Four Seasons 33757 A/C Refrigerant Suction Hose

Four Seasons 33757 A/C Suction Hose Accumulator

Four Seasons 33757 is an accumulator with hose assembly for the A/C refrigerant suction side, built for R134a systems. It is an aluminum replacement that meets or exceeds OEM requirements and includes a service port for system service access.

Key Features

• Brand: Four Seasons Accumulator line
• Part number: 33757
• Refrigerant type: R134a
• Suction-side accumulator with hose assembly
• Aluminum construction
• Male insert O-ring inlet and outlet connections
• Service port included; quick disconnect service port type
• Meets or exceeds OEM specifications
• Fits 1998-1999 Chevrolet Prizm, accumulator and suction line with accumulator applications

Product Details

Four Seasons 33757 is an A/C refrigerant suction hose assembly designed for the accumulator side of the HVAC system. It uses a male insert O-ring inlet with M20x1.500 thread size and a male insert O-ring outlet with M27x2.000 thread size, along with green O-rings for sealing. The aluminum body measures 8.000 inches in length and 3.500 inches in diameter, and the assembly is supplied without a bracket, manifold, muffler, or switch port.

This part cross-references Gates 21798 and UAC HA10066C for the same application. It is listed for 1998-1999 Chevrolet Prizm, including accumulator and suction line with accumulator configurations, and the part number 33757 is also referenced across multiple aftermarket catalogs.

Common Issues This Part May Address

• Damaged or leaking suction hose assembly
• Failed accumulator-side refrigerant sealing at the O-ring connections
• Restricted or compromised A/C suction line flow
• Service port wear or access issues during HVAC service
• Corrosion or fatigue in the original aluminum hose assembly

Installation Notes and Tips

Verify refrigerant type, inlet and outlet thread sizes, and service port style before installation. Replace the O-ring seals with the correct R134a-compatible seals during service, and evacuate and recharge the system according to factory procedures after the repair. Confirm the vehicle uses the accumulator-side hose routing shown in the fitment data for 1998-1999 Chevrolet Prizm.

Quality Assurance

Four Seasons lists this accumulator hose assembly as meeting or exceeding OEM specifications, making it a direct replacement option for the confirmed Chevrolet Prizm applications.