When it comes to quality, accuracy, and credibility Southern Car Parts has you covered! Our reproduction C4 1986-1989 Corvette EGR Temperature Sensor Switch is the most accurate reproduction that is available. Our switch sensor is the correct length, features the correct plugs and wire gauge. If the time has come to replace your C4 1986-1989 Corvette EGR Temp sensor then you've come to the right place. Southern Car Parts has what you need to make sure your C4 Corvette looks and performs as it should.