Four Seasons 77594 A/C Compressor

Reliable A/C Compressor for Dodge D250, D350, W250, and W350

The Four Seasons Reman Compressor 77594 is designed to restore your vehicle's air conditioning system with precision. Engineered for Dodge D250, D350, W250, and W350 models, this remanufactured A/C compressor ensures compatibility and performance with R134a refrigerant systems.

• Compatible with R134a refrigerant and PAG 100 oil
• Includes oil pre-filled for optimal lubrication
• Equipped with an 8-groove serpentine pulley
• Features a 12-volt coil with a 1-wire lead terminal
• Comes with clutch included, maximum diameter 4.75 inches
• Tangent mount type with precise mounting distance of 21.59 mm
• Discharge and suction ports sealed with green O-rings
• Designed as a remanufactured Sanden/Sankyo SD709 compressor

Four Seasons Reman Compressor Product Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that meet strict quality standards. These compressors are rebuilt to original equipment specifications, providing a cost-effective alternative to new units without compromising reliability. The 77594 model maintains the integrity of the original Sanden/Sankyo SD709 compressor design, ensuring proper fit and function for compatible Dodge trucks.

Detailed Product Features and Specifications

This Four Seasons A/C compressor is specifically designed for Dodge D250, D350, W250, and W350 trucks using R134a refrigerant. It comes pre-filled with PAG 100 oil to ensure proper lubrication from the start. The compressor features an 8-groove serpentine pulley with a diameter of 120.65 mm (4.75 inches), matching the original equipment specifications. The clutch assembly is included, with a maximum diameter of 4.75 inches and a clutch-to-mounting flange distance of approximately 0.86 inches. The coil operates at 12 volts and uses a single wire lead terminal for electrical connection. Mounting is tangent style with a precise 21.59 mm mount distance, and the discharge and suction ports are sealed with green O-rings for leak prevention.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Dodge D250, D350, W250, and W350 trucks
• Replaces failing or noisy compressors in R134a systems
• Solves clutch engagement problems with included clutch assembly
• Addresses refrigerant leaks at compressor ports with new O-rings
• Improves serpentine belt compatibility with 8-groove pulley design

Installation Notes and Tips

Ensure the A/C system is properly evacuated and flushed before installing the remanufactured compressor. Verify compatibility with R134a refrigerant and PAG 100 oil type. The Four Seasons 77594 compressor does not include mounting hardware, so retain original bolts or source replacements as needed. Check the clutch coil voltage and wiring connections to match the 12-volt, 1-wire lead terminal configuration. Proper torque specifications should be followed to avoid mounting flange damage.

Quality Assurance and Warranty

The Four Seasons Reman Compressor 77594 undergoes rigorous remanufacturing processes to meet OEM standards. Each unit is tested for performance and leak integrity before shipment. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to ensure customer confidence and product reliability.