Ever heard that rumble of a powerful 5.9 Cummins engine and wished yours had that extra kick? You’re not alone! Many truck owners dream of boosting their engine’s performance, and a turbocharger is a popular way to do it. But when it comes to finding the perfect “drop-in” turbo for your 5.9 Cummins, the choices can feel overwhelming.
You might be wondering which turbo will give you the best power without causing problems. Maybe you’re worried about fuel economy or how loud it will be. It’s a common puzzle, and figuring out the right upgrade can be tricky. You want more power, but you also want reliability and a smooth ride.
This post is here to clear the air and make things simple. We’ll break down what makes a great drop-in turbo for your 5.9 Cummins. By the time you finish reading, you’ll have a much better idea of what to look for, what questions to ask, and how to pick the turbo that will truly transform your truck.
Let’s dive in and explore how to find that ideal turbocharger upgrade.
Top Drop In Turbo For 5.9 Cummins Recommendations
- Two year, unlimited-mileage warranty. Guaranteed Exact Fit for easy installation
- Exact fit replacement for the original Holset HE351CW turbo. No modifications required
- This is an exact-fit replacement turbocharger meant to replace the existing turbocharger on your vehicle. The turbocharger's job is to maintain the efficiency and proper operation of your engine. This is not an add-on turbocharger for a vehicle which wasn't equipped with a turbocharger. Please refer to the fitment dropdown on the listing, as well as the provided OE numbers below to make sure this is the correct part for your vehicle
- This turbo comes with a brand new pre-calibrated electronic wastegate actuator
- Fits all Late 2004 (2004.5) through 2009 Dodge Ram 5.9L Cummins Diesel
- Replacement for 5.9 Diesel Cummins HE351CW Turbo
- Part# 667-243, 5135784AA, 5135784AB, 5143256AA, R5135784AB, R5143256AA; 4089673, 4036835, 4037001, 4089797, 4043600, 4036836, 4037001, 4037002; 4089673NX, 4089673RX, 4089797NX, 4089797RX, 4036836HX
- Replacement for Dodge Ram 2500 3500 5.9L Diesel Turbo 2004 2005 2006 2007
- 【REPLACE PART】Turbocharger w/Gasket 3592766 HX35W OE 3592766 3590104 3590105 3800797 3800799 3800397 3592767 HX35W
- 【Compatible With】Turbocharger w/Gasket 3592766 HX35W Fits for 1999 2000 2001 2002 Dodge Ram 2500 5.9L, Fits for 1999-2002 Dodge Ram 3500 5.9L
- 【STRONG POWER BOOST】The turbocharger significantly improves power output and acceleration by utilizing exhaust gas energy to increase intake airflow pressure, providing more air and fuel mixture to the engine. 【HIGH ALTITUDE ADAPTABILITY】The turbocharger can provide more oxygen supply at high altitudes, compensating for the effects of thin air on engine performance and maintaining higher horsepower output.
- 【FAST RESPONSE AND EFFICIENT PERFORMANCE】Turbochargers feature fast response with virtually no turbo lag, delivering immediate power output and efficient performance over a wide rpm range. 【INCREASED ENGINE TORQUE】Turbochargers can significantly increase engine torque output, providing more powerful acceleration and hill climbing ability.
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- 【Vehicle Fitment】Turbocharger fits for 2004-2007 Ram 2500 3500 5.9L l6. Verify compatibility with your specific vehicle model to ensure proper installation.
- 【Replace Part Number】Replaces part 4036835, 4036836, 4037001, 4037001, 4037002, 4043600, 4089797, 5143256AA, R5143256AA, HE351CW, HY35W.
- 【Powerful Power Boost】The turbocharger provides a powerful boost to your vehicle's power. It improves acceleration and enhances the driving experience, enabling the engine to generate higher horsepower and torque.
