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Four Seasons 33203 A/C Accumulator
Overview of Four Seasons Accumulator 33203 for Chevrolet and GMC
The Four Seasons Accumulator 33203 is designed specifically for Chevrolet Astro and GMC Safari 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.
- Compatible with Chevrolet Astro and GMC Safari vehicles
- Part number 33203 for precise identification
- Constructed from durable aluminum material
- Includes service port and switch port for easy maintenance
- Body diameter of 3.5 inches and length of 9 inches
- Female o-ring inlet fitting and male insert o-ring outlet fitting
- Meets or exceeds OEM specifications
Detailed Product Features and Specifications
The Four Seasons Accumulator 33203 is a complete unit designed to fit the HVAC system of Chevrolet Astro and GMC Safari models. It features a 3.5-inch body diameter (88.9 mm) and a 9-inch length (228.6 mm), providing the correct size for optimal performance. The inlet fitting is a female o-ring type with a 3/4 inch diameter and M27x2.000 thread size, while the outlet fitting is a male insert o-ring with the same diameter and thread size. This accumulator includes a switch port with a diameter of 0.472 inches (12 mm) to accommodate system monitoring. The unit is made from aluminum, ensuring durability and resistance to corrosion. It comes with green o-rings ([24676] and [24612]) to ensure a proper seal, although mounting hardware is not included.
About the Four Seasons Accumulator Product Line
The Four Seasons Accumulator product line focuses on providing reliable A/C accumulators that meet or exceed OEM standards. These accumulators are engineered to maintain the integrity of the air conditioning system by capturing moisture and contaminants, which helps prevent damage to the compressor and other components. The Accumulator line is designed for easy installation and serviceability, featuring service and switch ports to facilitate system diagnostics and maintenance.
Common Applications and Issues Addressed
- Prevents moisture buildup in the A/C system
- Filters debris to protect the compressor and other components
- Helps maintain consistent refrigerant flow
- Reduces risk of system freeze-ups and corrosion
- Supports proper operation of Chevrolet Astro and GMC Safari air conditioning systems
Installation Notes and Tips
When installing the Four Seasons Accumulator 33203, ensure the correct orientation of inlet and outlet fittings to match the vehicle’s HVAC system. Use the included green o-rings to create a secure seal and prevent refrigerant leaks. Note that mounting hardware is not included, so retain original brackets or source compatible hardware. Verify that the switch port connections are properly engaged for accurate system monitoring. It is recommended to evacuate and recharge the A/C system following installation to maintain optimal performance.
Quality Assurance and Warranty
This Four Seasons Accumulator meets or exceeds OEM specifications, ensuring compatibility and durability for Chevrolet Astro and GMC Safari vehicles. Manufactured from corrosion-resistant aluminum, it is built to withstand typical operating conditions. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 33203 |
| Position | Accumulator |
| Body Diameter | 3.500 |
| Body Length | 9.000 |
| Description | Accumulators |
| Dia. MM | 88.900 |
| Friction Material Attachment | w/ Service Port |
| Inlet Fitting Diameter | 3/4 |
| Inlet Fitting Type | Female 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 | [24676] / Green O-Ring |
| O-Ring B Number/Desc | [24612] / Green O-Ring |
| Outlet Fitting Type | Male Insert O-Ring |
| Outlet Fraction | 3/4 |
| Outlet Thread Size | M27x2.000 |
| Style | Complete Unit |
| Switch | w/ Switch Port |
| Switch Port Dia. IN | 0.472 |
| Switch Port Dia.MM | 12.000 |
| Type | Accumulator |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Chevrolet | Astro | N/A | Accumulator |
| 1995 | GMC | Safari | 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.