ACDelco GM Original Equipment Secondary Air Injection Check Valve helps prevent exhaust gases from flowing back through the air injection system, and are GM-recommended replacements for your vehicle's original components. These original equipment secondary air injection check valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

• Helps prevent exhaust from entering air pump
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function