Turbo and Parts

2010-2018 Dodge Ram 2500 & 3500 6.7L Cummins Turbochargers, Actuators & Upgrades

Eliminate severe exhaust restrictions, lower high operating temperatures, and restore immediate throttle response with premium 2010–2018 6.7L Cummins 4th Gen turbochargers from Full Force Diesel. The 4th Generation 6.7L Cummins inline-six relies on an advanced Holset Variable Geometry Turbocharger (VGT) to manage boost delivery, control exhaust emissions, and provide integrated exhaust braking. While the VGT design is exceptional for low-end torque and rapid spool-up, it is subjected to immense thermal stress, soot accumulation, and mechanical wear. Whether your factory unit has succumbed to sticking internal vanes or you are looking to step up to a high-flow performance upgrade, replacing your turbocharger with a precision-engineered unit is critical to reclaiming your Ram's towing supremacy.

Understanding 4th Gen VGT Mechanics & Common Failure Modes

The factory VGT uses an internal sliding nozzle ring controlled by a sensitive electronic actuator to constantly alter the aspect ratio (A/R) of the exhaust housing. This allows a large turbo to mimic a much smaller housing at low RPMs, but it introduces complex mechanical vulnerabilities:

• Soot Accumulation & Sticking Vanes: High rates of Exhaust Gas Recirculation (EGR) naturally flood the exhaust housing with carbon soot. Over time, this airborne soot cakes onto the internal moving nozzle rings. When the vanes jam, your truck will struggle to build boost, experience severe power loss, or lock up the exhaust brake—frequently triggering diagnostic codes or check engine lights.

• Electronic Actuator Failure: The electronic component bolted to the side of the turbocharger housing regulates vane movement using precise data from the engine control module. Because it is positioned directly next to intense exhaust heat, internal circuitry failure is highly common on high-mileage trucks. We stock both standalone replacement electronic actuators and complete pre-calibrated turbo assemblies to get your rig sealed up and running properly.

Choosing Your Path: Factory VGT Replacements vs. Fixed Geometry Upgrades

Depending on your ultimate performance targets, towing frequency, and budget constraints, selecting the proper turbo configuration ensures your truck operates optimally across its entire power band:

• Drop-In Performance VGTs: For truck owners who want a significant power increase without losing the quick street spooling, clean emissions compliance, and integrated exhaust brake functionality of the factory setup. These modified units feature oversized compressor wheels and redesigned exhaust turbine profiles to lower exhaust gas temperatures (EGTs) and support 500 to 650+ horsepower.

• Fixed-Geometry Turbo Conversions (S300 / S400): The definitive choice for enthusiasts prioritizing maximum mechanical reliability, simplified engine plumbing, and high-rpm racing efficiency. Converting to a rugged, non-VGT fixed-geometry turbo completely eliminates the failure-prone electronic actuator and sticking exhaust vanes. These setups require an aftermarket exhaust manifold and specialized custom tuning to accommodate the simplified air delivery.

• Essential Installation Protocols: A replacement turbocharger must always be primed with fresh engine oil prior to its first startup to avoid immediate bearing damage. Additionally, always inspect your oil feed and drain lines for internal kinking or carbon restrictions, as restricted oil pathways are a leading cause of premature turbo seal failure.

At Full Force Diesel, we provide the heavy-duty induction components your hard-working Ram requires to handle heavy loads with complete composure. Explore our complete line of 2010–2018 6.7L Cummins replacement VGT assemblies, performance fixed turbo kits, replacement electronic actuators, oil line kits, and heavy-duty exhaust gaskets above to find the exact setup engineered for your truck's build tier.