Nissens 999553 A/C Expansion Valve

Nissens A/C Expansion Valve for Hyundai Accent

Nissens part number 999553 is a thermal expansion valve for R134A air conditioning systems. It is built to OE-matching standards for pressure performance, tightness, opening behavior, set-point accuracy, and internal finish, making it a direct service part for the Hyundai Accent A/C system.

Key Features

• Refrigerant type: R134A
• Includes O-rings and mounting hardware where applicable
• O-ring fitment: 4 included
• Manufactured and tested for pressure control, sealing, and valve response
• OE-style replacement for Hyundai Accent A/C service
• Part number 999553 for easy lookup and ordering

Product Details

This Nissens thermal expansion valve regulates refrigerant flow into the evaporator to help maintain proper A/C system operation. It is a strong match for 2000-2005 Hyundai Accent applications, including the listed inlet and outlet dimensions, and it cross-references Hyundai OE numbers 976041C100 and 9760425000 for the same application. If you are servicing a Hyundai Accent with weak cooling, unstable vent temperatures, or a valve that no longer meters refrigerant correctly, Nissens 999553 provides a precise replacement built around the original system requirements.

Common A/C Issues It Can Address

• Warm air from the vents during A/C operation
• Erratic cabin temperature control
• Restricted refrigerant flow at the evaporator
• Improper system pressure balance
• Leak points at the valve sealing surfaces

Installation Notes

Verify refrigerant type, inlet and outlet dimensions, and system cleanliness before installation. Replace the valve only after recovering the refrigerant and opening the system according to proper A/C service procedures. Inspect the mating surfaces, use the included O-rings, and confirm correct torque on the mounting points. This part fits 2000-2005 Hyundai Accent, N/A.

Quality Assurance

Nissens validates each expansion valve for pressure performance, tightness, opening characteristics, set-point accuracy, and internal finish to match OE expectations. Part number 999553 is produced to support consistent A/C system control in Hyundai Accent service applications.