Four Seasons 58977 A/C Compressor

Reliable A/C Compressor for Pontiac Sunbird

The Four Seasons New Compressor 58977 is designed specifically for the Pontiac Sunbird, providing efficient air conditioning performance. This new A/C compressor is engineered to meet OEM specifications and ensure proper fitment and function.

• Compatible with R134a refrigerant
• Includes oil filled with PAG 150 refrigerant oil
• Single groove pulley with 5.125 inch diameter
• Pin-type electrical terminal for secure connection
• Ear mount installation with 1.859 inch clutch to mounting flange distance
• Includes clutch assembly with a maximum diameter of 5.125 inches
• 12-volt coil voltage with coil clock position at 2 o'clock
• V5 compressor type with V-belt pulley system
• Sealing washer type discharge and suction ports with included O-rings

Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand new, factory-quality A/C compressors designed to replace worn or damaged units. This product line focuses on delivering reliable performance with all necessary components included, such as the clutch and oil, to simplify installation and ensure compatibility. The New Compressor 58977 is part of this line, tailored for the Pontiac Sunbird's HVAC system requirements.

Product Details and Specifications

This Four Seasons A/C compressor (part number 58977) is engineered for use with R134a refrigerant and is pre-filled with PAG 150 oil to maintain optimal lubrication. The compressor features a single groove pulley with a diameter of 5.125 inches, compatible with V-belt drive systems. The clutch assembly is included and designed with a maximum diameter of 5.125 inches, ensuring proper engagement and operation. The unit mounts using an ear mount style with a precise distance of 1.859 inches from the clutch to the mounting flange, facilitating accurate fitment in the Pontiac Sunbird. Electrical connection is via a pin-type terminal, and the coil operates at 12 volts with a coil clock position set at 2 o'clock. Both the suction and discharge ports use sealing washers with included O-rings for leak prevention.

Common Applications and Issues Addressed

• Replacement of worn or failed A/C compressors in Pontiac Sunbird vehicles
• Restoring proper air conditioning cooling performance
• Resolving compressor clutch engagement problems
• Fixing refrigerant leaks due to damaged seals or O-rings
• Addressing noisy or inefficient compressor operation

Installation Notes and Tips

Ensure the system is properly evacuated and flushed before installing the new compressor to prevent contamination. Verify that the refrigerant oil type (PAG 150) is compatible with your system. The included clutch and oil simplify installation, but mounting hardware is not included and must be sourced separately. Confirm the coil clock position and terminal type match your vehicle’s wiring harness for proper electrical connection. After installation, recharge the system with R134a refrigerant and check for leaks at the sealing washer ports.

Quality Assurance and Warranty

The Four Seasons New Compressor 58977 is a brand new unit manufactured to meet or exceed OEM standards for durability and performance. It includes all necessary components such as the clutch and oil to ensure reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.