/live/media/FS/FS_33133_Fro.jpg)
OE Quality
60-Day Returns
/live/media/FS/FS_33133_Fro.jpg)
/live/media/FS/FS_33133_Ang.jpg)
/live/media/FS/FS_33133_Lef.jpg)
/live/media/FS/FS_33133_Rig.jpg)
/live/media/FS/FS_33133_Top.jpg)
/live/media/FS/FS_33133_Bac.jpg)
Four Seasons 33133 A/C Accumulator
Overview of Four Seasons Accumulator 33133
The Four Seasons Accumulator 33133 is designed for reliable performance in Chevrolet and GMC trucks, including C35, C1500, C2500, C3500, K1500, K2500, and K3500 models. This A/C accumulator helps maintain the efficiency of your vehicle's HVAC system by filtering moisture and debris from the refrigerant.
- Brand: Four Seasons
- Brand Line: Accumulator
- Part Number: 33133
- Category: HVAC > A/C Accumulator / Receiver Drier
- Material: Aluminum construction for durability
- Body Diameter: 3.5 inches (88.9 mm)
- Body Length: 8 inches (203.2 mm)
- Inlet Fitting: Female o-ring, 3/4 inch (19.05 mm)
- Outlet Fitting: Male insert o-ring, 3/4 inch (19.05 mm)
- Switch Port: Includes switch port with 1/4 inch (6.35 mm) diameter
- O-Rings Included: Two green o-rings [24650] and two green o-rings [24612]
- Meets or exceeds OEM specifications
Four Seasons Accumulator Product Line Details
The Four Seasons Accumulator product line focuses on complete A/C accumulator units engineered to meet or exceed original equipment manufacturer standards. This ensures compatibility and reliable operation within the HVAC systems of Chevrolet and GMC trucks. The 33133 model is a complete unit designed to efficiently trap moisture and contaminants, protecting the A/C system components and maintaining optimal refrigerant flow.
Product Description and Specifications
The Four Seasons Accumulator 33133 features a robust aluminum body with a 3.5-inch diameter and an 8-inch length, providing a compact yet effective design. It includes a female o-ring inlet fitting and a male insert o-ring outlet fitting, both sized at 3/4 inch to match OEM connections. The unit comes equipped with a switch port, allowing integration with the vehicle’s A/C pressure switch system. Two sets of green o-rings are included to ensure a secure, leak-free installation. This accumulator is compatible with Chevrolet and GMC full-size trucks such as the C35, C1500, C2500, C3500, K1500, K2500, and K3500 models.
Common Applications and Issues Addressed
- Prevents moisture and debris from entering the A/C system
- Protects the compressor from damage caused by contaminants
- Helps maintain proper refrigerant flow and pressure
- Reduces risk of system freeze-ups and blockages
- Supports efficient HVAC system operation in Chevrolet and GMC trucks
Installation Notes and Tips
Installation of the Four Seasons Accumulator 33133 requires matching the inlet and outlet fittings to the vehicle’s A/C lines, ensuring the female and male o-ring connections are properly seated. Use the included green o-rings to prevent leaks. Note that mounting hardware is not included and must be sourced separately. It is recommended to evacuate and recharge the A/C system following installation to maintain system integrity and performance.
Quality Assurance and Warranty
This Four Seasons accumulator meets or exceeds OEM specifications, ensuring reliable fit and function. Manufactured from durable aluminum, it is designed for long service life under typical operating conditions. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.
| Brand | Four Seasons |
| Part Number | 33133 |
| Position | Accumulator |
| Body Diameter | 3.500 |
| Body Length | 8.000 |
| 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 | 203.200 |
| 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 |
| Printed Foot Note | Swivel Top/Universal Accumulator also available Part No. [33705] - Tube kit not required. |
| Style | Complete Unit |
| Switch | w/ Switch Port |
| Switch Port Dia. IN | 0.250 |
| Switch Port Dia.MM | 6.350 |
| Type | Accumulator |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990 | Chevrolet | C1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Chevrolet | C2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Chevrolet | C35 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Chevrolet | C3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Chevrolet | K1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Chevrolet | K2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | Chevrolet | K3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | GMC | C1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | GMC | C2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | GMC | C3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | GMC | K1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | GMC | K2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1990 | GMC | K3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | C1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | C2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | C35 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | C3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | K1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | K2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | Chevrolet | K3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | GMC | C1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | GMC | C2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | GMC | C3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | GMC | K1500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | GMC | K2500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; Accumulator |
| 1989 | GMC | K3500 | N/A | Optional swivel top or universal A/C accumulator; no tube kit required.; 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.