Prosports Exhaust Temperature ProbeProsport Exhaust Temperature Probe Every now and then when you have used your exhaust temperature gauge on your diesel truck for a while you might end up wearing out your probe that came with the gauge that goes into your exhaust system. Or your current one might be faulty and you are needing a replacement. This one here is that part you require to get your EGT gauge reading accurately and properly again. Replaces directly your old sensor probe for