Four Seasons 58274 A/C Compressor

Overview of Four Seasons New Compressor 58274

The Four Seasons New Compressor 58274 is designed for reliable air conditioning performance in select GM vehicles. Engineered to work with R134a refrigerant, this A/C compressor is compatible with popular models like the Buick Century, Chevrolet Celebrity, Oldsmobile Cutlass Ciera, and Pontiac Fiero.

• Compatible refrigerant type: R134a
• Includes oil filled with PAG 150 compatible refrigerant oil
• Pressure switch type with high pressure switch included
• 6-groove serpentine pulley for efficient belt engagement
• 12-volt coil voltage with spade terminal type
• Includes clutch assembly with a maximum diameter of 4.25 inches
• Ear mount installation with precise mounting distance of 29.21 mm
• Discharge and suction ports sealed with O-ring and sealing washers
• New V5 compressor type designed for GM applications

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to meet original equipment specifications. This product line focuses on delivering reliable HVAC performance with included components such as the clutch and pressure switch, ensuring a complete solution for air conditioning system repairs. The 58274 model exemplifies this approach by providing a fully assembled compressor ready for installation in compatible GM vehicles.

Detailed Product Description

The Four Seasons New Compressor 58274 is a V5 type compressor engineered specifically for GM vehicles including Buick, Chevrolet, Oldsmobile, and Pontiac models such as the Century, Celebrity, Cutlass Ciera, Cutlass Cruiser, and Fiero. It operates with R134a refrigerant and is pre-filled with PAG 150 oil to maintain optimal lubrication and system efficiency. The compressor features a 6-groove serpentine pulley with a diameter of approximately 107.95 mm, designed to match factory belt configurations. The included clutch assembly has a maximum diameter of 4.25 inches and is positioned 1.15625 inches from the mounting flange, facilitating proper engagement and operation. The unit uses a pressure switch type with a high pressure switch included, and the coil is powered by a 12-volt system with spade terminals for electrical connection. Both discharge and suction ports utilize O-ring and sealing washers to ensure leak-free operation. The compressor mounts via an ear mount style with a mounting distance of 29.21 mm, though mounting hardware is not included.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Buick Century and Chevrolet Celebrity
• Restores proper air conditioning function in Oldsmobile Cutlass Ciera and Cutlass Cruiser
• Solves clutch engagement problems in Pontiac Fiero A/C systems
• Addresses refrigerant leaks due to worn seals or O-rings
• Resolves insufficient cooling caused by compressor failure or oil contamination

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Ensure the system is evacuated and properly charged with R134a refrigerant
• Use PAG 150 oil as specified for optimal compressor lubrication
• Check and replace O-rings and sealing washers to prevent leaks
• Confirm electrical connections match the 12-volt spade terminal configuration
• Mount compressor using ear mount points; mounting hardware must be sourced separately

Quality Assurance and Warranty

The Four Seasons New Compressor 58274 is a brand-new replacement part manufactured to meet or exceed original equipment standards. It includes essential components such as the clutch and pressure switch to provide a comprehensive solution. While mounting hardware is not included, the compressor is designed for straightforward installation in compatible GM vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer to ensure protection against defects.