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Four Seasons 33721 A/C Receiver Drier
| Brand | Four Seasons 33721 |
|---|---|
| Body Diameter | 5.000 |
| Body Length | 7.500 |
| Bracket? | w/o Bracket |
| Connector B Type | Pad Mount |
| Connector Type | Pad Mount |
| Description | Filter Driers |
| Desiccant | Yes |
| Desiccant Replaceable | Not Replaceable |
| Dia. MM | 127.000 |
| Fuse Plug | No |
| Gasket / Seals? | Included |
| In Line Filter Material | Desiccant |
| In Line Filter Outlet Fitting Type | Pad Mount |
| Inlet Filter Fitting Type | Pad Mount |
| Inlet Fitting Diameter | 0.375 |
| Inlet Fitting Type | Pad Mount |
| Length MM | 190.500 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Moisture Indicator Window | No |
| Mounting Bracket Included | Not Included |
| New or Reman | New |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| Outlet Fitting Type | Pad Mount |
| Outlet IN | 0.375 |
| Overall Depth IN | 7.500 |
| Overall Depth MM | 190.500 |
| P. R. V.? | No |
| Pad Mount | w/ Pad Mount |
| Service Port? | w/o Service Port |
| Sight Glass? | No |
| Stud? | No |
| Style | Aluminum Filter Drier w/ Pad Mount |
| Switch Port? | w/o Switch Port |
| Type | W/ Pad Mount |
| Type | Washer Not Included |
| Product line | Filter Drier |
| Fits | BMW · 8 vehicles |
OE-grade replacement. Meets or exceeds OEM requirements for dependable A/C service.
Aluminum construction. Lightweight body resists corrosion in demanding HVAC systems.
Desiccant filter drier. Helps remove moisture to protect the A/C system.
Cross-references AMS Automotive 4339, AMS Automotive 4364 and Dayco 71389 for the same application. See all 35.
Four Seasons 33721 A/C Receiver Drier
Four Seasons 33721 is an aluminum A/C receiver drier built for HVAC systems that use a pad mount connection. It is a new filter drier with desiccant, gasket/seals included, and OEM-level fitment for select BMW 7 Series applications, including BMW 740i, 740iL, and 750iL models.
Key Features
- Aluminum receiver drier construction
- Pad mount inlet and outlet fittings
- Desiccant included; not replaceable
- Gasket/seals included
- No service port, switch port, sight glass, or fuse plug
- Meets or exceeds OEM requirements
- Body diameter: 5.000 in. / 127.000 mm
- Overall length: 7.500 in. / 190.500 mm
- Inlet and outlet fitting diameter: 0.375 in.
Product Details
The Four Seasons Filter Drier line focuses on HVAC filtration and moisture control for automotive air conditioning systems. Part number 33721 is an aluminum filter drier with pad mount connections, built to help maintain refrigerant cleanliness and system dryness in the A/C circuit. It is a direct replacement style component for BMW 740i, BMW 740iL, and BMW 750iL applications listed below, and it cross-references UAC RD4339C for the same application.
Fits 1995 BMW 740i, N/A. Fits 1997 BMW 740i, N/A. Fits 1995-1997 BMW 740iL, N/A. Fits 1995-1997 BMW 750iL, N/A.
What It Helps Address
- Moisture contamination in the A/C system
- Debris buildup in refrigerant flow
- Reduced cooling performance from a restricted receiver drier
- Service issues related to worn or damaged pad mount drier assemblies
- Replacement needs after A/C component service
Installation Notes and Tips
Verify pad mount fitment, inlet and outlet diameter, and overall dimensions before installation. Replace the included seals during service and follow the vehicle manufacturer’s evacuation and recharge procedure after the A/C system is opened. Because the desiccant is not replaceable, install the unit as a complete service part rather than attempting internal repair.
Quality Assurance
Four Seasons 33721 is a new part that meets or exceeds OEM requirements for the listed BMW applications. The aluminum construction and included seals support proper A/C service replacement on compatible BMW 7 Series models.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | BMW | 740i | N/A | Filter Drier |
| 1997 | BMW | 740iL | N/A | Filter Drier |
| 1997 | BMW | 750iL | N/A | Filter Drier |
| 1996 | BMW | 740iL | N/A | Filter Drier |
| 1996 | BMW | 750iL | N/A | Filter Drier |
| 1995 | BMW | 740i | N/A | Filter Drier |
| 1995 | BMW | 740iL | N/A | Filter Drier |
| 1995 | BMW | 750iL | N/A | Filter Drier |
| No rows match your filter. | ||||