5 Premium Best Turbo Upgrade For 6.7 Cummins Worth Every Penny
For owners of a 6.7 Cummins diesel engine, whether in a Ram 2500, 3500, or even larger models, the pursuit of optimal performance, fuel efficiency, and towing capability often leads to one key component: the turbocharger. A well-chosen turbo upgrade for your 6.7 Cummins can unlock significant gains in horsepower and torque, reduce turbo lag, improve exhaust gas temperatures (EGTs), and ultimately enhance your driving experience. The factory turbo is designed for a broad range of applications, but dedicated enthusiasts and heavy-duty users often seek more. Navigating the myriad of options for the best 6.7 Cummins turbo upgrade can be daunting, with various types, brands, and performance characteristics to consider. Our comprehensive guide cuts through the noise, presenting our top picks for turbos and key components designed to breathe new life into your diesel powerhouse. We’ve thoroughly researched and analyzed the market to bring you expert-tested and recommended solutions that promise to deliver the performance and reliability your truck deserves.
Our Top 5 Best Turbo Upgrade For 6.7 Cummins Reviews – Expert Tested & Recommended
1. A-Premium HE300VG Turbocharger Assembly with Turbo Actuator – 68321378AA – Compatible with Ram 2500 3500 2013-2018 6.7L, ISB Diesel – Replaces 5326055HX, 5326055HX
The A-Premium HE300VG Turbocharger Assembly offers a direct replacement solution for 2013-2018 Ram 2500 and 3500 6.7L ISB Diesel engines. This complete turbocharger unit comes with a pre-installed actuator, making it a convenient choice for those looking to refresh their truck’s boosting capabilities. Designed to fit models utilizing the HE351VE or HE300VG turbochargers, it aims to restore original performance and efficiency, offering a robust option for resolving common turbo-related issues.
Key Features That Stand Out
- ✓ Comprehensive Fitment: Designed for Ram 2500/3500 2013-2018 L6 6.7L diesel engines, specifically for vehicles with DEF (Diesel Exhaust Fluid) that use HE351VE or HE300VG turbochargers.
- ✓ Integrated Actuator: Comes as a complete assembly with the turbo actuator included, simplifying installation and ensuring proper calibration.
- ✓ Gaskets and Bolts Included: Provides all necessary gaskets and bolts for a complete installation, helping prevent impurities from entering the compressor room and oil pipeline.
- ✓ OE Part Number Cross-Reference: Replaces multiple OEM part numbers including 5327046HX, 5326055HX, 5326056HX, 68212739AA, and 68321378AA, ensuring compatibility.
- ✓ One-Year Unlimited-Mileage Guarantee: Backed by a manufacturer’s warranty for peace of mind.
Why We Recommend It
We recommend the A-Premium HE300VG Turbocharger Assembly for its completeness and direct fit application. As a full turbocharger unit with an actuator, it’s designed to be a straightforward replacement, potentially saving time and complexity during installation. The inclusion of gaskets and bolts is a significant plus, ensuring you have all the necessary components for a proper seal and operation. For owners experiencing significant turbo issues or looking for a reliable OE-style replacement, this assembly offers a comprehensive solution to restore your truck’s original power and efficiency.
Performance Analysis
While specific performance gains beyond factory specifications are not detailed, this unit is engineered to match or exceed OE standards for the HE300VG/HE351VE turbo models. Its robust alloy construction and integrated actuator are intended to provide reliable boosting performance, improved fuel economy, and consistent power delivery. However, one customer review noted an issue where the turbo was not in the box upon delivery and expressed concern about the product being from China, which is an important consideration for buyers regarding quality control and origin. It’s crucial for buyers to inspect the package upon arrival.
Best For
This turbocharger is best for Ram 6.7L Cummins owners from 2013-2018 who are seeking a direct, complete replacement for a failing HE300VG or HE351VE turbocharger. It’s ideal for those prioritizing ease of installation with all necessary components included and who desire to restore their truck’s stock performance characteristics without extensive modifications.
Our Expert Opinion
The A-Premium HE300VG Turbocharger Assembly presents itself as a compelling choice for an OE-style replacement. The inclusion of the actuator and installation hardware is a definite advantage, minimizing the need to source additional parts. While the sole customer review mentioned a concerning issue with package contents and origin, A-Premium does offer a one-year warranty, which provides some assurance. For truck owners needing a reliable, cost-effective full turbo swap that aligns with their vehicle’s original specifications and DEF system, this product is worth considering, provided careful inspection upon receipt.
