Dorman Engine Variable Timing Solenoid Filters are quality-engineered for years of continued use and long service life. They are designed to provide trouble-free installation and allows the engine to perform faster and more efficiently, by sealing the VTEC solenoid to the cylinder head to continuously filter the flow of oil throughout the engine. Additionally, our variable timing solenoid filter is a direct replacement and returns your vehicle to normal operation. Our solutions are thoroughly tested and inspected, and if you experience any difficulty installing or using our parts, we have a dedicated technical support team of ASE Blue Seal certified professionals ready to help. To learn more about our quality and innovation, visit DormanProducts.com.