3903429
Aftercooler
Cummins®

DISCONTINUED

Cummins®

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION
An aftercooler is a component used in turbocharged diesel engines that cools the compressed air produced by the turbocharger before it enters the engine. The 3903429 aftercooler, specifically, is designed for use in certain models of Cummins diesel engines. As hot compressed air enters the aftercooler, it passes through a series of tubes where it is cooled by external air or liquid coolant. This process increases the density and oxygen content of the air entering the engine, which improves combustion efficiency and power output while reducing emissions. The 3903429 aftercooler features high-quality construction materials and precise engineering to ensure reliable performance under demanding conditions.
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.