Four Seasons 33150 A/C Accumulator

Four Seasons 33150 A/C Accumulator

Four Seasons 33150 is a complete A/C accumulator for select Audi, Chevrolet, and GMC applications. It is built with an aluminum body, OEM-matching dimensions, and the correct inlet and outlet fitting styles for direct replacement service.

Four Seasons Accumulator line parts are built for HVAC service where accurate fit and OE-style connections matter. This unit meets or exceeds OEM requirements and includes a switch port for systems that use that connection.

Key Features

• Part number 33150 A/C accumulator
• Aluminum construction for HVAC durability
• Complete unit with female O-ring inlet and male insert O-ring outlet
• Switch port included; no service port
• Body diameter: 3.500 in. | Body length: 8.000 in.
• Meets or exceeds OEM specifications
• Direct-fit dimensions: 88.900 mm diameter and 203.200 mm length

Detailed Description

This Four Seasons accumulator is used in the low-side A/C circuit to store refrigerant vapor and help keep liquid refrigerant out of the compressor. The 33150 uses a female O-ring inlet, male insert O-ring outlet, and 1-1/16" - 14 outlet thread size, making it a practical replacement for systems that require the original connection style. It also includes the specified green O-ring service seals and is built as a complete unit for straightforward HVAC repair work.

Fitment coverage includes 1991-1993 Chevrolet C1500, 1991-1993 Chevrolet K1500, 1992-1993 Chevrolet Blazer, 1991-1993 GMC C1500, 1991-1993 GMC K1500, and 1988-1993 Audi 90 and 80 series applications. It also fits 1992-1993 GMC Yukon and related C/K truck and Suburban models listed in the fitment data. This part number 33150 is a direct replacement choice for technicians servicing older truck and passenger-car A/C systems.

This part cross-references Monroe Shocks & Struts 172752 for the same application.

Common Repair Uses

• Restoring A/C system refrigerant control after accumulator failure
• Replacing a leaking or corroded aluminum accumulator housing
• Correcting poor compressor protection caused by internal moisture saturation
• Repairing damaged inlet or outlet O-ring connections
• Servicing vehicles with a failed switch-port-equipped accumulator

Installation Notes and Tips

Verify the inlet and outlet fitting style, body size, and switch-port configuration before installation. Replace the O-rings with the correct refrigerant-compatible seals during service, evacuate the system, and recharge to the vehicle manufacturer specification. Confirm the accumulator location and system layout against the vehicle’s HVAC configuration before final assembly.

Quality Assurance

Four Seasons 33150 is manufactured to meet or exceed OEM requirements for the listed applications. The Four Seasons Accumulator line is built for accurate replacement fitment in A/C service work.