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Four Seasons 33187 A/C Accumulator
Overview of Four Seasons Accumulator 33187
The Four Seasons Accumulator 33187 is designed to maintain optimal performance in your vehicle's A/C system. Engineered for select Buick, Chevrolet, Oldsmobile, and Pontiac models, this accumulator ensures efficient refrigerant flow and moisture removal.
- Brand: Four Seasons
- Brand Line: Accumulator
- Part Number: 33187
- Material: Durable aluminum construction
- Body Diameter: 3.5 inches (88.9 mm)
- Body Length: 9 inches (228.6 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: Included with 1/4 inch (6.35 mm) diameter
- O-Rings: Includes two green o-rings for inlet and outlet fittings
- Meets or exceeds OEM specifications
Detailed Product Description
This Four Seasons Accumulator 33187 is a complete unit designed to fit specific Buick, Chevrolet, Oldsmobile, and Pontiac vehicles such as the Caprice, Custom Cruiser, Delta 88, Impala, LeSabre, Parisienne, Regal, and Safari. Constructed from aluminum, it offers corrosion resistance and durability under typical automotive conditions. The accumulator features a 3.5-inch body diameter and a 9-inch length, providing the necessary volume to trap moisture and debris from the refrigerant. It includes a female o-ring inlet fitting and a male insert o-ring outlet fitting, both sized at 3/4 inch, ensuring a secure and leak-free connection. The unit also comes with a switch port, allowing integration with the vehicle’s A/C system monitoring components.
About the Four Seasons Accumulator Product Line
The Four Seasons Accumulator product line focuses on delivering reliable A/C system components that meet or exceed original equipment manufacturer (OEM) standards. This line is engineered to provide precise fitment and function for a range of domestic vehicles, including the Buick, Chevrolet, Oldsmobile, and Pontiac models listed. The Accumulator line emphasizes quality materials and design to support efficient refrigerant management and system longevity.
Common Applications and Issues Addressed
- Prevents moisture and debris from entering the A/C compressor
- Helps maintain proper refrigerant flow and pressure
- Reduces risk of compressor damage due to contaminants
- Supports consistent cooling performance in Buick, Chevrolet, Oldsmobile, and Pontiac A/C systems
- Addresses issues related to refrigerant leaks and system inefficiency
Installation Notes and Tips
- Ensure compatibility with your specific vehicle make and model before installation
- Use the included green o-rings ([24650] and [24612]) to ensure proper sealing
- Mounting hardware is not included; reuse existing hardware or source appropriate fasteners
- Inspect the A/C system for leaks and contamination before installing the accumulator
- Follow manufacturer torque specifications for inlet and outlet fittings
Quality Assurance and Warranty
The Four Seasons Accumulator 33187 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured from high-quality aluminum, this part is designed to withstand typical automotive operating conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty covering defects in material and workmanship. Verify warranty terms with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 33187 |
| 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 | Female O-Ring |
| Inlet IN | 0.750 |
| Inlet MM | 19.050 |
| Length MM | 228.600 |
| 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 41 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1990 | Buick | LeSabre | Wagon | 5.0L | V8 | N/A | Accumulator |
| 1990 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1989 | Buick | LeSabre | Wagon | 5.0L | V8 | N/A | Accumulator |
| 1989 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1989 | Pontiac | Safari | N/A | Accumulator | |||
| 1988 | Buick | LeSabre | Wagon | 5.0L | V8 | N/A | Accumulator |
| 1988 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1988 | Pontiac | Safari | N/A | Accumulator | |||
| 1987 | Buick | LeSabre | Wagon | 5.0L | V8 | N/A | Accumulator |
| 1987 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1987 | Pontiac | Safari | N/A | Accumulator | |||
| 1986 | Buick | LeSabre | Wagon | 5.0L | V8 | N/A | Accumulator |
| 1986 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1986 | Pontiac | Parisienne | N/A | Accumulator | |||
| 1985 | Buick | LeSabre | Sedan | 5.7L | V8 | N/A | Accumulator |
| 1985 | Buick | LeSabre | Wagon | 5.7L | V8 | N/A | Accumulator |
| 1985 | Buick | LeSabre | Coupe | 5.7L | V8 | N/A | Accumulator |
| 1985 | Buick | LeSabre | Sedan | 5.0L | V8 | N/A | Accumulator |
| 1985 | Buick | LeSabre | Wagon | 5.0L | V8 | N/A | Accumulator |
| 1985 | Buick | LeSabre | Coupe | 5.0L | V8 | N/A | Accumulator |
| 1985 | Buick | Regal | Coupe | 5.7L | V8 | N/A | Accumulator |
| 1985 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1985 | Chevrolet | Impala | N/A | Accumulator | |||
| 1985 | Oldsmobile | Custom Cruiser | N/A | Accumulator | |||
| 1985 | Oldsmobile | Delta 88 | N/A | Accumulator | |||
| 1985 | Pontiac | 6000 | 2.8L | V6 | N/A | Only compatible with automatic A/C equipped vehicles.; Accumulator | |
| 1985 | Pontiac | Parisienne | N/A | Accumulator | |||
| 1984 | Buick | LeSabre | Sedan | 5.7L | V8 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Coupe | 5.7L | V8 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Coupe | 3.8L | V6 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Sedan | 5.0L | V8 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Coupe | 5.0L | V8 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Sedan | 4.1L | V6 | N/A | Accumulator |
| 1984 | Buick | LeSabre | Coupe | 4.1L | V6 | N/A | Accumulator |
| 1984 | Chevrolet | Caprice | N/A | Accumulator | |||
| 1984 | Oldsmobile | 98 | 5.0L | V8 | N/A | Accumulator | |
| 1984 | Oldsmobile | Custom Cruiser | N/A | Accumulator | |||
| 1984 | Oldsmobile | Delta 88 | N/A | Accumulator | |||
| 1984 | Pontiac | Parisienne | 5.0L | V8 | N/A | Accumulator | |
| 1984 | Pontiac | Parisienne | 3.8L | V6 | 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.