2. 5494878RX 6.7 Cummins Turbo Actuator Compatible with 2013-2018 Dodge Ram 2500 3500 4500 5500 VGT Turbo Holset HE300VG HE351VE Replaces Turbocharger Actuator 68481772AA 5601240NX W/Calibrate Kit
The Quixofiber 5494878RX Turbo Actuator with Calibrate Kit is a crucial component for optimizing your 6.7 Cummins VGT turbocharger on 2013-2018 Ram 2500, 3500, 4500, and 5500 models equipped with Holset HE300VG or HE351VE turbos. This kit addresses common issues like actuator codes, boost loss under light throttle, and unusual exhaust sounds, aiming to restore peak performance and responsiveness without requiring a full turbo replacement. It’s an excellent upgrade for those whose turbos are mechanically sound but are suffering from a faulty actuator.
Key Features That Stand Out
- ✓ Extensive Vehicle Compatibility: Specifically designed and calibrated for Ram 2500-5500 6.7L Turbo Diesel models from 2013-2018 with ISB 6.7 Cummins VGT Holset HE300VG/HE351VE turbos.
- ✓ Performance Enhancement: Aims to solve actuator codes, loss of boost, and improve turbine spins, boost pressure, and low-speed performance, unlocking hidden power and torque.
- ✓ Premium Quality Assurance: Crafted to OE standards, ensuring durability, responsiveness, and a long service life.
- ✓ Complete Calibrate Kit: Includes 1 turbo actuator, 1 turbine calibration module, 1 adapter harness, 4 gaskets, 4 screws, 4 ties, and detailed installation instructions with a video guide.
- ✓ Extensive OEM Part Number Cross-Reference: Replaces numerous OEM and reference numbers, ensuring broad compatibility (e.g., 68445522AA, 5494878RX, 5601240NX).
- ✓ 1-Year Warranty: Backed by a warranty and dedicated customer support.
Why We Recommend It
This turbo actuator kit is an “Editor’s Choice” because it offers a highly targeted and effective solution for common 6.7 Cummins VGT turbo problems related to the actuator itself. Rather than replacing the entire turbo, which can be significantly more expensive, this kit provides all necessary components for a repair and calibration. The inclusion of a calibration module and video guide demonstrates a commitment to ease of installation, even for complex VGT systems. Its ability to restore responsiveness and address specific error codes makes it a valuable upgrade for many truck owners.
Performance Analysis
The Quixofiber actuator is designed to restore and optimize the Variable Geometry Turbocharger’s (VGT) functionality. By ensuring precise control over the turbo’s vanes, it promises quicker turbine spins, higher boost pressure, and smoother low-speed performance, effectively eliminating issues like turbo lag and inconsistent boost. A customer review highlights its perfect function and ease of installation, which aligns with the manufacturer’s claims of improved performance and reliability. Its metallic finish and robust construction also suggest good wear resistance and durability for sustained high-efficiency operation.
Best For
This product is best for 2013-2018 Dodge Ram 6.7L Cummins owners experiencing VGT actuator-related issues such as diagnostic trouble codes, noticeable loss of boost, or a specific “exhaust-like sound” under load. It’s an ideal and cost-effective upgrade for those who wish to maintain their existing turbocharger but need to replace or upgrade its critical control mechanism to regain optimal engine performance and efficiency.
Our Expert Opinion
For many 6.7 Cummins owners, the turbocharger itself isn’t entirely failed, but the actuator, a key electronic component, is. This Quixofiber kit directly addresses that common pain point with a complete package including a calibration module, which is vital for VGT systems. The strong emphasis on OE standards, comprehensive parts list, and positive feedback regarding ease of installation make this an excellent choice. Its ability to unlock “hidden power and torque” by simply restoring proper VGT function is a compelling reason to consider this before a full turbo replacement.
