OE Quality
60-Day Returns

Four Seasons 33170 A/C Accumulator
Overview of Four Seasons Accumulator 33170 for Chevrolet G-Series Vans
The Four Seasons Accumulator 33170 is designed specifically for Chevrolet G10, G20, and G30 models, ensuring reliable performance in your vehicle's HVAC system. This A/C accumulator plays a critical role in maintaining the efficiency and longevity of your air conditioning system.
- Compatible with Chevrolet G10, G20, and G30 vans
- Part number 33170 for precise identification
- Constructed from durable aluminum material
- Body diameter of 3.5 inches and length of 12 inches
- Features female o-ring inlet fitting (3/4 inch) and male insert o-ring outlet fitting (0.75 inch)
- Includes two sets of green o-rings for secure sealing
- Complete unit style with switch port included
- 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 designed to meet or exceed original equipment manufacturer standards. This ensures compatibility and reliable operation within the vehicle’s HVAC system. The 33170 model is part of this line, offering a robust aluminum construction and precise fitting types to maintain system integrity and performance.
Detailed Product Description and Specifications
The Four Seasons Accumulator 33170 is engineered with a 3.5-inch body diameter and a 12-inch length (88.9 mm diameter and 304.8 mm length), constructed from aluminum for corrosion resistance and durability. It features a female o-ring inlet fitting with a 3/4 inch (19.05 mm) diameter and a male insert o-ring outlet fitting also sized at 3/4 inch (19.05 mm). The unit includes a switch port with a diameter of 0.25 inches (6.35 mm), allowing for integration with the vehicle’s A/C system controls. Two sets of green o-rings ([24650] and [24612]) are included to ensure a tight, leak-free seal during installation. Mounting hardware is not included, so appropriate fasteners should be sourced separately.
Common Applications and Issues Addressed
- Prevents moisture and debris from entering the A/C system
- Protects the compressor by trapping liquid refrigerant
- Helps maintain proper refrigerant flow and pressure
- Reduces risk of system freeze-ups and blockages
- Supports efficient air conditioning performance in Chevrolet G10, G20, and G30 vans
Installation Notes and Tips
- Verify compatibility with Chevrolet G10, G20, or G30 before installation
- Use the included green o-rings to ensure proper sealing at inlet and outlet fittings
- Check for any signs of wear or damage in the HVAC system before replacing the accumulator
- Mounting hardware is not included; use OEM or equivalent fasteners for secure installation
- Follow vehicle manufacturer guidelines for refrigerant handling and system evacuation
Quality Assurance and Warranty Information
The Four Seasons Accumulator 33170 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured from high-quality aluminum, this accumulator is designed to withstand the demands of automotive HVAC systems. While specific warranty details are not provided, 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 | 33170 |
| Position | Accumulator |
| Body Diameter | 3.500 |
| Body Length | 12.000 |
| 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 | 304.800 |
| 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 50 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1984 | Chevrolet | G10 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G10 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G10 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G20 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G20 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G20 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G30 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1984 | Chevrolet | G30 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1984 | GMC | G1500 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1984 | GMC | G1500 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1984 | GMC | G1500 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1984 | GMC | G2500 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1984 | GMC | G2500 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1984 | GMC | G2500 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1984 | GMC | G3500 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1984 | GMC | G3500 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G10 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G10 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G10 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G20 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G20 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G20 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G30 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1983 | Chevrolet | G30 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1983 | GMC | G1500 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1983 | GMC | G1500 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1983 | GMC | G1500 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1983 | GMC | G2500 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1983 | GMC | G2500 | 5.0L | V8 | GAS | N/A | Accumulator |
| 1983 | GMC | G2500 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1983 | GMC | G3500 | 5.7L | V8 | GAS | N/A | Accumulator |
| 1983 | GMC | G3500 | 4.1L | L6 | GAS | N/A | Accumulator |
| 1982 | Chevrolet | G10 | N/A | Accumulator | |||
| 1982 | Chevrolet | G20 | N/A | Accumulator | |||
| 1982 | Chevrolet | G30 | N/A | Accumulator | |||
| 1982 | GMC | G1500 | N/A | Accumulator | |||
| 1982 | GMC | G2500 | N/A | Accumulator | |||
| 1982 | GMC | G3500 | N/A | Accumulator | |||
| 1981 | Chevrolet | G10 | N/A | Accumulator | |||
| 1981 | Chevrolet | G20 | N/A | Accumulator | |||
| 1981 | Chevrolet | G30 | N/A | Accumulator | |||
| 1981 | GMC | G1500 | N/A | Accumulator | |||
| 1981 | GMC | G2500 | N/A | Accumulator | |||
| 1981 | GMC | G3500 | N/A | Accumulator | |||
| 1980 | Chevrolet | G10 | N/A | Accumulator | |||
| 1980 | Chevrolet | G20 | N/A | Accumulator | |||
| 1980 | Chevrolet | G30 | N/A | Accumulator | |||
| 1980 | GMC | G1500 | N/A | Accumulator | |||
| 1980 | GMC | G2500 | N/A | Accumulator | |||
| 1980 | GMC | G3500 | 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.