Four Seasons 78392 A/C Compressor

Overview of Four Seasons New Compressor 78392

The Four Seasons New Compressor 78392 is designed specifically for Land Rover vehicles including the Defender 90, Discovery, and Range Rover models. This A/C compressor ensures reliable air conditioning performance by using R134a refrigerant and comes oil filled with compatible Pag 46 refrigerant oil.

• Compatible with Land Rover Defender 90, Discovery, and Range Rover
• Refrigerant type: R134a
• Includes clutch and oil pre-filled with Pag 46 refrigerant oil
• 7-groove serpentine pulley for efficient belt engagement
• 12-volt coil with 1 wire lead terminal (pin type)
• Tangent mount type with pad mount suction and discharge ports
• Compressor type: 10pa17c Nippondenso
• Pulley diameter approximately 128.6 mm (5.0625 inches)

Detailed Product Description

This Four Seasons New Compressor 78392 is a new, direct replacement A/C compressor engineered for Land Rover vehicles such as the Defender 90, Discovery, and Range Rover. It features a 7-groove serpentine pulley designed to match factory belt configurations, ensuring proper fit and function. The compressor is pre-filled with Pag 46 oil, compatible with R134a refrigerant systems, and includes the clutch assembly with a maximum diameter of 5.0625 inches. The coil operates at 12 volts and uses a pin-type terminal with a single wire lead for straightforward electrical connection.

The compressor mounts using a tangent mount system with a 2.5-inch distance from clutch to mounting flange and a 63.5 mm mount distance, matching OEM specifications. Both suction and discharge ports are pad mount types, requiring the use of the original equipment manifold and an included compressor manifold port gasket (O-ring 24156). Mounting hardware is not included, so reuse of existing bolts is necessary.

Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new, factory-style replacement compressors designed to meet or exceed OEM standards. This product line focuses on delivering reliable performance and compatibility with specific vehicle makes and models. The 78392 compressor is part of this line, providing a direct fit solution for Land Rover A/C systems requiring the 10pa17c Nippondenso compressor type.

Common Applications and Issues Addressed

• Replacement for failed or leaking A/C compressors in Land Rover Defender 90, Discovery, and Range Rover
• Restores proper air conditioning cooling performance
• Resolves clutch engagement problems due to worn or damaged clutch assemblies
• Fixes refrigerant leaks caused by compressor seal failure
• Eliminates noise or vibration issues from worn compressor components

Installation Notes and Tips

• Ensure system is evacuated and flushed before installation to prevent contamination
• Use the original equipment manifold and replace the compressor manifold port gasket (O-ring 24156) during installation
• Verify serpentine belt condition and alignment with the 7-groove pulley
• Reuse existing mounting hardware as it is not included with this compressor
• Confirm electrical connections match the 12V coil with pin-type terminal and single wire lead

Quality Assurance and Warranty

The Four Seasons New Compressor 78392 is a brand-new component manufactured to meet OEM specifications for Land Rover vehicles. It is pre-filled with compatible refrigerant oil and includes the clutch assembly to ensure proper operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always verify warranty terms with the product documentation or supplier.