Four Seasons 78305 A/C Compressor

Overview of Four Seasons New Compressor 78305

The Four Seasons New Compressor 78305 is designed for reliable air conditioning performance in Chrysler, Dodge, and Plymouth vehicles. Specifically compatible with Caravan, Grand Caravan, Grand Voyager, and Voyager models, this A/C compressor supports R134a refrigerant systems and includes essential components for efficient operation.

• Compatible with R134a refrigerant and Pag 46 oil
• Includes oil pre-filled for immediate use
• Single groove pulley designed for V-belt drive systems
• Pin-type electrical terminal with 12V coil voltage
• Comes with clutch assembly included
• Pad mount suction and discharge ports for secure installation
• Coil features a 1 wire lead clock position and built-in diode
• Tangent mount type for proper alignment and fitment

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new, direct replacement compressors engineered to meet original equipment specifications. The 78305 model is part of this line, providing a complete A/C compressor solution with clutch and oil included. This ensures compatibility and reduces installation time for vehicles requiring a Nippondenso 10pa17c compressor type.

Technical Description and Features

This Four Seasons A/C compressor features a 5.25-inch clutch diameter and pulley lip diameter, designed to work with a 0.5-inch (12.7 mm) wide V-belt. The compressor is pre-filled with the correct amount of Pag 46 oil, compatible with R134a refrigerant systems. It includes a clutch assembly with a pin-type terminal and a coil voltage of 12 volts, featuring a 1 wire lead clock position and an integrated diode for electrical protection. The mounting type is tangent mount with a distance from clutch to mounting flange of approximately 0.953 inches (24.384 mm). Both suction and discharge ports are pad mount style, and the unit requires the use of the original equipment manifold gasket (O-ring number 24156) for proper sealing. Mounting hardware is not included.

Compatible Vehicles and Common Applications

• Chrysler Caravan and Grand Caravan
• Dodge Grand Caravan
• Plymouth Voyager and Grand Voyager

This compressor is designed to address common A/C system issues such as:

• Loss of cooling due to compressor failure
• Clutch engagement problems affecting A/C operation
• Leaks or damage in the compressor housing
• Electrical coil failure or diode issues
• Wear on pulley or belt components causing noise or slippage

Installation Notes and Tips

When installing the Four Seasons New Compressor 78305, ensure the use of the original equipment manifold port gasket (O-ring 24156) to prevent leaks. The compressor comes pre-filled with Pag 46 oil, but verify oil levels according to vehicle specifications. Note that mounting hardware is not included, so retain or source appropriate bolts and fasteners. Proper alignment of the tangent mount and V-belt tension is critical for optimal performance. This compressor may require the use of the original equipment manifold for correct fitment.

Quality Assurance and Warranty

Four Seasons New Compressor 78305 is a new, direct replacement part manufactured to meet OEM standards. It includes a clutch assembly and is pre-filled with compatible refrigerant oil to ensure immediate functionality. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.