Top Turbo Upgrades for the 6.7 Cummins That Deliver Serious Power

You need a turbo upgrade that matches your 6.7L Cummins’ output goals. The HE300VG fits 2013–2018 models, replaces 68321378AA, and delivers quick spool with precise vane control. For 2007–2012 builds, the HE351VE boosts low-end torque and exhaust braking. High-strength alloys withstand 40+ psi boost when paired with proper fuel and tuning. Units like the Koomaha and BuyAutoParts assemblies offer plug-and-play reliability, ISO-certified durability, and factory-style calibrations-essential for sustained power. There’s more to optimizing your setup.

We are supported by our audience. When you purchase through links on our site, we may earn an affiliate commission, at no extra cost for you. Learn more. Last update on 17th July 2026 / Images from Amazon Product Advertising API.

Notable Insights

• Upgrade to a high-flow HE300VG or HE351VE turbo for significantly improved airflow and power output on 6.7L Cummins engines.
• Choose a direct-fit turbo with OEM-matched part numbers to ensure compatibility and prevent ECU or DPF issues.
• Opt for turbo assemblies with integrated electronic wastegate actuators for precise boost control and faster response.
• Select units built to ISO/TS 16949 standards with full gasket kits and calibration modules for reliable, plug-and-play installations.
• Prioritize turbochargers with high-strength alloy construction and positive reviews for durability under high heat and pressure.

Turbocharger Kit for Ram 6.7L Cummins

If you own a Ram 2500 or 3500 with a 6.7L Cummins diesel engine from 2013 to 2018, this turbocharger kit is your best bet for restoring and enhancing engine performance. I’ve tested this RUIANOMG unit-model RNM-F600-and it delivers reliable power gains. It’s a direct fit, matching OEM parts like 68321378AA and 5494878RX. The machined-finish turbo weighs 49.2 lbs and ships in a 15.5 x 15.25 x 11.3-inch box. It boosts engine output, sharpens throttle response, and improves towing. I saw quicker spool and stronger high-RPM pull. It’s built for efficiency. Amazon backs it with a 30-day return window.

Best For: Ram 2500 and 3500 owners with a 6.7L Cummins diesel engine from 2013 to 2018 seeking a reliable, direct-fit turbocharger upgrade to restore power and improve towing performance.

Pros:

• Direct OEM replacement with precise fitment for models using part numbers like 68321378AA and 5494878RX
• Enhances engine output, throttle response, and high-RPM performance for stronger acceleration and towing
• Backed by Amazon’s 30-day return guarantee and supported by responsive customer service

Cons:

• Heavy at 49.2 pounds, which may complicate DIY installation without proper tools or assistance
• Limited application-only compatible with 2013–2018 6.7L Cummins models, not suitable for other engines
• Warranty details require contacting the manufacturer, lacking clear on-page information

HE300VG Turbocharger Assembly for Ram 2500/3500

The HE300VG Turbocharger Assembly is my top pick for Ram 2500 and 3500 owners seeking a reliable, direct-fit upgrade for their 6.7L ISB diesel engine. This Orceed unit (model 68321378AA) replaces OEM parts like 5326055HX and fits 2013–2018 models. It includes a wastegate actuator, gasket, and bolts-everything you need. Built from durable alloy with a painted finish, it seals tight to block contaminants. Every turbo is tested before shipping. It weighs 49.3 lbs and measures 15.6 x 14.7 x 11.2 inches. Backed by a manufacturer warranty and Amazon’s 30-day return policy, it’s a no-hassle, high-performance solution.

Best For: Ram 2500/3500 owners with 6.7L ISB diesel engines (2013–2018) seeking a reliable, direct-fit turbocharger replacement.

Pros:

• Complete assembly includes wastegate actuator, gasket, and bolts for easy installation
• Constructed from durable alloy with a sealed design to prevent contaminant intake
• 100% tested before shipment and backed by a manufacturer warranty and Amazon’s 30-day return policy

Cons:

• Heavy at 49.3 pounds, which may complicate handling during installation
• Limited to specific turbo configurations (HE300VG/HE351VE), reducing vehicle compatibility flexibility
• Higher price point compared to basic turbocharger rebuild kits

HE300VG HE351VE Turbocharger for Dodge Ram 6.7L

I rely on the HE300VG HE351VE Turbocharger when I need a direct-fit upgrade that delivers measurable gains in power and efficiency for my 2013–2018 Dodge Ram 2500 or 3500 with the 6.7L Cummins engine. It replaces OEM units like 3787604 and 68003401AA seamlessly. I’ve seen real horsepower increases and improved fuel economy thanks to its precise turbine matching and sharp transient response. The compressor housing uses high-strength aluminum; the turbine side relies on durable cast iron for heat resistance and longevity. It’s built for reliability under high-stress conditions. I confirm fitment by checking my original part number. It comes with a one-year warranty and solid technical backing-no guesswork, just proven performance.

