Four Seasons 33176 A/C Accumulator

Four Seasons 33176 A/C Accumulator Kit

Four Seasons 33176 is an aluminum A/C accumulator kit for tank-and-tube HVAC systems. It is built to meet or exceed OEM requirements and uses female O-ring inlet and outlet connections for a direct-service replacement on select GM, Buick, Cadillac, Oldsmobile, and Pontiac applications.

The Four Seasons Accumulator line focuses on correct fit, OE-style connection points, and service-ready construction for classic R-12 and retrofit-era air conditioning systems. This 33176 accumulator is a practical choice when replacing a leaking or restricted accumulator on vehicles such as the Chevrolet Chevette, Pontiac T1000, and Chevrolet Camaro.

Key Features

• Part number 33176 A/C accumulator kit
• Aluminum body construction
• Female O-ring inlet and outlet fittings
• Switch port included; no service port
• Tank and tube kit style
• Meets or exceeds OEM specifications
• Body diameter: 3.500 in. / 88.900 mm
• Body length: 9.000 in. / 228.600 mm

Detailed Description

This Four Seasons accumulator is engineered for vehicles that use a tank-and-tube A/C layout with female O-ring connections and a switch port. The aluminum housing helps maintain a durable, OE-style replacement profile, while the listed dimensions and fitting sizes support accurate service on the correct application. Cross-reference part numbers include Gates 21335 and UAC RD5000KTU for the same application.

Compatible With select 1976-1987 Chevrolet Chevette, Pontiac T1000, Chevrolet Impala, Chevrolet Caprice, Chevrolet Camaro, Pontiac Firebird, Buick Regal, Cadillac Seville, and Oldsmobile Cutlass applications. It also applies to other listed GM platforms including the Chevrolet Corvette, Pontiac Grand Prix, Buick Riviera, and Oldsmobile Toronado. Search terms such as “1981 Chevrolet Chevette A/C accumulator,” “1977-1983 Pontiac Bonneville accumulator kit,” and “1977-1981 Chevrolet Camaro HVAC accumulator” align with this part’s fitment profile.

What It Helps Address

• Refrigerant loss from a leaking accumulator housing or fittings
• Restricted A/C flow caused by internal contamination or wear
• Incorrect fitment when replacing a tank-and-tube accumulator
• Service issues related to worn female O-ring connections
• Fault codes or control concerns tied to the switch port location

Installation Notes and Tips

Verify the vehicle’s A/C system uses a tank-and-tube accumulator with female O-ring inlet and outlet fittings before ordering. Confirm body length, diameter, and switch-port configuration against the original unit. Replace the O-rings with the correct seals for the application, evacuate the system, and recharge with the specified refrigerant and oil type after installation.

Quality Assurance

Four Seasons lists this accumulator as meeting or exceeding OEM requirements, making it a direct-fit replacement option for the specified applications. The Four Seasons 33176 is built for accurate service on compatible GM-era A/C systems and supports dependable HVAC restoration work.