Dorman 911-643 Secondary Air Injection Check Valve Compatible with Select Lexus / Toyota Models

Dorman 911-643 Secondary Air Injection Check Valve Compatible with Select Lexus / Toyota Models

• Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles
• Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails
• Durable construction - this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
• Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
• Please check the “Amazon Confirmed Fit” bar at the top of this page before buying product to ensure this product works for your vehicle. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase.

The A.I.R. Check Valve is an emission control device that allows air into the exhaust system to help burn pollutants before they reach the atmosphere. Dorman's A.I.R Check Valve is constructed to withstand the extreme heat of the exhaust manifold and function properly every time.