- 【Improved Fuel Economy】The use of a turbo can improve fuel economy. By utilizing the energy of the exhaust gases to compress the intake air, it improves the engine's combustion efficiency and reduces fuel consumption, thereby lowering fuel expenses.
- 【Superior Engine Response】Turbochargers feature fast response, allowing the engine to achieve higher power output even at low rpm. This means you can accelerate and overtake more quickly and enjoy a more responsive driving experience.
- Fleece Performance Exclusive 63mm FMW Compressor Wheel Technology.
- No actuator calibration programming required.
- Maintains all OEM factory turbocharger functions including exhaust brake and warm up. Capable of supporting vehicle modifications up to 700 RWHP
- Turbochargers
- FPE 63mm Cheetah Turbos
- Compatible with Cummins 1970-2012 3.9L 5.9L HT60
- Reference Number: 172035, 3804308, 172035, 3531267, 3531733
- An sealing device is installed between compressor wheel and bearing support to prevent oil from leaking into intake manifold and eventually cause engine burn oil
- Our turbocharger comes with complete gaskets, which prevent the impurity from entering the compressor room and oil pipeline, improving the booster performance
- Turbo Model: HT60; Wastegate Actuator Included: No; Gasket or Seal Included: Yes
- This is a brand new direct-fit replacement turbocharger. This is guaranteed to fit and perform the same as the OEM Holset HX35W. Does not require any core deposit or return. Make sure to clean or replace the turbocharger oil feed line and prime the center bearing of the new turbo during installation to ensure better long-term reliability! Fits all 1999-2002 Dodge Ram Cummins 5.9L 24v Diesel with a manual transmission.
- 100% NEW replacement turbo, premium ISO/TS 16949 quality
- This is an exact-fit replacement turbocharger meant to replace the existing turbocharger on your vehicle. The turbocharger's job is to maintain the efficiency and proper operation of your engine. This is not an add-on turbocharger for a vehicle which wasn't equipped with a turbocharger. Please refer to the fitment dropdown on the listing, as well as the provided OE numbers below to make sure this is the correct part for your vehicle
- You might find cheaper turbochargers, but compare carefully - make sure you know what you're getting. Don't settle for low-quality parts. Don't risk doing this job repeatedly.
- Guaranteed Exact Fit for easy installation
- 100% BRAND NEW replacement turbo, premium ISO/TS 16949 quality
- This is an exact-fit replacement turbocharger meant to replace the existing turbocharger on your vehicle. The turbocharger's job is to maintain the efficiency and proper operation of your engine. This is not an add-on turbocharger for a vehicle which wasn't equipped with a turbocharger. Please refer to the fitment dropdown on the listing, as well as the provided OE numbers below to make sure this is the correct part for your vehicle
- This brand new, high quality replacement turbocharger is a guaranteed exact fit replacement for the turbocharger that originally came in your vehicle, with electronic actuator pre-installed and calibrated for easier installation and better long-term reliability. This fits all Late 2004 (2004.5) through 2009 Dodge Ram 5.9L Cummins Diesel.
Upgrade Your Cummins: A Drop-In Turbo Buying Guide
Thinking about giving your 5.9 Cummins a power boost? A drop-in turbocharger is a fantastic way to do it. It’s like giving your truck a super-powered breath. This guide will help you pick the right one.
What is a Drop-In Turbo?
A drop-in turbo is designed to fit your 5.9 Cummins engine without needing major modifications. It replaces your old turbocharger directly. This makes the upgrade process much simpler.
Key Features to Look For
1. Horsepower and Torque Gains
Different turbos offer different power increases. Some are mild, giving you a bit more pep for daily driving. Others are wild, designed for serious towing or racing. Think about how much extra power you really want or need.
2. Turbocharger Size (A/R Ratio)
The size of the turbo’s “housing” matters. A smaller housing (lower A/R ratio) makes the turbo spool up faster, meaning you get boost sooner. A larger housing (higher A/R ratio) can support more airflow for higher horsepower but might feel a bit slower to respond.
