HomeHVAC > A/C Accumulator / Receiver DrierFour Seasons 33328 A/C Accumulator
Part #: 33328

Four Seasons 33328 A/C Accumulator

Accumulator
⚙️ 25 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$39.50Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Accumulator
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, Passat, Cabriolet, 90, and 90 Quattro
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandFour Seasons
Part Number33328
PositionAccumulator
Body Diameter3.500
Body Length9.000
DescriptionAccumulators
Dia. MM88.900
Friction Material Attachmentw/o Service Port
Inlet Fitting Diameter3/4
Inlet Fitting TypeFemale O-Ring
Inlet IN0.750
Inlet MM19.050
Length MM228.600
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hardware?Not Included
O-Ring A Number/Desc[24612] / Green O-Ring
Outlet Fitting Diameter1.102
Outlet Fitting TypeMale Insert O-Ring
Outlet Fraction1-1/8
Outlet MM28.000
StyleComplete Unit
Switchw/o Switch Port
TypeAccumulator

This part fits 25 vehicles. Search below:

YearMakeModelPositionNotes
2001AudiA4N/AAccumulator
2001AudiA4 QuattroN/AAccumulator
2000AudiA4N/AAccumulator
2000AudiA4 QuattroN/AAccumulator
1999AudiA4N/AAccumulator
1999AudiA4 QuattroN/AAccumulator
1999VolkswagenPassatN/AAccumulator
1998AudiA4N/AAccumulator
1998AudiA4 QuattroN/AAccumulator
1998AudiCabrioletN/AAccumulator
1998VolkswagenPassatN/AAccumulator
1997AudiA4N/AAccumulator
1997AudiA4 QuattroN/AAccumulator
1997AudiCabrioletN/AAccumulator
1996AudiA4N/AAccumulator
1996AudiA4 QuattroN/AAccumulator
1996AudiCabrioletN/AAccumulator
1995Audi90N/AAccumulator
1995Audi90 QuattroN/AAccumulator
1995AudiCabrioletN/AAccumulator
1994Audi90N/AAccumulator
1994Audi90 QuattroN/AAccumulator
1994AudiCabrioletN/AAccumulator
1993Audi90N/Aw/ R134a; Accumulator
1993Audi90 QuattroN/Aw/ 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:

02333281113332814114071518981614916149D1728021742861918860820710082087442780233328370511537051223723374428648484491274B08201926595401958970511570512271706807982889193308A0820191AB8A0820193AB8D0820192A78744AC2791AC2791CCWK705115ED1008RD4286CRD4286T

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.