Autotecnica TY0318821 Vacuum Switching Valve

Vacuum Switching Valve for Toyota and Lexus

The Autotecnica TY0318821 vacuum switching valve is a direct replacement part for emissions vacuum control systems on select Toyota and Lexus applications. It is built for buyers replacing a failed valve that can affect vacuum routing and engine operation.

• Direct replacement vacuum switching valve for emission control systems
• Fits select Toyota and Lexus models with 2-port configuration
• OE-style aftermarket alternative to expensive genuine components
• Autotecnica part number TY0318821 for easy identification

Fitment and application details

Compatible with a broad range of Toyota and Lexus vehicles, including Fits 1992-2006 Toyota Camry, N/A; Fits 1995-2005 Toyota Avalon, N/A; Fits 1998-2006 Toyota Sienna, N/A; Fits 1999-2006 Toyota Solara, N/A; Fits 2001-2007 Toyota Highlander, N/A; Fits 1992-2003 Lexus ES300, N/A; Fits 1999-2003 Lexus RX300, N/A; Fits 2004-2006 Lexus ES330, N/A; and Fits 2004-2006 Lexus RX330, N/A. The TY0318821 is a fitment-based replacement for vehicles using a 2-port vacuum switching valve in the emission control vacuum system.

This part cross-references Dorman - OE Solutions 911-612 and Standard Ignition VS147 for the same application.

Common replacement reasons

• Vacuum routing faults in the emission control system
• Check engine light concerns tied to valve performance
• Rough idle or drivability issues related to vacuum control
• Failed or leaking switching valve in a 2-port setup

Installation notes and quality assurance

Verify the port count and application details against the original part before installation. Confirm the vehicle match by year, make, and model, especially on Toyota Camry, Toyota Sienna, and Lexus RX300 applications. Autotecnica manufactures this part under ISO/TS 16949 quality management standards and backs it with a two-year, unlimited mileage warranty. TY0318821 is positioned as an OE-spec aftermarket replacement for technicians and DIY installers.