Cummins EGR Cooler X 15 Gen 4 | 5405901 7.3 It features a metal impeller

It features a metal impeller - in place of the OEM plastic impeller - a lightweight aluminum pulley

You have the ability to initiate system and component tests

Having a scan tool to read transmission temperature can be a big help when you're towing with your truck

Upgraded replacement for these OEM Applications: 68620418AA

Cummins EGR Cooler X 15 Gen 4 | 5405901 7.3 It features a metal impellerThis Bullet Proof aftermarket (OEM 5405901) EGR cooler Cummins upgrade adds durability, reliability, and greater performance to your 2017 2021 Cummins ISX model truck engine. This ISX Cummins EGR Cooler is made to achieve a flawless direct fit in place of your conventional OEM EGR cooler installed at the factory. By contrast, the EGR cooler is designed and made to last the lifetime of your truck, with helically wound (H Core) stainless steel tubing