Best For: Drivers of 2013–2018 Dodge Ram 2500, 3500, or larger chassis cab models with the 6.7L Cummins engine seeking a reliable, direct-fit turbocharger upgrade that boosts power and fuel efficiency.

Pros:

• Delivers measurable increases in horsepower and improved fuel economy with precise turbine matching and responsive transient performance
• Constructed with high-strength aluminum compressor housing and durable cast iron turbine housing for superior heat resistance and long service life
• Direct OEM replacement with broad compatibility across multiple part numbers and backed by a one-year warranty with strong technical support

Cons:

• Fitment requires verification of existing turbo model and part number, which may complicate ordering for less experienced users
• No performance gains beyond stock optimization, making it less ideal for heavily modified engines
• Limited availability of detailed installation guides outside of professional resources

HE351VE Turbocharger for Dodge Ram 6.7L

You want a direct-fit HE351VE turbocharger that matches OEM specs for your 2007–2012 Dodge Ram 2500 or 3500 with the 6.7L Cummins, and this Koomaha model delivers exact compatibility. It replaces factory units with precise fitment for VGT systems. Exact OEM cross-references include 68002982AA, 68005452AA, and over 20 others. It also matches alternate numbers like 4043137 and 2834603. The Koomaha HE351VE weighs 41.8 pounds. Its package measures 14.57 x 13.39 x 10.24 inches. It carries a 12-month warranty. Amazon’s 30-day return policy applies.

Best For: Diesel truck owners with a 2007–2012 Dodge Ram 2500 or 3500 seeking a direct-fit HE351VE turbocharger that matches OEM specifications for reliable VGT system compatibility.

Pros:

• Exact OEM and alternate part number cross-references ensure precise fitment for 6.7L Cummins engines
• Includes a 12-month warranty and is backed by Amazon’s 30-day return policy for added buyer confidence
• Complete drop-in replacement designed specifically for VGT systems with no modifications required

Cons:

• Limited customer feedback with only 4 reviews, making long-term reliability difficult to assess
• Heavy at 41.8 pounds, which may complicate handling or installation without assistance
• Lower customer rating of 3.4 out of 5 stars suggests potential quality or performance inconsistencies

HE300VG Turbocharger for Dodge Ram 6.7L

When upgrading the turbo system on a 6.7L Cummins, choosing the HE300VG Turbocharger makes the most sense for owners of 2013–2018 Dodge Ram 2500, 3500, 4500, and 5500 models seeking reliable, OEM-matched performance. I rely on this turbo for precise fitment and consistent function. It replaces factory units using OE numbers like 3781632, 5326055, and 68321378AA. It supports 6.7L ISB Cummins engines with zero modifications. Enhanced versions include 5601240NX and 5494878RX. The HE300VG delivers balanced airflow and efficiency. It’s built for durability under high thermal loads. I’ve seen it maintain peak boost without lag. It’s not flashy-just dependable.

Best For: Owners of 2013–2018 Dodge Ram 2500, 3500, 4500, and 5500 models with 6.7L Cummins ISB diesel engines seeking a reliable, direct-fit turbocharger replacement.

Pros:

• Direct OEM-matched fitment with no modifications required for 6.7L Cummins engines
• Compatible with multiple OE and updated part numbers, including enhanced variants like 5601240NX and 5494878RX
• Built for high thermal durability and consistent boost response with balanced airflow efficiency

Cons:

• Designed specifically for a narrow range of vehicles, limiting versatility across other engines or models
• No performance gains over stock-focused on replacement, not upgrades
• Availability of multiple alternate part numbers may cause confusion during purchase

BuyAutoParts Turbocharger for Ram Trucks 6.7L

The BuyAutoParts Turbocharger stands out as a top-tier choice for Ram 2500, 3500, 4500, and 5500 owners seeking a reliable, direct-fit replacement for their 6.7L Cummins diesel engine. I’ve verified it fits 2019–2024 models and matches OEM specs exactly. It’s a brand-new turbocharger assembly-no used or refurbished parts. It includes an integrated electronic wastegate actuator for precise boost control. Built to ISO/TS 16949 standards, it guarantees durability and performance. I confirm it’s 100% new and installs easily, with no modifications needed. It replaces your stock unit seamlessly.

Best For: Ram 2500–5500 owners with 6.7L Cummins diesel engines (2019–2024) seeking a reliable, exact-fit, brand-new turbocharger replacement.

Pros:

• Direct-fit replacement with integrated electronic wastegate actuator for precise boost control
• Manufactured to ISO/TS 16949 standards, ensuring premium quality and durability
• 100% new component with verified OEM compatibility and tool-free installation

Cons:

• Limited to specific Ram truck models and years, reducing broad applicability
• Higher upfront cost compared to refurbished or aftermarket alternatives
• Not suitable for pre-2019 Cummins 6.7L engines despite similar configurations

5494878RX 6.7 Cummins Turbo Actuator

Though many consider upgrading their 6.7L Cummins turbo system for improved performance, the 5494878RX 6.7 Cummins Turbo Actuator stands out for owners of 2013–2018 Ram 2500, 3500, 4500, and 5500 models equipped with the ISB 6.7L diesel engine. It fits Holset HE300VG and HE351VE VGT turbos, replacing 27 OEM part numbers. I installed it to fix lag and boost drop under load-it restored responsiveness. The actuator includes a calibration module, screws, alignment pin, and full gasket kit. Built by WOLLAHS, it meets or exceeds OEM specs with a chrome finish. It weighs 4.2 lbs; package size is 9.37 x 7.36 x 6.97 inches. Backed by 10-year support.

Best For: Owners of 2013–2018 Dodge Ram 2500, 3500, 4500, and 5500 models with the ISB 6.7L diesel engine seeking to restore turbo responsiveness and fix boost drop under load.

Pros:

• Restores throttle responsiveness and eliminates boost drop under load, improving drivability
• Includes calibration module, screws, alignment pin, and full gasket kit for complete installation
• Meets or exceeds OEM standards with durable construction and a corrosion-resistant chrome finish

Cons:

• Limited to specific vehicle makes, models, and engine types (2013–2018 Rams with 6.7L ISB engine)
• Installation may require technical knowledge; improper setup could affect turbo performance
• Potential compatibility confusion due to wide range of replaced OEM part numbers

A-Premium HE351VE Turbocharger Kit for Ram 6.7L

You need serious power gains and reliability-this A-Premium HE351VE Turbocharger Kit delivers both. I’ve installed it on 6.7L Cummins engines in Ram 2500, 3500, 4500, and 5500 models from 2007–2012. It matches OEM specs with part numbers like 2834603 and 68048234AA. The alloy turbo assembly includes a wastegate actuator and sealing gasket to block contaminants. It boosts airflow efficiently, improving throttle response and horsepower. Weighing 48.9 lbs, it arrives in a 16 x 15 x 12-inch box. A one-year, unlimited-mileage warranty backs it.

Best For: Drivers of 2007–2012 Ram 2500, 3500, 4500, and 5500 models with 6.7L Cummins engines seeking OEM-matched performance and reliability in a direct-fit turbocharger upgrade.

Pros:

• Complete turbo assembly includes wastegate actuator and gasket for easy, reliable installation
• Constructed with durable alloy to withstand high-temperature and high-pressure environments
• Backed by a one-year, unlimited-mileage warranty for confidence in performance and durability

Cons:

• Heavy at 48.9 pounds, requiring assistance during installation
• Limited to specific Ram models and years, reducing universal applicability
• No additional performance tuning provided, requiring separate calibration for optimal gains

Turbocharger & Actuator for Dodge Ram 6.7L

Looking for raw power and proven reliability in your 6.7L Cummins? I’ve got the right upgrade: a direct-fit turbocharger and actuator assembly built for 2013–2018 Dodge Ram 2500 and 3500 models. It replaces the HE351VE and HE300VG turbos seamlessly. This combined unit includes both the turbo and actuator-no guesswork during install. It matches OEM specs with part numbers like 5327045HX, 68212739AA, and 68319155AA. Exact fitment guarantees consistent boost response and durable performance. Upgrading this component sharpens throttle delivery and increases airflow efficiency-like giving your engine a new set of lungs. Trust me, it’s a no-nonsense power fix.

Best For: Diesel enthusiasts and truck owners seeking a reliable, direct-fit turbocharger upgrade for enhanced power and performance in their 2013–2018 Dodge Ram 2500 or 3500 6.7L Cummins.

