OPparts 40551276 A/C Expansion Valve Thermal Expansion Valve TXV

The OPparts 40551276 is an OEM-quality air conditioning expansion valve (also known as a thermal expansion valve, or TXV) designed to meet or exceed original equipment specifications for compatible Nissan and Infiniti vehicles.

The expansion valve is a critical component of the vehicle's air conditioning system. It regulates the flow of refrigerant into the evaporator core, dropping refrigerant pressure and temperature to enable efficient cabin cooling. A faulty expansion valve can result in poor A/C performance, warm air from the vents, or compressor damage.

Key Features:

• OEM-equivalent fit, form, and function for precise replacement
• Manufactured to strict quality control standards for reliable, long-lasting performance
• Restores proper refrigerant flow and cooling efficiency
• Direct drop-in replacement — no modifications required
• Compatible with standard R-134a refrigerant systems

OPparts is a trusted OEM-grade parts brand with extensive coverage for Asian nameplate vehicles. The 40551276 expansion valve is an ideal solution for restoring factory A/C performance.