Four Seasons 33186 A/C Accumulator

Reliable A/C Accumulator for Buick, Cadillac, Chevrolet, and More

The Four Seasons Accumulator 33186 is designed to maintain optimal performance in your vehicle's air conditioning system. Engineered for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, this A/C accumulator ensures efficient refrigerant flow and moisture removal.

• Brand: Four Seasons
• Brand Line: Accumulator
• Part Number: 33186
• Body Diameter: 3.5 inches (88.9 mm)
• Body Length: 9 inches (228.6 mm)
• Material: Durable aluminum construction
• 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 Diameter: 1/4 inch (6.35 mm)
• Includes green o-rings for inlet and outlet fittings
• Meets or exceeds OEM specifications

Four Seasons Accumulator Product Line Overview

The Four Seasons Accumulator line focuses on providing complete A/C accumulator units that meet or exceed original equipment manufacturer standards. This ensures compatibility and reliable operation within the vehicle’s HVAC system. The 33186 model is crafted from aluminum for corrosion resistance and durability, making it suitable for long-term use in various GM vehicles.

Detailed Product Description

The Four Seasons Accumulator 33186 is a complete unit designed to trap moisture and debris from the refrigerant in your vehicle’s air conditioning system. Its aluminum body measures 3.5 inches in diameter and 9 inches in length, providing ample capacity for effective moisture absorption. The inlet and outlet fittings use green o-rings to ensure a secure, leak-free connection. The inlet fitting is a female o-ring type with a 3/4 inch diameter, while the outlet fitting is a male insert o-ring also sized at 3/4 inch. Additionally, the accumulator includes a switch port with a 1/4 inch diameter to accommodate system pressure switches.

Compatible Vehicles and Common Applications

• Buick Century, Skylark, and Regal models
• Cadillac Calais and Cimarron
• Chevrolet Cavalier, Celebrity, and J2000 Sunbird
• Oldsmobile Cutlass Calais and Cutlass Ciera
• Pontiac Grand Am, Firenza, Skyhawk, and Sunbird

This accumulator is designed to address issues such as refrigerant contamination, moisture buildup, and inconsistent A/C performance in these vehicles.

Installation Notes and Tips

• Ensure the system is fully evacuated before installation to prevent moisture contamination.
• Use the included green o-rings to maintain a proper seal on inlet and outlet fittings.
• Mounting hardware is not included; verify compatibility with existing brackets.
• Check the switch port diameter (1/4 inch) for proper switch fitment.
• Follow vehicle-specific service manual instructions for safe and correct installation.

Quality Assurance and Warranty

The Four Seasons Accumulator 33186 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured from corrosion-resistant aluminum, this part is built to withstand the demands of automotive HVAC systems. While mounting hardware is not included, the unit is designed for straightforward integration with compatible GM vehicles. Warranty details should be confirmed with the product documentation or supplier.