Four Seasons
Filter Drier

Four Seasons 33394 A/C Receiver Drier

Brand Four Seasons 33394
Body Diameter 3.000
Body Length 7.000
Bracket? w/ 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 0.625
Inlet Filter Fitting Type Male
Inlet Fitting Diameter 0.375
Inlet Fitting Type Flare Fitting
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
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.? Yes
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

OE direct 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 at a glance.

Cross-references Autolite 4163, Bosch 16565 and Dayco 71310 for the same application. See all 32.

$33.95Free shipping
In stock · usually ships same day before 1pm CST
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Order total $33.95
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Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 33394 Filter Drier Overview

Four Seasons 33394 is a steel A/C receiver drier built for HVAC systems that use male flare connections, a sight glass, and a switch port. It includes desiccant and gasket/seal components to support moisture control in the refrigerant circuit and meets or exceeds OEM requirements.

Four Seasons Filter Drier line focuses on replacement HVAC components for service work where correct fit, connection style, and system protection matter. This 33394 receiver drier is a direct-style option for applications that call for a steel filter drier with a 3/8 in inlet and 1/2 in outlet.

Key Features

  • Steel A/C receiver drier construction
  • Male flare inlet and outlet fittings
  • Desiccant included for moisture absorption
  • Sight glass included for system inspection
  • Switch port included; service port not included
  • Pressure relief valve included
  • Gaskets/seals included with green O-rings
  • Meets or exceeds OEM specifications
  • Four Seasons 33394 replacement part number

Detailed Description

Four Seasons 33394 is an A/C receiver drier used in automotive HVAC systems to help remove moisture and contaminants from the refrigerant path. The steel body measures 3.000 in in diameter and 7.000 in in length, with a 3/8 in inlet and 1/2 in outlet in male flare configuration. This setup supports service replacement where the original system uses a receiver drier with a sight glass and switch port. For shoppers searching for a Four Seasons 33394 receiver drier for Honda Civic or other vehicle-specific HVAC repairs, this part number is a direct reference point for matching the correct A/C filter drier style.

This part cross-references Monroe Shocks & Struts 172566 for the same application.

What It Helps Address

  • Moisture in the A/C system
  • Contaminants circulating through the refrigerant line
  • Poor refrigerant flow caused by a restricted or aged drier
  • Loss of system inspection visibility at the sight glass
  • Replacement needs after compressor or HVAC service

Installation Notes and Tips

Verify inlet and outlet sizes, flare fitting style, and switch-port requirements before installation. Replace the receiver drier whenever the A/C system has been opened for service, and confirm the system uses the correct male flare connection layout for Four Seasons 33394. Check the vehicle’s HVAC routing and mounting location before final assembly. Fits 2006-2011 Honda Civic, front right.

Quality Assurance

Four Seasons 33394 is built to meet or exceed OEM specifications for replacement use in automotive air conditioning systems. The steel construction, desiccant charge, included seals, and pressure relief valve support proper HVAC service standards. Fits 2006-2011 Honda Civic, front right.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 32 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autolite — 4163Bosch — 16565Dayco — 71310Four Seasons — 33394Marmon Ride Control — A5820Monroe Shocks & Struts — 172566Standard Ignition — 27566UAC — RD0854C16565D4866915196917085420756620866970818980799614114423708189371336180419800008890208111333941918865688919401107830008365933029738AC2750AC2750CCWK708189ED566RD0854T33394