Four Seasons
Filter Drier

Four Seasons 33701 A/C Receiver Drier

Brand Four Seasons 33701
Body Diameter 3.000
Body Length 7.500
Bracket? w/o Bracket
Connector B Type Female O-Ring
Connector Type Female O-Ring
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 Female
Inlet Filter Fitting Thread Diameter 0.625
Inlet Filter Fitting Type Female
Inlet Fitting Diameter 0.375
Inlet Fitting Type Female O-Ring
Inlet Fraction 3/8
Inlet IN 0.375
Inlet MM 9.525
Length MM 190.500
Material Aluminum
Meets / Exceeds OEM? Yes
Moisture Indicator Window No
Mounting Bracket Included Not Included
New or Reman New
Outlet Fitting Type Female O-Ring
Outlet Fraction 1/2
Outlet IN 0.500
Outlet MM 12.700
Overall Depth IN 7.500
P. R. V.? No
Pad Mount w/o Pad Mount
Service Port? w/ Service Port
Sight Glass? No
Stud? No
Style Aluminum Filter Drier w/o Pad Mount
Switch Port? w/o Switch Port
Type W/O Pad Mount
Type Washer Not Included
Product line Filter Drier
Fits Volkswagen · 5 vehicles

Aluminum construction. Lightweight housing resists corrosion in demanding A/C service.

Desiccant filter drier. Helps remove moisture to protect the refrigeration system.

OE-spec replacement. Meets or exceeds OEM requirements for dependable service.

Cross-references AMS Automotive 4071, Dayco 71703 and Four Seasons 33701 for the same application. See all 21.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 33701 A/C Receiver Drier

The Four Seasons Filter Drier 33701 is a new aluminum A/C receiver drier built for HVAC service on select Volkswagen applications. It uses female O-ring inlet and outlet connections, includes desiccant, and is listed as meeting or exceeding OEM requirements for the specified fitments.

Key Features

  • Four Seasons Filter Drier line for automotive air conditioning service
  • Part number 33701
  • Aluminum body with a 3.000 in. diameter and 7.500 in. body length
  • Female O-ring inlet and outlet fittings
  • Desiccant included; desiccant is not replaceable
  • Service port included
  • No pad mount, no bracket, no moisture indicator window, and no sight glass
  • Meets or exceeds OEM specifications for the listed applications

Product Details

Four Seasons 33701 is an A/C receiver drier used in the refrigerant circuit to help manage moisture and support proper HVAC system operation. As part of the Four Seasons Filter Drier product line, this aluminum filter drier is configured with a 3/8 in. inlet and 1/2 in. outlet, female O-ring connectors, and included seals for a direct replacement-style service part. It is a fitment-based replacement for 1997 and 1999 Volkswagen EuroVan and 1993-1995 Volkswagen Corrado applications. This part cross-references Dayco 71703 and AMS Automotive 4071 for the same application.

Common Problems It Can Address

  • Moisture contamination in the A/C system
  • Reduced refrigerant system efficiency from a saturated drier
  • Service issues tied to worn or aging receiver drier components
  • Leak concerns at female O-ring connection points
  • HVAC performance problems on Volkswagen EuroVan and Volkswagen Corrado models

Installation Notes and Tips

Verify the inlet and outlet sizes, female O-ring connection style, and service-port configuration before installation. Replace the receiver drier whenever the A/C system has been opened for service, and inspect mating seals and refrigerant lines for wear or contamination. Fits 1997 Volkswagen EuroVan, N/A. Fits 1999 Volkswagen EuroVan, N/A. Fits 1993-1995 Volkswagen Corrado, N/A.

Quality Assurance

Four Seasons lists this receiver drier as meeting or exceeding OEM requirements for the covered applications. The new aluminum construction and application-specific fitment support consistent replacement service for Volkswagen A/C repairs.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999VolkswagenEuroVan——N/AFilter Drier
1997VolkswagenEuroVan2.8LV6N/AFilter Drier
1995VolkswagenCorrado——N/AFilter Drier
1994VolkswagenCorrado——N/AFilter Drier
1993VolkswagenCorrado——N/AFilter Drier
Directly replaces or cross-references 21 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4071Dayco — 71703Four Seasons — 33701URO — 20283002837D1820191A28148208738708170807927014930761510067171000237081704782014111337011918882188919499535820191AA78738CWK708170T33701