The aFe 46-90080 EGR Coolers Combo is the perfect solution for your 6.4 Powerstroke 2008-2010. This combo includes one horizontal and one vertical EGR cooler, both of which are 100% new. They're TIG welded and pressure tested for durability, and feature 12 large diameter flow-through tubes that resist clogging. Plus, all thicknesses are more than twice as thick as the OE unit, so you can be confident in their performance.