2008 Mack LE Series Diesel Emission Components
- Walker Products®Nitrogen Oxide SensorMack LE Series 2008, Nitrogen Oxide Sensor by Walker Products®. The Exhaust Gas Recirculation Valve, also referred to as EGR, meters the exhaust gas that is being recirculated into the intake manifold. This exhaust gas recirculation...Valve gets stuck in the closed or open position due to a build-up of dirt, debris, or carbonClogged catalytic converter$387.77