Four Seasons 8403NK A/C Compressor Kit

Reliable A/C Compressor Kit for Nissan and Infiniti Vehicles

The Four Seasons Complete A/C Kit 8403NK is designed to restore efficient air conditioning performance in select Nissan and Infiniti models. This comprehensive kit includes a new compressor and essential components to ensure proper system operation with R134a refrigerant.

• Compatible with Nissan 370Z, EX35, EX37, FX35, FX37, G37, Q40, Q60, QX50, and QX70 models
• Includes new compressor (part 68682), filter drier (83134), and expansion valve (39426)
• Designed for R134a refrigerant systems
• Compressor features a 7-groove pulley with 4.53-inch outside diameter
• Comes with PAG 46 oil pre-filled for optimal lubrication
• Expansion device is block type with O-ring inlet and outlet fittings
• Receiver drier measures 1.625 inches in diameter and 9.125 inches in length with pad mount outlet fitting
• Limited lifetime warranty included

About the Four Seasons Complete A/C Kit Product Line

The Complete A/C Kit line from Four Seasons provides a full set of components necessary for a reliable air conditioning system replacement. This kit includes a new compressor, filter drier, and expansion valve, all matched to work together for proper refrigerant flow and system protection. The inclusion of compressor oil and precise component specifications ensures compatibility and performance for vehicles using R134a refrigerant.

Detailed Product Description

The Four Seasons 8403NK A/C Compressor Kit is engineered for Nissan and Infiniti vehicles equipped with R134a refrigerant systems. The compressor features a 7-groove pulley with a 4.53-inch outside diameter and a coil with a single wire lead for electrical connection. The kit includes PAG 46 oil pre-filled in the compressor to maintain lubrication and system longevity. The block-type expansion device uses O-ring inlet and outlet fittings to ensure a secure, leak-free connection. The receiver drier is designed with a 1.625-inch diameter and 9.125-inch length, featuring a pad mount outlet fitting sized at 0.402 inches. This kit provides all critical components needed to replace worn or failing A/C parts and restore proper cooling function.

Common Applications and Issues Addressed

• Replacement of a failing or noisy A/C compressor in Nissan 370Z, FX35, or G37
• Resolving low refrigerant flow due to clogged expansion valve or filter drier
• Fixing leaks or poor cooling performance caused by worn receiver drier
• Upgrading worn components to restore factory-level air conditioning efficiency
• Addressing compressor oil contamination or depletion in R134a systems

Installation Notes and Tips

Ensure the A/C system is properly evacuated and flushed before installing the new compressor kit. Verify compatibility with your specific Nissan or Infiniti model and year. Use the included PAG 46 oil and confirm the system is charged with R134a refrigerant. Check all O-ring seals on the expansion valve inlet and outlet for proper seating to prevent leaks. Follow manufacturer torque specifications for mounting components and electrical connections.

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 8403NK is backed by a limited lifetime warranty, providing confidence in the durability and reliability of the included compressor and components. Each part is manufactured to meet or exceed OEM specifications for fit, form, and function, ensuring long-term performance in Nissan and Infiniti air conditioning systems.