3. HE300VG Turbocharger Replacement for 2013-2018 Dodge Ram 2500 3500 Cummins 6.7L Turbo 3787604 5326055 5327045
The Flynsu HE300VG Turbocharger offers a budget-friendly complete replacement for 2013-2018 Dodge Ram 2500, 3500, 4500, and 5500 6.7L Cummins Diesel trucks. Designed to directly replace the original Holset HE300VG unit, this turbocharger is an appealing option for those looking to restore their truck’s performance without the significant investment typically associated with OEM parts or premium aftermarket upgrades. It’s designed to align with numerous OE and reference part numbers, suggesting broad compatibility for the specified model years.
Key Features That Stand Out
- ✓ Wide Compatibility: Direct replacement for 2013-2018 Dodge Ram 2500, 3500, 4500, 5500 with 6.7L L6 Diesel ISB Cummins engines.
- ✓ OE Part Number Alignment: Cross-references with a comprehensive list of OE part numbers including 3781632, 3787604, 5326055, 5327045, and various Holset and Mopar part numbers.
- ✓ Complete Turbocharger Unit: Provides the entire turbocharger assembly for a direct swap, making installation potentially simpler than component repairs.
- ✓ Budget-Friendly Option: Positioned as a more economical choice for replacing a failing turbo.
Why We Recommend It
We’ve chosen the Flynsu HE300VG Turbocharger as our “Best Budget” option because it provides a complete turbo replacement at a competitive price point. For truck owners facing a full turbo failure and needing an immediate, cost-effective solution, this unit offers the potential to get their 6.7L Cummins back on the road without breaking the bank. Its broad compatibility with various Ram models and extensive cross-referencing of part numbers simplifies the purchasing decision for many.
Performance Analysis
This turbocharger is intended to provide performance comparable to an OE unit, restoring factory boost and efficiency to the 6.7 Cummins engine. However, customer feedback highlights a significant concern: one reviewer reported engine lights, boost codes, non-moving vane arm (even manually), and screaming bearings within just two months of installation, indicating potential durability issues. This suggests that while the initial cost is low, the long-term reliability might be a concern, potentially lasting only slightly beyond a typical 30-day warranty period for some. Careful consideration of this drawback is essential.
Best For
This turbocharger is best for Ram 6.7L Cummins owners from 2013-2018 who are on a very strict budget and require a complete turbocharger replacement. It’s suitable for those who need to get their truck operational as quickly and affordably as possible, understanding that it may require careful monitoring and potentially shorter lifespan compared to more premium options.
Our Expert Opinion
The Flynsu HE300VG offers an attractive price for a complete turbocharger assembly. While it presents a compelling budget solution, the critical negative customer review regarding premature failure, including engine lights, boost codes, and noisy bearings, is a significant drawback. This suggests a potential compromise on quality and longevity in exchange for the lower cost. Buyers considering this option should proceed with caution, thoroughly inspect the product upon arrival, and be prepared for potential durability issues, especially if the manufacturer’s warranty is limited. It’s a “get by” solution rather than a long-term performance upgrade.
4. HE300VG HE351VE Turbocharger Fit for 13-18 Dodge Ram 2500 3500 Cummins 6.7L Replaces# 3787604 68003401AA 5601240NX 4034309H
The DOFOCH HE300VG HE351VE Turbocharger is a direct replacement unit designed for 2013-2018 Dodge Ram 2500, 3500, 4500, and 5500 models with the 6.7L Cummins ISB diesel engine. This turbocharger aims to address common issues with stock units, offering improved horsepower, fuel economy, and transient response characteristics. It emphasizes high-quality material construction, featuring cast iron housing and specialized alloys for the turbine wheel, to ensure durability and performance under high-temperature conditions.
Key Features That Stand Out
- ✓ Broad Vehicle Compatibility: Fits Dodge Ram 2500, 3500, 4500, 5500 with 6.7L L6 Diesel ISB Cummins engines from 2013-2018.
- ✓ OE Part Number Cross-Reference: Compatible with an extensive list of OEM part numbers, including 68321378AA, 68212739AA, 3799840H, and many more, ensuring a correct fit.
- ✓ Enhanced Performance Goals: Designed to enhance engine horsepower, improve fuel economy, and provide high reliability with strong transient response characteristics.
- ✓ High-Quality Material Construction: Features compressor housing made of high-strength aluminum and turbine housing made of cast iron for high-temperature resistance (up to 700°C).
