OE Quality
60-Day Returns

Four Seasons 33174 A/C Accumulator
Overview of Four Seasons 33174 A/C Accumulator for Ford Aerostar
The Four Seasons 33174 A/C Accumulator is designed specifically for Ford Aerostar models, ensuring reliable performance in your vehicle's HVAC system. This steel accumulator helps maintain optimal air conditioning function by filtering moisture and debris from the refrigerant.
- Compatible with Ford Aerostar vehicles
- Part number 33174 for precise identification
- Constructed from durable steel material
- Body diameter of 3.5 inches and length of 9 inches
- Inlet fitting: male springlock, 3/4 inch diameter
- Outlet fitting: female springlock, 5/8 inch diameter
- Includes multiple O-rings for secure sealing
- Meets or exceeds OEM specifications
Detailed Product Features and Specifications
The Four Seasons Accumulator line offers complete units designed to protect your vehicle's A/C system by trapping moisture and contaminants. The 33174 model features a 3.5-inch body diameter and a 9-inch length (88.9 mm diameter and 228.6 mm length), constructed from steel for durability and corrosion resistance. It includes a male springlock inlet fitting with a 3/4 inch (19.05 mm) diameter and a female springlock outlet fitting with a 5/8 inch (15.875 mm) diameter, ensuring a secure connection within the HVAC system.
This accumulator is equipped with multiple O-rings, including spring and green o-ring types, to provide a tight seal and prevent refrigerant leaks. The unit does not include mounting hardware, so ensure proper installation with compatible brackets or mounts. The switch port diameter is 1/4 inch, supporting integration with the vehicle's A/C pressure switch if applicable.
Applications and Common Issues Addressed
- Prevents moisture and debris from damaging the A/C compressor
- Helps maintain proper refrigerant flow and pressure
- Reduces risk of system freeze-ups and blockages
- Supports efficient air conditioning performance in Ford Aerostar models
- Replaces faulty or leaking accumulators to restore HVAC function
Installation Notes and Tips
- Verify compatibility with Ford Aerostar before installation
- Use appropriate mounting hardware as it is not included
- Inspect and replace O-rings to ensure leak-free connections
- Follow vehicle manufacturer guidelines for A/C system service
- Handle refrigerant safely and evacuate system properly before replacement
Quality Assurance and Warranty Information
The Four Seasons 33174 A/C Accumulator meets or exceeds OEM standards, providing reliable performance and durability. Manufactured from steel with precise fittings, this part is engineered to maintain the integrity of your Ford Aerostar's HVAC system. While mounting hardware is not included, the unit comes with all necessary O-rings for installation. Warranty details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Four Seasons |
| Part Number | 33174 |
| 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 | Male Springlock |
| Inlet IN | 0.750 |
| Inlet MM | 19.050 |
| Length MM | 228.600 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mounting Hardware? | Not Included |
| O-Ring A Number/Desc | [24222] / Spring |
| O-Ring B Number/Desc | [24672] / Green O-Ring |
| O-Ring C Number/Desc | [24220] / Spring |
| O-Ring D Number/Desc | [24670] / Green O-Ring |
| O-Ring E Number/Desc | [24650] / Green O-Ring |
| Outlet Fitting Diameter | 0.625 |
| Outlet Fitting Type | Female Springlock |
| Outlet Fraction | 5/8 |
| Outlet MM | 15.875 |
| Style | Complete Unit |
| Switch | w/ Switch Port |
| Switch Port Dia. IN | 0.250 |
| Switch Port Dia.MM | 6.350 |
| Type | Accumulator |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Ford | Aerostar | N/A | w/ Rear AC; Accumulator | ||
| 1992 | Ford | Aerostar | N/A | w/ Rear AC; Accumulator | ||
| 1991 | Ford | Aerostar | N/A | w/ Rear AC; Accumulator | ||
| 1990 | Ford | Aerostar | N/A | w/ Rear AC; Accumulator | ||
| 1989 | Ford | Aerostar | N/A | w/ Rear AC; Accumulator | ||
| 1988 | Ford | Aerostar | N/A | w/ Rear AC; Accumulator | ||
| 1987 | Ford | Aerostar | 3.0L | V6 | N/A | w/ Factory Air; w/ Rear AC; Accumulator |
| 1986 | Ford | Aerostar | 2.8L | V6 | N/A | w/ Factory Air; w/ Rear AC; 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.