The Mishimoto Replacement Transmission Oil Cooler is compatible with Dodge Ram 2500 & 3500 equipped with the 5.9L Cummins engine from 2003 through 2007.
This direct fit transmission cooler installs easily without modification and is intended to use with factory mounting locations and hardware.
Designed to match OEM quality, this cooler delivers improved thermal control to help reduce transmission fluid operating temperatures under heavy loads, towing, or challenging climates.
This added cooling capacity supports smoother shifts and enhances transmission longevity, as trends in high duty applications increasingly demand more robust heat rejection systems.
Built with durability in mind, the cooler features a corrosion resistant aluminum construction, brass fittings, and a powder coated mounting bracket.
Precision engineering ensures OEM level fit, while materials are chosen to resist wear and environmental exposure for long service life.
Installation is straightforward, with no cutting or trimming required, and the unit meets factory specifications for seamless integration.
It replaces failing stock coolers, restoring reliable thermal control and peace of mind.
Preventative cooling upgrades are increasingly valued in towing, heavy haul, and diesel performance builds.
Every product is crafted with precision and supported by Mishimoto’s engineering standards and customer care.
Expect dependable temperature management and a performance minded solution you can trust.
