The Exhaust Gas Recirculation (EGR) valve is one of the most misunderstood components on a modern diesel engine. It doesn't produce power, it doesn't filter fuel, and for years, owner-operators...

The turbocharger is one of the most hardworking components in a modern diesel engine. Operating at speeds exceeding 100,000 RPM and enduring exhaust gas temperatures well over 1,000°F, it compresses...