Four Seasons 58638 A/C Compressor

Reliable Four Seasons New Compressor for Automotive A/C Systems

The Four Seasons New Compressor 58638 is designed to restore efficient air conditioning performance in vehicles using R134a refrigerant. Engineered for compatibility with Pag 100 oil and featuring a complete oil fill, this A/C compressor supports reliable cooling and system longevity.

• Compatible refrigerant type: R134a
• Includes oil fill with Pag 100 compatible refrigerant oil
• Single groove pulley designed for V-belt drive systems
• Bullet-type electrical terminal with 12V coil voltage
• Includes clutch assembly with a maximum diameter of 5 inches
• Ear mount installation type with a 2.34375 inch distance from clutch to mounting flange
• Top-vertical O-ring compressor head configuration
• O-ring type suction and discharge ports with included green O-rings
• New, not remanufactured, Sanden/Sankyo SD508 compressor type

Four Seasons New Compressor Product Line Overview

The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to meet or exceed original equipment specifications. This product line focuses on delivering reliable performance and compatibility with a wide range of vehicle HVAC systems. The 58638 model is part of this line, providing a fresh compressor solution with included clutch and oil fill to simplify installation and ensure system readiness.

Detailed Product Description and Specifications

The Four Seasons 58638 A/C compressor is engineered for vehicles requiring R134a refrigerant and Pag 100 oil. It features a single-groove pulley compatible with V-belt drive systems and a bullet-type terminal for straightforward electrical connections. The clutch assembly is included, with a maximum diameter of 5 inches, and the coil operates at 12 volts with a one-wire lead configuration. The compressor uses an ear mount style with a precise 2.34375 inch distance from clutch to mounting flange, ensuring proper fitment. Both suction and discharge ports utilize O-ring seals, with green O-rings included for secure connections. This Sanden/Sankyo SD508 type compressor is new and ready to replace worn or failed units in compatible vehicles.

Common Applications and Issues Addressed

• Replacement for failed or leaking A/C compressors in vehicles using R134a refrigerant
• Restores proper clutch engagement and compressor operation
• Solves issues related to insufficient cooling or compressor noise
• Addresses oil contamination or loss within the A/C system
• Resolves pulley or belt slippage due to worn compressor components

Installation Notes and Tips

Ensure the vehicle’s A/C system is properly evacuated and flushed before installing the new compressor. Verify compatibility with the vehicle’s refrigerant and oil specifications, specifically R134a and Pag 100 oil. The Four Seasons 58638 compressor includes oil fill and clutch assembly but does not include mounting hardware, so retain or source necessary bolts and fasteners. Confirm the pulley groove and belt type match the vehicle’s existing setup. Properly torque mounting bolts and check electrical connections to the bullet terminal for secure engagement.

Quality Assurance and Warranty Information

Four Seasons New Compressor 58638 units are manufactured to meet OEM standards for fit, form, and function. Each compressor is new and includes factory-installed oil and clutch components to ensure immediate compatibility. While specific warranty details may vary, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or supplier information for exact warranty terms.