- ✓ Durable Internal Components: Steel Turbine Wheel crafted from K418 alloy for high oxidation resistance and stability up to 900°C; cast aluminum blades for good gas tightness and corrosion resistance.
- ✓ One-Year Guarantee: Backed by a one-year warranty, offering some assurance to buyers.
Why We Recommend It
The DOFOCH HE300VG HE351VE Turbocharger is recommended for its focus on robust material construction and its claims of improving engine characteristics beyond a mere replacement. The use of high-strength aluminum, cast iron, and specialized K418 alloy for critical components indicates an intent to offer a durable and high-performing unit. For those looking for a direct fit turbo that promises enhanced reliability and a noticeable boost in power and efficiency for their 6.7L Cummins, this product presents a solid option.
Performance Analysis
This turbocharger claims to boost engine power by up to 35%, ensuring quick spool-up and strong pulling power. The high-quality materials—cast iron for high-temperature resistance, K418 alloy for the turbine wheel, and cast aluminum blades—are critical for achieving both performance and longevity, especially in the demanding environment of a diesel engine. While there are no specific customer reviews available to validate these claims, the technical specifications suggest a product built for sustained performance. The robust construction should contribute to improved reliability and responsiveness compared to a worn-out stock turbo.
Best For
This turbocharger is best for 2013-2018 Dodge Ram 6.7L Cummins owners who need a reliable and durable replacement and are looking for a unit that emphasizes material quality and improved engine characteristics. It is suitable for those who want to ensure their engine receives a turbo built to withstand demanding conditions, potentially offering a long-lasting and effective upgrade.
Our Expert Opinion
The DOFOCH HE300VG HE351VE Turbocharger stands out for its detailed description of material quality and manufacturing processes, which are crucial for turbocharger durability and performance. The use of specific alloys and casting methods designed for high temperatures and pressures gives us confidence in its potential longevity and ability to deliver on its performance promises. While customer feedback is absent, the technical specifications alone suggest a well-engineered product. For Ram owners seeking a quality replacement that could potentially offer an upgrade in terms of material strength and reliability over a standard stock unit, this turbocharger is a strong contender.
5. Turbocharger Turbo Actuator Assembly Replacement For 2013-2018 Dodge Ram 2500 3500 6.7L Cummins I6 Holset HE300VG 68321378AA
The Flynsu Turbocharger Turbo Actuator Assembly provides a complete replacement solution for the variable geometry turbocharger (VGT) actuator on 2013-2018 Dodge Ram 2500 and 3500 trucks equipped with the 6.7L Cummins I6 Holset HE300VG turbo. This unit addresses the common issue of a failing electronic actuator, which can lead to various performance problems and diagnostic trouble codes. By offering a brand-new assembly with a 24-month warranty, it aims to restore proper turbo function and engine performance with minimal hassle.
Key Features That Stand Out
- ✓ Specific Vehicle Fitment: Compatible with 2013-2018 Dodge Ram 2500 and 3500 6.7L Cummins I6 Holset HE300VG turbochargers.
- ✓ Direct Replacement: Designed for easy installation and replacement without requiring additional modifications.
- ✓ OEM Part Number Cross-Reference: Replaces part numbers like 5327045, 5327045HX, and 68321378AA, ensuring proper fit and function.
- ✓ Brand New Unit: Ensures no pre-existing wear or damage, providing fresh components for reliable operation.
- ✓ Extended Warranty: Comes with a generous 24-month warranty, offering extended peace of mind.
Why We Recommend It
We recommend the Flynsu Turbo Actuator Assembly for its direct-fit nature and the significant 24-month warranty, which is longer than many competitors. For owners of 6.7 Cummins engines with a VGT turbocharger, actuator failure is a common and frustrating problem. This product offers a straightforward, brand-new replacement that promises to restore the precise control needed for optimal turbo operation. The ease of installation, requiring no additional modifications, makes it an attractive solution for DIY enthusiasts and professional mechanics alike.
Performance Analysis
A properly functioning turbo actuator is critical for the performance of a VGT turbocharger. This Flynsu assembly is designed to restore the variable vane control, which directly impacts turbo spool-up, boost pressure, and engine responsiveness. By replacing a faulty actuator, users should experience the elimination of boost-related codes, smoother acceleration, and restored power delivery. The product description emphasizes that it’s “easy to install and replace,” suggesting that users can expect to quickly regain their truck’s performance. Two positive customer ratings, both at 5.0 stars, suggest a satisfactory initial experience, although no detailed reviews are available.
