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Four Seasons 33139 A/C Accumulator
Overview of Four Seasons Accumulator 33139
The Four Seasons Accumulator 33139 is designed specifically for Buick Aurora and Oldsmobile Riviera models. This A/C accumulator plays a critical role in maintaining the efficiency and reliability of your vehicle's air conditioning system by filtering moisture and debris.
- Brand: Four Seasons
- Brand Line: Accumulator
- Part Number: 33139
- Category: HVAC > A/C Accumulator / Receiver Drier
- Material: Aluminum construction for durability
- Body Diameter: 3.5 inches (88.9 mm)
- Body Length: 9 inches (228.6 mm)
- Inlet Fitting: Dual o-ring and male insert o-ring, 5/8 inch diameter
- Outlet Fitting: Dual o-ring, 5/8 inch diameter
- Inlet and Outlet Thread Size: M27x2.000
- Switch Service Port: Without service port
- Mounting Hardware: Not included
- O-Rings Included: One spring type [24222] and three green o-rings [24672]
- Meets or exceeds OEM specifications
Four Seasons Accumulator Product Line Details
The Four Seasons Accumulator product line focuses on providing complete A/C accumulator units engineered to meet or exceed original equipment manufacturer standards. The 33139 model is part of this line, offering a reliable aluminum body and precise fitting types to ensure compatibility and performance in HVAC systems of select Buick and Oldsmobile vehicles.
Detailed Product Description
This A/C accumulator is constructed from aluminum, providing corrosion resistance and long service life. The 3.5-inch diameter and 9-inch length dimensions ensure proper fitment within the HVAC system of Buick Aurora and Oldsmobile Riviera models. The inlet and outlet fittings use dual o-ring seals and male insert o-rings with a 5/8 inch diameter, designed to maintain a secure, leak-free connection. The M27x2.000 thread size on both inlet and outlet fittings matches OEM specifications. This unit does not include a switch service port and comes without mounting hardware, so ensure proper installation tools and brackets are available.
Common Issues Addressed by This A/C Accumulator
- Prevents moisture and debris from entering the A/C system
- Helps maintain proper refrigerant flow and pressure
- Reduces risk of compressor damage due to contaminants
- Eliminates system blockages caused by accumulated debris
- Supports consistent air conditioning performance in Buick Aurora and Oldsmobile Riviera
Installation Notes and Tips
- Verify compatibility with Buick Aurora and Oldsmobile Riviera before installation
- Ensure all O-rings are properly seated and lubricated to prevent leaks
- Use appropriate tools for M27x2.000 thread fittings
- Replace mounting hardware if original parts are worn or missing
- Follow vehicle manufacturer guidelines for A/C system service and evacuation
Quality Assurance and Warranty
The Four Seasons Accumulator 33139 meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality aluminum and precision fittings, this part is engineered for durability and reliable performance. While mounting hardware is not included, the unit comes with necessary O-rings to ensure a proper seal. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 33139 |
| 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 | 5/8 |
| Inlet Fitting Type | Dual O-Ring |
| Inlet Fitting Type | Male Insert O-Ring |
| Inlet Thread Size | M27x2.000 |
| Length MM | 228.600 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hardware? | Not Included |
| O-Ring A Number/Desc | [24222] / Spring |
| O-Ring B Number/Desc | [24672] / Green O-Ring |
| Outlet Fitting Type | Dual O-Ring |
| Outlet Fraction | 5/8 |
| Outlet Thread Size | M27x2.000 |
| Style | Complete Unit |
| Switch | w/o Switch Port |
| Type | Accumulator |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Buick | Riviera | N/A | Accumulator |
| 1999 | Oldsmobile | Aurora | N/A | Accumulator |
| 1998 | Buick | Riviera | N/A | Accumulator |
| 1998 | Oldsmobile | Aurora | N/A | Accumulator |
| 1997 | Buick | Riviera | N/A | Accumulator |
| 1997 | Oldsmobile | Aurora | N/A | Accumulator |
| 1996 | Buick | Riviera | N/A | Accumulator |
| 1996 | Oldsmobile | Aurora | N/A | Accumulator |
| 1995 | Buick | Riviera | N/A | Accumulator |
| 1995 | Oldsmobile | Aurora | N/A | 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.