Four Seasons 33166 A/C Accumulator

Overview of Four Seasons Accumulator 33166

The Four Seasons Accumulator 33166 is designed to maintain optimal performance in your vehicle's A/C system. Engineered for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, this A/C accumulator ensures efficient refrigerant flow and moisture removal.

• Brand: Four Seasons
• Brand Line: Accumulator
• Part Number: 33166
• Body Diameter: 3.5 inches (88.9 mm)
• Body Length: 9 inches (228.6 mm)
• Material: Aluminum
• 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, 1/4 inch (6.35 mm) diameter
• O-Rings Included: Two green o-rings for inlet and outlet
• Meets or exceeds OEM specifications

Detailed Product Description

This Four Seasons A/C Accumulator 33166 is a complete aluminum unit designed to fit specific models such as the Buick Century, Chevrolet Astro, GMC Safari, Oldsmobile Cutlass Ciera, and Pontiac Celebrity. The accumulator features a 3.5-inch diameter and 9-inch length body, providing ample capacity for refrigerant and moisture separation. It includes a female o-ring inlet fitting and a male insert o-ring outlet fitting, both sized at 3/4 inch to ensure a secure and leak-free connection. The unit also comes with a switch port measuring 1/4 inch in diameter, allowing for integration with the vehicle's A/C system switch. Two green o-rings are included for proper sealing during installation. Constructed from durable aluminum, this accumulator meets or exceeds OEM standards, ensuring reliable operation within your vehicle's HVAC system.

Compatible Vehicles and Applications

This accumulator is compatible with a range of GM vehicles, including:

• Buick Century
• Chevrolet Astro
• GMC Safari
• Oldsmobile Cutlass Ciera and Cutlass Cruiser
• Pontiac Celebrity

It is specifically designed for use in the A/C systems of these models to help maintain proper refrigerant flow and moisture control.

Common Issues Addressed by the Accumulator

• Prevents moisture contamination in the A/C system
• Helps avoid compressor damage caused by liquid refrigerant
• Maintains consistent refrigerant flow for efficient cooling
• Reduces risk of system blockages and corrosion
• Supports proper operation of the A/C pressure switch

Installation Notes and Tips

• Ensure the accumulator is compatible with your vehicle make and model before installation
• Replace all O-rings with the included green o-rings to prevent leaks
• Do not reuse mounting hardware; new hardware is not included
• Check for proper orientation of inlet and outlet fittings during installation
• Verify the switch port connection is secure and properly sealed

Quality Assurance and Warranty

The Four Seasons Accumulator 33166 is manufactured to meet or exceed OEM specifications, providing dependable performance in your vehicle's HVAC system. Constructed from high-quality aluminum, it offers durability and corrosion resistance. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or contact the manufacturer for exact warranty terms.

Note: A swivel top/universal accumulator is also available under part number 33705 for alternative applications.