Four Seasons 78378 A/C Compressor

Overview of Four Seasons New Compressor 78378

The Four Seasons New Compressor 78378 is designed specifically for Chrysler, Dodge, and Plymouth vehicles, including the Neon and PT Cruiser models. This A/C compressor is engineered to work with R134a refrigerant and comes fully equipped with essential components for reliable HVAC system performance.

• Compatible with R134a refrigerant and Pag 46 oil type
• Includes oil pre-filled for immediate installation
• Features a 4-groove serpentine pulley with a 5-inch clutch diameter
• Equipped with a 12-volt coil and pin-type terminal
• Designed as a 10s17c Nippondenso compressor with tangent mount
• Includes clutch and O-rings for proper sealing
• Pad mount suction and discharge ports for secure connections

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new, direct replacement compressors designed to meet or exceed OEM specifications. The 78378 model is part of this line, providing a complete solution with clutch and oil included, ensuring compatibility and ease of installation for vehicles like the Chrysler Neon and Dodge PT Cruiser. This line focuses on delivering reliable HVAC performance with components matched to original equipment standards.

Technical Specifications and Features

This Four Seasons A/C compressor uses R134a refrigerant and is compatible with Pag 46 refrigerant oil, which is included pre-filled to facilitate installation. The compressor features a 4-groove serpentine pulley with a 127 mm diameter, a 5-inch clutch maximum diameter, and a 1.453-inch distance from clutch to mounting flange. It operates on a 12-volt coil with a single wire lead and pin-type terminal for electrical connection. The compressor is a Nippondenso 10s17c type with tangent mount style, designed for pad mount suction and discharge ports. The package includes one gasket O-ring each for ports 24068 and 24069, but mounting hardware is not included.

Applications and Common Issues Addressed

• Replacement for failing or noisy A/C compressors in Chrysler Neon and Dodge PT Cruiser
• Restores proper air conditioning cooling performance
• Solves issues related to compressor clutch failure or slipping
• Addresses refrigerant leaks due to worn seals or O-rings
• Eliminates compressor seizure caused by oil contamination or wear

Installation Notes and Tips

Installation of the Four Seasons New Compressor 78378 requires attention to proper mounting and electrical connections. The clutch and oil are included, but mounting hardware must be sourced separately. It may be necessary to use the original equipment manifold for proper fitment. Ensure the system is evacuated and recharged with R134a refrigerant and compatible Pag 46 oil. Verify the serpentine belt alignment on the 4-groove pulley and confirm the coil voltage matches the vehicle’s electrical system.

Quality Assurance and Warranty

Four Seasons provides this new compressor with quality assurance to meet OEM standards. The product is new, not remanufactured, and includes all necessary sealing components to ensure leak-free operation. While mounting hardware is not included, the compressor is designed for direct replacement in specified Chrysler, Dodge, and Plymouth models. Warranty details should be confirmed with the distributor or manufacturer.