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Four Seasons 33328 A/C Accumulator
Overview of Four Seasons Accumulator 33328
The Four Seasons Accumulator 33328 is designed for reliable performance in automotive HVAC systems. This A/C accumulator is compatible with select Audi and Volkswagen models, ensuring proper refrigerant flow and moisture removal in your vehicle's air conditioning system.
- Brand: Four Seasons
- Brand Line: Accumulator
- Part Number: 33328
- Material: Aluminum construction
- Body Diameter: 3.5 inches (88.9 mm)
- Body Length: 9 inches (228.6 mm)
- Inlet Fitting: Female o-ring, 3/4 inch (19.05 mm)
- Outlet Fitting: Male insert o-ring, 1-1/8 inch (28 mm)
- Without service or switch ports
- Meets or exceeds OEM specifications
Four Seasons Accumulator Product Line Details
The Four Seasons Accumulator product line focuses on complete A/C accumulator units designed to maintain system efficiency and protect components. This line includes accumulators built with durable aluminum and precise fittings to match OEM requirements. The 33328 model is part of this line, offering a direct replacement solution for specific Audi and Volkswagen vehicles without additional service or switch ports.
Detailed Product Description
The Four Seasons Accumulator 33328 is engineered to fit select Audi and Volkswagen models such as the Audi 90, 90 Quattro, A4, A4 Quattro, Cabriolet, and Volkswagen Passat. Constructed from aluminum, this accumulator features a 3.5-inch diameter and 9-inch length body, providing durability and corrosion resistance. The inlet uses a female o-ring fitting with a 3/4 inch diameter, while the outlet has a male insert o-ring fitting sized at 1-1/8 inch. This unit does not include a service or switch port, making it suitable for systems designed without these features. The accumulator helps trap moisture and debris, preventing damage to the A/C compressor and other components.
Common Applications and Issues Addressed
- Prevents moisture contamination in the A/C system
- Protects the compressor from debris and liquid refrigerant
- Maintains proper refrigerant flow and pressure
- Reduces risk of system freeze-up or failure
- Ensures efficient air conditioning performance in Audi and Volkswagen models
Installation Notes and Tips
- Verify compatibility with your specific Audi or Volkswagen model before installation
- Ensure all O-rings are properly seated and lubricated; this part includes two green O-rings (part number 24612)
- Mounting hardware is not included and must be sourced separately
- Follow manufacturer torque specifications for inlet and outlet fittings
- System evacuation and recharge should be performed by a qualified technician
Quality Assurance and Warranty
The Four Seasons Accumulator 33328 meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality aluminum and precision fittings, this part is designed for durability and reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 33328 |
| Position | Accumulator |
| Body Diameter | 3.500 |
| Body Length | 9.000 |
| Description | Accumulators |
| Dia. MM | 88.900 |
| Friction Material Attachment | w/o Service Port |
| Inlet Fitting Diameter | 3/4 |
| Inlet Fitting Type | Female O-Ring |
| Inlet IN | 0.750 |
| Inlet MM | 19.050 |
| Length MM | 228.600 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hardware? | Not Included |
| O-Ring A Number/Desc | [24612] / Green O-Ring |
| Outlet Fitting Diameter | 1.102 |
| Outlet Fitting Type | Male Insert O-Ring |
| Outlet Fraction | 1-1/8 |
| Outlet MM | 28.000 |
| Style | Complete Unit |
| Switch | w/o Switch Port |
| Type | Accumulator |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | Audi | A4 | N/A | Accumulator |
| 2001 | Audi | A4 Quattro | N/A | Accumulator |
| 2000 | Audi | A4 | N/A | Accumulator |
| 2000 | Audi | A4 Quattro | N/A | Accumulator |
| 1999 | Audi | A4 | N/A | Accumulator |
| 1999 | Audi | A4 Quattro | N/A | Accumulator |
| 1999 | Volkswagen | Passat | N/A | Accumulator |
| 1998 | Audi | A4 | N/A | Accumulator |
| 1998 | Audi | A4 Quattro | N/A | Accumulator |
| 1998 | Audi | Cabriolet | N/A | Accumulator |
| 1998 | Volkswagen | Passat | N/A | Accumulator |
| 1997 | Audi | A4 | N/A | Accumulator |
| 1997 | Audi | A4 Quattro | N/A | Accumulator |
| 1997 | Audi | Cabriolet | N/A | Accumulator |
| 1996 | Audi | A4 | N/A | Accumulator |
| 1996 | Audi | A4 Quattro | N/A | Accumulator |
| 1996 | Audi | Cabriolet | N/A | Accumulator |
| 1995 | Audi | 90 | N/A | Accumulator |
| 1995 | Audi | 90 Quattro | N/A | Accumulator |
| 1995 | Audi | Cabriolet | N/A | Accumulator |
| 1994 | Audi | 90 | N/A | Accumulator |
| 1994 | Audi | 90 Quattro | N/A | Accumulator |
| 1994 | Audi | Cabriolet | N/A | Accumulator |
| 1993 | Audi | 90 | N/A | w/ R134a; Accumulator |
| 1993 | Audi | 90 Quattro | N/A | w/ R134a; Accumulator |
* 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.