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Four Seasons 33900 A/C Accumulator
Overview of Four Seasons 33900 A/C Accumulator
The Four Seasons 33900 A/C Accumulator is designed for reliable performance in Ford and Mercury vehicles, specifically the Cougar and Thunderbird models. This steel accumulator helps maintain the efficiency of your vehicle's HVAC system by filtering moisture and debris from the refrigerant.
- Compatible with Ford Cougar and Mercury Thunderbird
- Steel construction with a 3.5-inch body diameter and 6.5-inch length
- Inlet fitting: Male springlock, 5/8 inch diameter
- Outlet fitting: Barb fitting, 0.625 inch diameter
- Includes green O-rings and spring seals for secure connections
- Meets or exceeds OEM specifications
- Complete unit style without mounting hardware included
- Equipped with a switch port (0.472 inch diameter)
Detailed Product Description
The Four Seasons 33900 A/C Accumulator is a critical component in the air conditioning system of select Ford and Mercury vehicles. Constructed from durable steel, this accumulator features a 3.5-inch diameter and a length of 6.5 inches (88.9 mm diameter and 165.1 mm length). It is designed with a male springlock inlet fitting measuring 5/8 inch (15.875 mm) and a barb outlet fitting of the same diameter, ensuring proper refrigerant flow and system integrity.
This accumulator includes multiple O-rings—specifically green O-rings and a spring seal—to provide a tight, leak-free seal. The unit also features a switch port with a diameter of 0.472 inches (12 mm), allowing for integration with the vehicle’s HVAC system controls. The Four Seasons Accumulator line is engineered to meet or exceed OEM standards, providing a reliable replacement part for maintaining your vehicle’s air conditioning performance.
Applications and Common Issues Addressed
- Prevents moisture and debris from entering the A/C system
- Helps avoid compressor damage caused by contaminants
- Maintains proper refrigerant flow and pressure
- Reduces risk of system freeze-ups and blockages
- Supports efficient cooling performance in Ford Cougar and Mercury Thunderbird models
Installation Notes and Tips
Installation of the Four Seasons 33900 A/C Accumulator requires proper handling of refrigerant lines and seals. Ensure all O-rings are correctly positioned and lubricated to prevent leaks. Note that mounting hardware is not included, so retain original brackets or source compatible hardware. Verify the switch port connection matches your vehicle’s HVAC system requirements. It is recommended to have the A/C system evacuated and recharged by a certified technician after installation.
Quality Assurance and Warranty
This Four Seasons A/C Accumulator meets or exceeds OEM specifications for fit, form, and function. Manufactured from high-quality steel and equipped with OEM-grade seals, it 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 | 33900 |
| Position | Accumulator |
| Body Diameter | 3.500 |
| Body Length | 6.500 |
| Description | Accumulators |
| Dia. MM | 88.900 |
| Friction Material Attachment | w/o Service Port |
| Inlet Fitting Diameter | 5/8 |
| Inlet Fitting Type | Male Springlock |
| Inlet IN | 0.625 |
| Inlet MM | 15.875 |
| Length MM | 165.100 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mounting Hardware? | Not Included |
| O-Ring A Number/Desc | [24676] / Green O-Ring |
| O-Ring B Number/Desc | [24220] / Spring |
| O-Ring C Number/Desc | [24670] / Green O-Ring |
| Outlet Fitting Diameter | 0.625 |
| Outlet Fitting Type | Barb Fitting |
| Outlet Fraction | 5/8 |
| Outlet MM | 15.875 |
| Style | Complete Unit |
| Switch | w/ Switch Port |
| Switch Port Dia. IN | 0.472 |
| Switch Port Dia.MM | 12.000 |
| Type | Accumulator |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Ford | Cougar | 5.0L | V8 | N/A | Accumulator |
| 1993 | Ford | Thunderbird | 5.0L | V8 | N/A | Accumulator |
| 1993 | Mercury | Cougar | 5.0L | V8 | N/A | Accumulator |
| 1992 | Ford | Cougar | 5.0L | V8 | N/A | Accumulator |
| 1992 | Ford | Thunderbird | 5.0L | V8 | N/A | Accumulator |
| 1992 | Mercury | Cougar | 5.0L | V8 | N/A | Accumulator |
| 1991 | Ford | Cougar | 5.0L | V8 | N/A | Accumulator |
| 1991 | Ford | Thunderbird | 5.0L | V8 | N/A | Accumulator |
| 1991 | Mercury | Cougar | 5.0L | V8 | 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.