OE Quality
60-Day Returns

Four Seasons 33172 A/C Accumulator
Overview of Four Seasons Accumulator 33172
The Four Seasons Accumulator 33172 is designed to maintain optimal performance in your vehicle's A/C system. Engineered for select Buick and Oldsmobile models, this aluminum accumulator ensures efficient refrigerant flow and moisture removal.
- Compatible with Buick Century, Oldsmobile Cutlass Ciera, Cutlass Cruiser, and LeSabre
- 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) diameter
- Outlet fitting: Male insert o-ring, 3/4 inch (19.05 mm) diameter
- Includes switch port with 1/4 inch (6.35 mm) diameter
- Constructed from durable aluminum material
- 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 that integrate seamlessly with factory systems. This line is designed to meet or exceed original equipment manufacturer standards, ensuring reliable moisture and debris filtration in automotive air conditioning systems. The 33172 part number represents a complete unit with switch port compatibility, tailored for specific Buick and Oldsmobile applications.
Detailed Product Description
This Four Seasons A/C Accumulator 33172 features a 3.5-inch diameter and 9-inch length aluminum body, optimized for durability and corrosion resistance. The inlet and outlet fittings use o-ring seals—female on the inlet and male insert on the outlet—both sized at 3/4 inch to ensure a secure, leak-free connection. The inclusion of a switch port with a 1/4 inch diameter allows for integration with vehicle A/C pressure switches. This accumulator is designed without mounting hardware, so installation will require appropriate brackets or mounts compatible with your vehicle.
Common Applications and Problem Solving
- 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
- Supports efficient air conditioning performance in Buick Century and Oldsmobile Cutlass models
- Addresses issues related to refrigerant leaks and system blockages
Installation Notes and Tips
- Verify compatibility with your Buick Century or Oldsmobile Cutlass model before installation
- Ensure all o-rings are properly seated and lubricated to prevent leaks
- Use appropriate mounting hardware as it is not included with this part
- Follow vehicle manufacturer guidelines for A/C system service and evacuation
- Check switch port connections for secure fitment during installation
Quality Assurance and Warranty
The Four Seasons Accumulator 33172 meets or exceeds OEM standards for fit, form, and function. Manufactured from high-quality aluminum, this part is built to withstand the demands of automotive A/C systems. While mounting hardware is not included, the unit is designed for straightforward installation with proper tools. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 33172 |
| 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 | [24650] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| Outlet Fitting Diameter | 0.750 |
| Outlet Fitting Type | Male Insert O-Ring |
| Outlet Fraction | 3/4 |
| Outlet MM | 19.050 |
| Style | Complete Unit |
| Switch | w/ Switch Port |
| Switch Port Dia. IN | 0.250 |
| Switch Port Dia.MM | 6.350 |
| Type | Accumulator |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1988 | Buick | Century | Sedan | 3.8L | V6 | N/A | Accumulator |
| 1988 | Buick | Century | Wagon | 3.8L | V6 | N/A | Accumulator |
| 1988 | Buick | Century | Coupe | 3.8L | V6 | N/A | Accumulator |
| 1988 | Buick | LeSabre | Wagon | 3.8L | V6 | N/A | Accumulator |
| 1988 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | N/A | Accumulator | |
| 1988 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | N/A | Accumulator | |
| 1987 | Buick | Century | Sedan | 3.8L | V6 | N/A | Accumulator |
| 1987 | Buick | Century | Wagon | 3.8L | V6 | N/A | Accumulator |
| 1987 | Buick | Century | Coupe | 3.8L | V6 | N/A | Accumulator |
| 1987 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | N/A | Accumulator | |
| 1987 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | 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.