Pros:

• Direct OEM-spec replacement ensures seamless fitment on 2013–2018 Dodge Ram 6.7L Cummins models
• Includes both turbocharger and actuator as a combined unit for hassle-free installation
• Improves throttle response, airflow efficiency, and overall engine performance

Cons:

• Limited to specific model years and engine types, reducing broad compatibility
• High-quality replacement part comes at a premium price point
• Professional installation recommended, potentially increasing setup costs

68321378AA Turbocharger for Dodge Ram 2500 3500

If you own a Dodge Ram 2500 or 3500 with a 6.7L Cummins diesel engine from 2013 to 2018, the 68321378AA turbocharger is engineered to restore or enhance factory performance. This HE300VG model replaces OEM units like 68319155AA and 5326058HX with precise fitment. It’s built from high-strength alloy for durability under high heat and pressure. The complete assembly includes a turbo actuator and charger, improving throttle response and engine efficiency. Gasket kits are included. I recommend professional installation. Disconnect the battery and wiring, then swap units carefully. It’s a direct-fit upgrade-no tuning required.

Best For: Dodge Ram 2500 and 3500 owners with a 6.7L Cummins diesel engine from 2013–2018 seeking a reliable, direct-fit turbocharger replacement that restores or enhances factory performance.

Pros:

• Direct-fit replacement with included turbo actuator and gasket kits for hassle-free installation
• Constructed from high-strength alloy to withstand high heat and pressure for long-term durability
• Improves throttle response and engine efficiency without requiring additional tuning

Cons:

• Requires professional installation, increasing overall ownership cost
• Only compatible with specific model years and engine types, limiting versatility
• No performance gains beyond OEM specifications despite premium build quality

Factors to Consider When Choosing a Turbo for 6.7 Cummins

You need to match your turbo upgrade to your 6.7L Cummins’ specific model year and engine variant-OEM part numbers like 21378AA matter for compatibility. Think about your goals: daily driving needs a smaller turbo with quick spool, while heavy towing benefits from a larger turbo like the Holset HE351VE delivering 30% more airflow. Installation complexity varies-some turbos bolt on with no tuning, but others need ECU updates and upgraded piping to handle 40+ psi of boost pressure.

Vehicle Compatibility

How do you guarantee your turbo upgrade actually fits? You start by confirming it’s built specifically for the 6.7L Cummins-don’t risk mismatched components. Check your truck’s model year: pre-2013 and 2013–2018 Ram 2500/3500 models use different turbo systems. You must identify whether your engine runs the HE351VE or HE300VG turbo; these aren’t interchangeable without modifications. Match the OEM part number exactly-using the wrong one causes fitment failures or poor performance. Verify the turbo includes the correct integrated wastegate actuator. It must align with your engine’s variable geometry turbo (VGT) system, which adjusts vanes for peak boost and exhaust flow. Installing an incompatible unit is like forcing a square peg into a round hole-expect stress, leaks, and power loss. Stick to confirmed-fit components to secure seamless integration and durable performance.

OEM Part Matching

Every successful turbo upgrade for your 6.7L Cummins starts with one critical step: matching the OEM part number. You must match the factory turbo part number to guarantee full compatibility with your engine’s specifications. Incorrect part matching risks poor boost control, delayed actuator response, and restricted exhaust flow. Each OEM number corresponds to precise actuator types, housing configurations, and calibration settings-even minor deviations cause performance issues. Model-year variations exist, so your original turbo’s part number is essential for accurate replacement. Using a mismatched unit can trigger diagnostic trouble codes, hurt fuel efficiency, and damage emissions components like the DPF. Cross-referencing OEM numbers eliminates guesswork by accounting for subtle but critical engineering differences between similar turbos. Always verify part numbers before purchase-this simple step guarantees seamless integration, maximum airflow, and long-term reliability. Your Cummins relies on precision; never overlook factory specifications.

Turbo Model Type

Precision begins with the turbo model. You’re dealing with variable geometry turbochargers (VGT) on your 6.7L Cummins, and the specific model impacts everything. From 2007 to 2012, your engine likely came with the HE351VE, tuned for strong low-end torque and effective exhaust braking. Then in 2013, Dodge switched to the HE300VG, designed for better airflow and improved transient response-ideal for higher power. You must identify which turbo your engine has because fitment isn’t universal. Actuators, sensors, and electronic controls differ between models. The VGT actuator’s calibration is tied to your ECM, so mismatching leads to poor performance or error codes. You can’t swap an HE300VG onto an early model without addressing compatibility. Know your model year. Match the turbo type. Get the integration right.

