The Emission System Check Valve is a device that prevents exhaust from forcing its way back through the air injection system, which would damage the pump and other components. Dorman's Emission System Check Valve is constructed to withstand the extreme under-hood conditions and function properly every time.
Features & Benefits:
Direct replacement for a proper fit every time
Helps restore emissions system to proper operation
Constructed of high quality materials for resistance to oil and heat
Quality-tested to ensure trouble-free installation and durability
Attention California Customers - WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov