter drier. Durable steel construction with desiccant to help manage moisture.
Sight glass included. Lets you check refrigerant flow and system condition at a glance.
Cross-references Bosch 16147, Dayco 71127 and Four Seasons 33401 for the same application. See all 29.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Four Seasons 33401 A/C Receiver Drier
The Four Seasons 33401 filter drier is a steel A/C receiver drier built for HVAC service on select Mercedes-Benz applications. It uses a male flare inlet and outlet, includes a sight glass, and is supplied new with gasket/seals and green O-rings for a direct replacement on the listed vehicles.
Key Features
- Brand: Four Seasons Filter Drier
- Part Number: 33401
- Steel body construction
- Male flare inlet and outlet fittings
- Built-in desiccant for moisture control
- Sight glass included
- Switch port included; service port not included
- New unit that meets or exceeds OEM requirements
- Compatible with 1975-1976 Mercedes-Benz 300D, N/A
Product Details
The Four Seasons 33401 receiver drier is part of the Filter Drier line and is used in automotive air conditioning systems to help maintain refrigerant cleanliness and moisture control. Its steel housing measures 3.000 inches in body diameter and 7.000 inches in body length, with 1/2-inch male flare inlet and outlet connections. This part number 33401 is a direct replacement option for Mercedes-Benz 300D models from 1975-1976 and is also cross-referenced to Monroe Shocks & Struts 172448 for the same application.
Common Problems It Can Help Address
- Moisture contamination in the A/C refrigerant circuit
- Reduced cooling performance caused by a saturated drier
- Debris buildup in the receiver drier housing
- Service issues related to worn flare connections or seals
- Replacement needs during A/C system repair or overhaul
Installation Notes and Tips
Verify the 1/2-inch male flare inlet and outlet connections before installation. Replace the receiver drier whenever the A/C system has been opened for service, and confirm the switch port and sight glass orientation match the vehicle setup. For fitment, this part fits 1975-1976 Mercedes-Benz 300D, N/A. Confirm all sealing surfaces are clean and use the included gasket/seals and green O-rings during assembly.
Quality Assurance
Four Seasons lists this receiver drier as a new part that meets or exceeds OEM specifications. The steel construction, desiccant charge, and OE-style fitment support reliable service replacement for the listed Mercedes-Benz applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1976 | Mercedes-Benz | 300D | N/A | Filter Drier |
| 1975 | Mercedes-Benz | 300D | N/A | Filter Drier |
| No rows match your filter. | ||||