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In 2013, several recalibrations were necessary for the Cummins diesel engine because its unrestricted power was too much for certain vehicles. In addition, the Ram Heavy Duty diesel trucks all had a new cooling system which featured a charge air cooler, dual radiators and dual transmission coolers. Adding these new features raised the heat-rejection capacity by 25%. +Read more
Part of this cooling system included a computer in the 6.7L Cummins that would trigger the “Ram Active Air” intake system which draws cooler air from the front of the truck when it senses high altitudes or extreme heat. The system uses an under-hood inlet because in wet conditions it needs a dry area of the truck that is also clear of snow packing.
If you own a Dodge Ram diesel truck made between 2013 and 2020, you’ve come to the right place for 6.7L Cummins engine parts. We have hundreds of 6.7L Cummins diesel performance parts and accessories. Here you’ll find Cummins performance parts for your Dodge Ram 2500 and 3500 with a 6.7L diesel engine.
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Here are a few more performance upgrades introduced in 2013 to the Cummins diesel 24V 6.7L I6. The new selective catalytic reduction (SCR) was introduced. It is more efficient than Lean NOx Trap (LNT) technology. It also has a larger exhaust-gas recirculation (EGR) cooler which decreases the production of soot and fuel dilution. This enables you to go 15,000 miles between oil changes. This was longer than any other vehicle in its class at the time.
It was also easier to cold-start the Cummins 6.7L in the new 2013 diesel engine and Dodge introduced a “smart” electronic exhaust brake by using the variable-geometry turbocharger. Additionally, the computer did a better job of managing the EGR flow rates to help with de-sooting (or intake cleaning). Since it was an SCR-equipped diesel, it was certified to run on B-20 which is 20% biofuel.
On the frame was mounted a fuel filter/water separator which had 3-micron particulate filtration and water stripping. It had a unique venting system. It kept water and dirt from getting in the tank and a warning light would go on when you needed to drain the sump.
A few years later, for the 2016 Ram pickups, the Cummins 6.7L gave you 900 pound-feet of torque in the Ram 2500 and 3500 models. This set a record at the time for torque in mass-produced vehicles. The extra torque came courtesy of a new fuel delivery and turbo boost calibration. It allowed the 2016 Ram 3500 to break the record which was previously held by the old Ram 3500. The 2016 Ram trucks had some minor changes to the drivetrain to handle the additional capacity.
