Four Seasons 78397 A/C Compressor

Overview of Four Seasons New Compressor 78397

The Four Seasons New Compressor 78397 is designed specifically for select Lexus and Toyota models, including the Land Cruiser, LS400, and LX470. This A/C compressor is engineered to work with R134a refrigerant and comes fully oil filled with compatible Pag 46 refrigerant oil, ensuring reliable performance in your vehicle's HVAC system.

• Compatible with Lexus Land Cruiser, LS400, and Toyota LX470
• Refrigerant type: R134a
• Includes clutch and oil filled with Pag 46 refrigerant oil
• 6-groove serpentine pulley with 4.5-inch diameter
• 12-volt coil with pin terminal and 1 wire lead coil clock position
• Tangent mount type with pad mount suction and discharge ports
• New compressor type 10pa20c, Nippondenso style

Detailed Product Description

The Four Seasons New Compressor 78397 is a Nippondenso 10pa20c type A/C compressor designed for precise fitment on Lexus Land Cruiser, LS400, and Toyota LX470 models. It operates on R134a refrigerant and is pre-filled with Pag 46 oil, which is compatible with the system requirements. The compressor features a 6-groove serpentine pulley with a 4.5-inch diameter, ensuring proper belt alignment and efficient power transfer. The clutch assembly is included, with a maximum diameter of 4.5 inches and a distance of approximately 1.59 inches from clutch to mounting flange, facilitating straightforward installation.

The compressor uses a tangent mount style with pad mount suction and discharge ports, designed to match OEM specifications. The coil operates at 12 volts with a pin terminal and a single wire lead coil clock position, simplifying electrical connections. Note that mounting hardware is not included, and installation may require the use of the original equipment manifold gasket (O-ring 24156) for proper sealing.

Four Seasons New Compressor Product Line

The New Compressor line from Four Seasons focuses on delivering brand-new, direct replacement compressors that meet or exceed OEM standards. This product line emphasizes compatibility and reliability for specific vehicle applications, such as the Lexus Land Cruiser, LS400, and Toyota LX470. The 78397 model exemplifies this approach by providing a fully assembled compressor with clutch and oil included, designed to integrate seamlessly with existing HVAC systems.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Lexus Land Cruiser, LS400, and Toyota LX470
• Restores proper refrigerant flow and pressure in R134a systems
• Resolves clutch engagement problems due to worn or damaged components
• Eliminates oil leaks and compressor inefficiency caused by old or contaminated oil
• Addresses pulley or belt slippage issues with the included 6-groove serpentine pulley

Installation Notes and Tips

• Verify compatibility with your vehicle’s make, model, and year before installation
• Use the original equipment manifold port gasket (O-ring 24156) to ensure a proper seal
• Check belt alignment and tension on the 6-groove serpentine pulley during installation
• Ensure electrical connections match the pin terminal and 12-volt coil specifications
• Mounting hardware is not included; reuse existing hardware or source OEM parts as needed

Quality Assurance and Warranty

The Four Seasons New Compressor 78397 is a brand-new component manufactured to meet OEM specifications for fit, form, and function. It includes a fully assembled clutch and is pre-filled with compatible refrigerant oil to support immediate installation and operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.