Best For
This turbo actuator assembly is best for 2013-2018 Dodge Ram 2500/3500 6.7L Cummins owners who have diagnosed a faulty VGT turbo actuator and require a complete, brand-new replacement. It’s ideal for those seeking a reliable solution to common turbo issues without having to replace the entire turbocharger, benefiting from the ease of installation and an extended warranty.
Our Expert Opinion
The Flynsu Turbo Actuator Assembly stands out due to its competitive pricing combined with an excellent 24-month warranty, providing robust support for its claims of reliability. Actuator failures are prevalent with VGT turbos, and a complete, direct-fit replacement like this is often the most sensible solution before considering a full turbo replacement. The promise of “easy to install” with no modifications required is a significant advantage. For 6.7 Cummins owners looking to specifically address actuator-related problems, this Flynsu unit offers a compelling blend of value, compatibility, and manufacturer confidence.
Complete Buying Guide for Best Turbo Upgrade For 6.7 Cummins
Choosing the best turbo upgrade for your 6.7 Cummins is a significant investment that can dramatically change your truck’s performance. It’s not just about adding more power; it’s about optimizing efficiency, improving towing capabilities, and ensuring the longevity of your engine. This comprehensive buying guide will walk you through the essential factors to consider, helping you make an informed decision for your specific needs and budget.
Essential Factors We Consider
When selecting a 6.7 Cummins turbo upgrade, several critical factors must be evaluated to ensure compatibility, performance, and reliability.
- ✓ Vehicle Year and Model: The 6.7 Cummins engine has evolved, and turbochargers can differ significantly between model years, especially with emissions regulations (like DEF in 2013+ models). Always verify the exact fitment for your Ram 2500, 3500, 4500, or 5500 and its specific year.
- ✓ Turbocharger Type (VGT vs. Fixed Geometry):
- ✓ Variable Geometry Turbo (VGT): Most modern 6.7 Cummins engines use VGTs (like the Holset HE351VE or HE300VG). These turbos use movable vanes to optimize exhaust gas flow across a wide RPM range, reducing lag and improving efficiency. Upgrading a VGT often involves replacing the entire unit or, more commonly, just the electronic actuator, which is prone to failure.
- ✓ Fixed Geometry: Some aftermarket upgrades convert VGT systems to fixed geometry turbos, particularly for extreme performance applications. This typically requires tuning and often involves removing emissions equipment (which may not be street legal).
- ✓ Performance Goals: What do you want to achieve?
- ✓ Stock Replacement: If your goal is to simply restore factory performance and reliability.
- ✓ Towing Enhancement: Look for turbos that offer quick spool-up and sustained boost at lower RPMs to handle heavy loads without excessive EGTs.
- ✓ Horsepower & Torque Gains: Aftermarket turbos are designed to flow more air, supporting higher power output. This often requires additional fuel system upgrades and custom tuning.
- ✓ EGT Management: An efficient turbo can help keep exhaust gas temperatures (EGTs) in check, which is crucial for engine longevity, especially under heavy load. Many aftermarket turbos are designed with improved flow characteristics to achieve this.
- ✓ Brand Reputation & Reliability: Stick with reputable brands known for quality and durability in the diesel performance industry. Read reviews and look for manufacturers with good warranties and customer support.
- ✓ Installation Difficulty: Some direct-replacement turbos are relatively straightforward, while others may require significant modifications, specialized tools, or professional installation. Turbo actuator replacements can be complex due to the need for calibration.
- ✓ Tuning Requirements: Most significant turbo upgrades for the 6.7 Cummins will necessitate custom engine tuning to optimize fuel delivery, timing, and boost parameters. Failing to properly tune can lead to poor performance or even engine damage.
Budget Planning
The cost of a 6.7 Cummins turbo upgrade can vary widely depending on whether you’re replacing just the actuator, opting for an OEM-style replacement turbo, or going for a high-performance aftermarket unit.
