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Four Seasons 33721 A/C Receiver Drier
Overview of Four Seasons Filter Drier 33721
The Four Seasons Filter Drier 33721 is designed specifically for BMW 740i, 740iL, and 750iL models. This A/C receiver drier plays a critical role in maintaining the efficiency and longevity of your vehicle's air conditioning system by filtering and drying refrigerant.
- Constructed from durable aluminum material
- Pad mount inlet and outlet fittings for secure installation
- Includes desiccant to absorb moisture and contaminants
- Body diameter of 5.000 inches and length of 7.500 inches
- Gaskets and seals included for proper sealing
- Meets or exceeds OEM specifications
- New part, no washer or mounting bracket included
Detailed Product Description
The Four Seasons Filter Drier 33721 is an A/C receiver drier engineered to fit BMW 740i, 740iL, and 750iL vehicles. Made from aluminum, it offers corrosion resistance and durability under high-pressure conditions. The pad mount inlet and outlet fittings, both sized at 0.375 inches, ensure a secure and leak-free connection within the HVAC system. This filter drier contains a non-replaceable desiccant that effectively removes moisture and contaminants from the refrigerant, preventing damage to the A/C components. The body measures 5 inches in diameter and 7.5 inches in length, providing the correct fitment for the specified BMW models. Gaskets and seals are included to maintain system integrity during installation.
About the Four Seasons Filter Drier Product Line
The Filter Drier line by Four Seasons focuses on delivering reliable filtration and moisture removal solutions for automotive air conditioning systems. This product line is designed to meet or exceed OEM standards, ensuring compatibility and performance for specific vehicle applications such as the BMW 740i, 740iL, and 750iL. The 33721 part number represents a new, high-quality receiver drier option within this line, engineered for durability and effective system protection.
Common Issues Addressed by This A/C Receiver Drier
- Prevents moisture buildup that can cause corrosion and system damage
- Filters out debris and contaminants from refrigerant flow
- Helps maintain optimal A/C system pressure and performance
- Reduces risk of compressor failure due to contaminated refrigerant
- Ensures longer lifespan of HVAC components in BMW 740i, 740iL, and 750iL models
Installation Notes and Tips
- Compatible with BMW 740i, 740iL, and 750iL air conditioning systems
- Ensure all old refrigerant is properly evacuated before installation
- Use included gaskets and seals to prevent leaks
- Do not reuse old washers; note that washers are not included with this part
- Mounting bracket is not included; verify existing bracket condition before installation
Quality Assurance and Warranty
The Four Seasons Filter Drier 33721 is a new part that meets or exceeds OEM specifications for BMW 740i, 740iL, and 750iL models. It is manufactured with high-quality aluminum and includes necessary seals to ensure proper function. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for reliability and performance.
| Brand | Four Seasons |
| Part Number | 33721 |
| Position | Filter Drier |
| 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 |
This part fits 8 vehicles. Search below:
| 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 |
* 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.