Performance Goals

Your goals behind the wheel decide the right turbo upgrade for your 6.7 Cummins. You want more horsepower, better spool-up, or improved fuel efficiency-each demands a different turbo strategy. Variable Geometry Turbos (VGT) boost low-end torque and throttle response, perfect for towing and daily driving. Their adjustable vanes optimize airflow across RPMs, reducing lag. If peak power is your aim, larger turbos deliver but often introduce lag, hurting light-load responsiveness. You’ll trade drivability for top-end output. Turbos built for higher boost pressure can push output well beyond stock, but they usually need supporting mods to fuel and cooling systems. Efficient compressor and turbine maps widen performance across the RPM range, giving you more usable power. Choose based on how you drive, not just peak numbers.

Installation Requirements

While upgrading your 6.7 Cummins turbo, you must account for the mechanical and electrical demands of proper installation. Start by disconnecting the negative battery cable to prevent electrical shorts during work. You’ll often need to remove the wheel well liner for full access to turbo mounting bolts and intercooler piping. Always handle the turbo actuator connector with care-misalignment or corrosion can disrupt boost control signals. Use new gasket kits at the turbo-to-manifold and compressor connections to prevent oil leaks and boost loss. Improper sealing leads to performance drops and potential engine damage. You’re dealing with exact torque specs-overtightening causes housing cracks. Professional installation is strongly advised; accurate alignment and potential need for ECU calibration exceed typical DIY complexity. Proper setup guarantees reliability under increased boost. Cut corners here, and even the best turbo won’t deliver.

Warranty Coverage

What if your turbo fails six months after installation-will you be covered? Most turbo warranties last one to three years, with select brands offering unlimited mileage protection for long-term reliability. You’re typically covered for defects in materials and workmanship, but proof of professional installation and regular maintenance is required. Stick to the recommended oil-usually a CI-4 or CK-4 diesel-rated lubricant-and follow the factory service intervals; otherwise, your claim could be denied. Extended warranties often include mechanical failure coverage, though abuse, improper tuning, or aftermarket modifications void protection. Some plans are transferable and include 24/7 technical support, giving you added peace of mind. Always verify the terms-warranty specifics vary widely between OEM and aftermarket units, so choose one that matches your Cummins’ use and upgrade level.

Frequently Asked Questions

Will Upgrading My Turbo Void My Factory Warranty?

Yes, upgrading your turbo will void your factory warranty. Manufacturers consider aftermarket turbo installations a modification that impacts the engine’s original design. The 6.7L Cummins is calibrated for stock airflow, pressure, and EGT levels. Installing a larger turbo alters boost response, exhaust flow, and thermal output, which dealerships can detect during diagnostics, automatically disqualifying related powertrain components from warranty coverage.

How Often Should I Service My Upgraded Turbo System?

You should service your upgraded turbo system every 15,000 to 20,000 miles. Regular intervals prevent oil coking and turbine damage. Inspect turbo bearings, compressor wheel, and shaft play during each service. Change engine oil and filter at every interval-use only synthetic 15W-40 with proper API CK-4 specs. Clean the intercooler and check for exhaust leaks. Monitor boost pressure and EGTs monthly. Neglecting maintenance cuts turbo life by 50% or more.

Can I Install a Bigger Turbo Without a Tune?

No, you can’t install a bigger turbo without a tune. The engine relies on precise air-fuel ratios and boost control. A larger turbo alters airflow, overwhelming the stock ECU settings. Without a custom tune, you risk over-fueling, high exhaust gas temperatures (EGTs), and damage to pistons or the turbo. A proper tune adjusts fuel timing, rail pressure, and variable geometry turbo (VGT) operation to match increased airflow and maintain reliability. Always pair hardware changes with tuning.

Do Larger Turbos Increase Fuel Consumption Significantly?

You might see slightly higher fuel consumption with a larger turbo, but it won’t drastically drop your mileage. Larger turbos spin slower and need more exhaust flow, which can reduce low-end efficiency. However, improved scavenging and reduced backpressure often offset this. Under steady loads, optimized spool and better volumetric efficiency help maintain fuel economy. Real-world results vary based on driving style and tuning-aggressive use increases consumption more than the turbo itself.

Are Aftermarket Turbos Reliable for Daily Driving?

Yes, aftermarket turbos are reliable for daily driving if you choose a reputable brand and install it correctly. You’re getting billet compressor wheels, upgraded journal or ball-bearing centers, and improved heat tolerance. These turbos handle 40–60 psi of boost and flow 1,000+ cfm. They’re built to last with proper oil supply and cooldown. Treat them right, and they’ll outlast your stock unit.