1551325 AC Expansion Valve for GMC Sierra Chevy Tahoe Silverado 1500 14 to 16

Product Overview

This AC Expansion Valve Kit regulates refrigerant flow into the evaporator, essential for restoring cold air in 2014-2016 GMC Sierra, Chevy Tahoe, and Silverado 1500 vehicles. The AC expansion valve kit replaces a clogged or faulty valve that causes weak cooling or no cold air. It is designed for owners and technicians of these models needing a precise, OEM-spec replacement.

Key Features & Performance

• Direct-fit replacement matches OEM dimensions and calibration
• Restores consistent cooling and cabin comfort in affected vehicles
• Constructed with corrosion-resistant materials for long service life under high pressure and temperature
• Kit includes expansion valve and required O-rings/seals for a leak-free installation
• Prevents compressor damage caused by improper refrigerant flow and liquid slugging
• Simple installation with no modifications when replacing the original factory valve

Fitment & Compatibility

• 2014-2016 GMC Sierra 1500
• 2014-2016 Chevrolet Tahoe
• 2014-2016 Chevrolet Silverado 1500

Common Uses

• Automotive air conditioning repair and restoration
• Replacing a stuck or restricted thermal expansion valve causing warm air
• DIY and professional AC service on GM full-size trucks and SUVs
• Installation following evaporator or compressor replacement to ensure proper system performance
• Routine AC maintenance to safeguard against overheating and compressor failure

Technical Specifications

• Part Number(s): 15-51325
• Refrigerant Type: R-134a
• Valve Type: Block-style thermal expansion valve (TXV)

Frequently Asked Questions

Q: How can I tell if my expansion valve needs to be replaced? A: Common symptoms include intermittent or no cold air, frost forming on the evaporator core, or a hissing noise after the AC is turned off.

Q: Is this expansion valve kit ready to install out of the box? A: Yes, the kit includes the valve and necessary seals. Professional installation with proper refrigerant recovery, vacuum, and recharge is strongly recommended.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.