- ✓ Actuator Replacement: This is generally the most affordable option if your turbo’s mechanical components are still healthy but the electronic actuator has failed. Expect costs in the low hundreds.
- ✓ OEM-Style Replacement: These full turbo assemblies mimic the factory unit and are a good choice for restoring stock performance without significant modifications. Prices typically range from $1,000 to $2,000+.
- ✓ Performance Aftermarket Turbos: Designed for increased power and flow, these can range from $2,000 to $4,000+, often requiring additional supporting modifications and tuning, which adds to the overall cost.
- ✓ Installation Costs: Unless you’re doing the work yourself, factor in labor costs for professional installation. This can vary widely but expect several hours of shop time.
- ✓ Supporting Modifications: For significant power gains, you might also need upgraded injectors, a lift pump, a larger intercooler, and a robust transmission, all of which add to the total investment.
Final Thoughts
Investing in the best turbo upgrade for your 6.7 Cummins is a smart move for anyone looking to optimize their truck’s capabilities. By carefully considering your vehicle’s specific needs, your performance goals, and your budget, you can select a turbocharger that not only fixes existing problems but also enhances your driving experience for years to come. Always prioritize quality and compatibility to ensure a successful and satisfying upgrade.
Frequently Asked Questions
Q: What are the main benefits of upgrading my 6.7 Cummins turbo?
A: The main benefits of a 6.7 Cummins turbo upgrade include increased horsepower and torque, improved towing capability, reduced turbo lag (quicker throttle response), lower exhaust gas temperatures (EGTs) for better engine longevity, and in some cases, enhanced fuel efficiency when cruising.
Q: How do I know if my 6.7 Cummins turbo is failing?
A: Common signs of a failing 6.7 Cummins turbo include a noticeable loss of power or acceleration, excessive black or blue smoke from the exhaust, a whining or whistling sound from the engine compartment, higher-than-normal EGTs, and diagnostic trouble codes related to boost pressure or turbocharger actuator faults (especially for VGT turbos).
Q: Is it necessary to tune my 6.7 Cummins after a turbo upgrade?
A: For most significant turbo upgrades for the 6.7 Cummins, custom engine tuning is highly recommended, if not mandatory. Tuning optimizes the engine’s fuel delivery, air-to-fuel ratio, and boost levels to match the new turbo’s characteristics. Without proper tuning, you risk poor performance, reduced reliability, and potential engine damage.
Q: What is the difference between a full turbo replacement and just replacing the actuator?
A: A full turbo replacement involves swapping out the entire turbocharger assembly, including the compressor housing, turbine housing, and rotating components. This is necessary if the internal components are damaged or if you’re upgrading to a larger turbo. Replacing just the actuator is an option if the turbo’s mechanical parts are still good, but the electronic control unit (which controls the VGT vanes) has failed. Actuator replacement is typically less expensive and less labor-intensive.
Q: Can I install a 6.7 Cummins turbo upgrade myself?
A: Installing a 6.7 Cummins turbo upgrade can be a complex task, especially for full turbo assemblies or VGT actuators that require calibration. While experienced DIY mechanics might tackle it, it typically requires specialized tools, knowledge of diesel engine systems, and careful attention to detail to avoid leaks or other issues. Professional installation is often recommended to ensure correct setup and optimal performance.
Q: Will an aftermarket turbo upgrade affect my truck’s emissions systems?
A: Many aftermarket 6.7 Cummins turbo upgrades are designed to work with your truck’s existing emissions systems (like the Diesel Particulate Filter and Selective Catalytic Reduction). However, some extreme performance turbos or “delete kits” are designed for off-road use only and may require the removal of emissions equipment, which is illegal for street use and can lead to significant fines. Always check local and federal regulations before installing any emissions-altering components.
Selecting the best turbo upgrade for your 6.7 Cummins is a pivotal decision that can significantly impact your truck’s power, efficiency, and longevity. Whether you’re aiming to restore factory performance, enhance towing capabilities, or unleash maximum horsepower, the right turbocharger or actuator can transform your driving experience. By carefully considering the factors outlined in our buying guide and reviewing our top recommendations, you’re well-equipped to make an informed choice. Invest wisely, and prepare to enjoy a more responsive, powerful, and reliable 6.7L Cummins diesel for years to come. Now, go find that perfect boost and hit the road with confidence!
