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Four Seasons 33444 A/C Receiver Drier
Overview of Four Seasons Filter Drier 33444
The Four Seasons Filter Drier 33444 is designed to maintain the efficiency and longevity of your vehicle's air conditioning system. Engineered with durable steel construction and integrated desiccant material, this A/C receiver drier is compatible with select BMW and Mercury models, including the BMW 318i, 325i, and M3, as well as the Mercury Monarch.
- Constructed from robust steel for durability
- Includes non-replaceable desiccant to absorb moisture
- Male insert o-ring inlet and outlet fittings for secure connections
- Body dimensions: 3.0 inches diameter, 6.0 inches length
- Gaskets and seals included for proper installation
- Meets or exceeds OEM specifications
- Compatible with BMW 318i, 318is, 325e, 325es, 325i, 325is, 325iX, M3 and Mercury Monarch
Four Seasons Filter Drier Product Line Details
The Filter Drier line by Four Seasons focuses on providing reliable A/C accumulator and receiver driers that protect automotive air conditioning systems from moisture and contaminants. The 33444 part number is part of this line, featuring integrated desiccant material and precision fittings designed to meet OEM standards. This ensures proper filtration and moisture absorption to maintain system performance in compatible BMW and Mercury vehicles.
Technical Description and Features
This A/C receiver drier is constructed from steel, providing strength and resistance to corrosion. It features a 0.625-inch male inlet filter fitting thread diameter and male insert o-ring fittings on both inlet and outlet sides, ensuring a tight, leak-free connection. The desiccant inside is not replaceable but effectively removes moisture from the refrigerant to prevent system damage. The unit measures 3.0 inches in diameter and 6.0 inches in length, with included gaskets and seals to facilitate installation. Note that the washer is not included, and a mounting bracket is not part of the package.
Applications and Problem Solving
- Prevents moisture buildup in the A/C system
- Filters out contaminants to protect compressor and components
- Helps maintain consistent refrigerant flow and pressure
- Reduces risk of corrosion and freeze-ups in BMW 318i and Mercury Monarch A/C systems
- Supports efficient cooling performance in BMW M3 and other compatible models
Installation Notes and Tips
When installing the Four Seasons Filter Drier 33444, ensure the correct orientation of the male insert o-ring fittings for a secure seal. Use the included gaskets and seals to prevent leaks. Since the desiccant is not replaceable, replace the entire unit if contamination or moisture issues are suspected. Note that the mounting bracket is not included, so verify compatibility with your vehicle’s mounting points. This part is designed for professional installation to maintain system integrity.
Quality Assurance and Warranty
The Four Seasons Filter Drier 33444 meets or exceeds OEM specifications for fit, form, and function. It is a new part, not remanufactured, ensuring reliable performance. The product includes three green o-rings (part number 24606) for proper sealing. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed quality assurance to support long-term use in BMW and Mercury vehicles.
| Brand | Four Seasons |
| Part Number | 33444 |
| Position | Filter Drier |
| Body Diameter | 3.000 |
| Body Length | 6.000 |
| Bracket? | w/ Bracket |
| Connector B Type | Male Insert O-Ring |
| Connector Type | Male Insert 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 | Male |
| Inlet Filter Fitting Thread Diameter | 0.625 |
| Inlet Filter Fitting Type | Male |
| Inlet Fitting Diameter | 0.375 |
| Inlet Fitting Type | Male Insert O-Ring |
| Inlet Fraction | 3/8 |
| Inlet IN | 0.375 |
| Inlet MM | 9.525 |
| Length MM | 152.400 |
| 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 | Male Insert O-Ring |
| Outlet Fraction | 3/8 |
| Outlet IN | 0.375 |
| Outlet MM | 9.525 |
| Overall Depth IN | 6.000 |
| P. R. V.? | No |
| Service Port? | w/ 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 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | BMW | 325i | Convertible | 2.5L | L6 | N/A | w/ Black Term on Pressure Switch; Filter Drier |
| 1992 | BMW | 318i | Convertible | 1.8L | L4 | N/A | Filter Drier |
| 1992 | BMW | 325i | Convertible | 2.5L | L6 | N/A | w/ Black Term on Pressure Switch; Filter Drier |
| 1991 | BMW | 318i | N/A | Filter Drier | |||
| 1991 | BMW | 318is | N/A | Filter Drier | |||
| 1991 | BMW | 325i | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1991 | BMW | 325is | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1991 | BMW | 325iX | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1991 | BMW | M3 | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1990 | BMW | 325i | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1990 | BMW | 325is | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1990 | BMW | 325iX | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1990 | BMW | M3 | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1989 | BMW | 325i | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1989 | BMW | 325is | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1989 | BMW | 325iX | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1988 | BMW | 325i | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1988 | BMW | 325is | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1988 | BMW | 325iX | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1987 | BMW | 325e | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1987 | BMW | 325es | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1987 | BMW | 325i | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1987 | BMW | 325is | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1986 | BMW | 325e | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1986 | BMW | 325es | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1985 | BMW | 318i | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1985 | BMW | 325e | N/A | w/ Black Term on Pressure Switch; Filter Drier | |||
| 1984 | BMW | 325e | N/A | w/ Black Terminal on Pressure Switch; Filter Drier | |||
| 1977 | Mercury | Monarch | 5.0L | V8 | N/A | w/ Factory Air; From 2/15/77; Filter Drier | |
| 1977 | Mercury | Monarch | 5.8L | V8 | N/A | w/ Factory Air; From 2/15/77; Filter Drier |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.