3. Compressor and Turbine Wheels
Look for turbos with high-quality compressor and turbine wheels. These are the parts that spin to create boost. Some advanced turbos use billet compressor wheels, which are stronger and lighter. This helps them spin faster and last longer.
4. Durability and Longevity
You want a turbo that will last. Check for features like reinforced seals and bearings. Good quality materials and construction mean your turbo won’t let you down.
Important Materials
1. Cast Iron vs. Billet Aluminum
The housings are often made from cast iron, which is strong and heat-resistant. The wheels can be made from cast aluminum or billet aluminum. Billet aluminum is stronger and lighter, leading to better performance.
2. High-Temperature Alloys
The turbine side of the turbo gets very hot. High-quality turbos use special alloys that can withstand these extreme temperatures without warping or failing.
Factors That Improve or Reduce Quality
1. Balancing
A perfectly balanced turbo spins smoothly. Poorly balanced turbos vibrate, which can cause them to wear out quickly and even damage other engine parts. High-quality turbos are always precision balanced.
2. Bearing Type
The bearings allow the turbo’s shaft to spin. Journal bearings are common and work well. More advanced turbos might use ball bearings, which can offer faster spool-up and better durability, but they often cost more.
3. Brand Reputation
Stick with well-known brands in the diesel performance world. Companies with a good track record usually make reliable, high-quality products. Reading reviews from other Cummins owners is very helpful.
User Experience and Use Cases
1. Daily Driving
For everyday use, a milder turbo that improves throttle response and adds a bit of power is ideal. You won’t notice much lag, and your fuel economy will likely stay similar.
2. Towing and Hauling
If you tow heavy loads, you’ll want a turbo that can provide consistent boost without overheating. A slightly larger turbo can help keep your EGTs (Exhaust Gas Temperatures) lower, which is crucial for engine health during demanding tasks.
3. Performance and Racing
For maximum power, you’ll look at larger, more aggressive turbos. These require supporting modifications like upgraded fuel systems and exhaust. They offer huge horsepower gains but can impact daily drivability and fuel economy.
Frequently Asked Questions (FAQ)
Q: What are the main benefits of a drop-in turbo for my 5.9 Cummins?
A: A drop-in turbo gives you more power, better throttle response, and can improve towing performance. It’s a relatively easy upgrade.
Q: Will a drop-in turbo affect my fuel economy?
A: It depends on the turbo and how you drive. A mild turbo might not change it much, while a larger, more aggressive turbo can decrease fuel economy if you use the extra power often.
Q: How difficult is it to install a drop-in turbo?
A: For someone with basic mechanical skills and tools, it’s usually a manageable DIY project. Many kits come with instructions.
Q: Do I need other upgrades to run a drop-in turbo?
A: For mild upgrades, usually not. For significantly larger turbos, you might need to upgrade your exhaust, fuel system, or intake.
Q: How long does a drop-in turbo typically last?
A: With proper maintenance and installation, a good quality drop-in turbo can last for many years and thousands of miles.
Q: What are EGTs and why are they important with a turbo upgrade?
A: EGT stands for Exhaust Gas Temperature. Higher EGTs mean more heat in your exhaust. Too much heat can damage your engine, so turbos that help keep EGTs lower are better for demanding use.
Q: Can I use a used drop-in turbo?
A: It’s risky. A used turbo might have hidden damage or wear that could cause problems. Buying new is generally recommended for reliability.
Q: What’s the difference between a VGT and a fixed geometry turbo?
A: VGT (Variable Geometry Turbo) can change its blade angle to optimize boost at different engine speeds. Fixed geometry turbos have a set blade angle.
Q: How do I know if my current turbo is failing?
A: Signs include blue smoke from the exhaust, whining noises, loss of power, or oil leaks around the turbo.
Q: Where can I find good quality drop-in turbos for my 5.9 Cummins?
A: Look at reputable online diesel performance parts retailers and manufacturers that specialize in Cummins upgrades.