SKU: 4061027958

Smeding Diesel S300 Turbo Kit 07.5-18 Dodge/Ram 6.7L Cummins

$753.75 $837.50
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

Smeding Diesel S300 Turbo Kit 07.5-18 Dodge/Ram 6.7L CumminsLooking to upgrade the turbo on your 6. 7L Cummins for better performance, durability, and faster spool than the stock VGT unit? The Smeding Diesel S300 Turbo Kit is engineered to do just that, replacing the factory HE300V HE351VE turbo with a robust fixed geometry S300 turbo that delivers improved airflow, increased responsiveness, and long term reliability. This kit comes with everything you need for a clean, reliable installation on your Ram 2500

Looking to upgrade the turbo on your 6.7L Cummins for better performance, durability, and faster spool than the stock VGT unit? The Smeding Diesel S300 Turbo Kit is engineered to do just that, replacing the factory HE300V / HE351VE turbo with a robust fixed-geometry S300 turbo that delivers improved airflow, increased responsiveness, and long-term reliability.

This kit comes with everything you need for a clean, reliable installation on your Ram 2500 or 3500, including:

  • S300 turbocharger on a divided T4 exhaust manifold
  • T4 inlet flange to bolt to the exhaust manifold
  • Gaskets and mounting bolts
  • Coolant block-off plugs
  • Oil drain extension and turbo drain gasket

Unlike the factory VGT turbos, the S300’s fixed-geometry design has no vanes or actuators to fail, making it a stronger solution under sustained boost and high shaft speeds. The kit retains your factory air intake, downpipe, and intercooler piping, so installation stays straightforward and cost-effective.

Performance & Options

This turbo kit offers multiple compressor wheel choices to suit different performance goals:

  • Cast 62mm & Cast 66mm: reliable, cost-effective upgrades
  • Billet SXE options (63mm, 64.5mm, 66mm, 69mm, 72mm SXE-R, 63mm SXE-R): higher airflow and horsepower potential
  • Thrust bearing choices: standard, heavy duty, or extreme duty steel 360° bearings for added durability under load

Billet wheels and stronger bearings unlock more horsepower potential (in many cases up to 650+ HP in the right setup), while cast options offer a solid balance of spool and reliability.

Why Choose the S300 Turbo Kit

  • Eliminates common VGT failures (vanes, actuators, corrosion)
  • Faster spool and increased horsepower potential over stock
  • Retains factory components for easier installation
  • Builds turbo strength and protects engine components with lower drive pressure and reduced EGT
  • Multiple size and bearing options to match your goals

Whether your goal is improved daily performance, stronger heavy-haul capability, or a more durable platform for future mods, the Smeding Diesel S300 Turbo Kit gives you a beefier turbo solution without the complexity and failure points of the variable geometry system.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4061027958

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JustAGeek
Port Orchard, US
★★★★★ 5
It works like magic, saved me $150.
Size: 2 fl oz
I filled 1/4 tank of gas into my snowblower which I could not started, sprayed about 15 seconds of Start Your Engines, rock snowblower to mix well, let it sat for an hour. I pulled string and yet couldn't start engine. Unscrewed spark plug and spray some into cylinder, put the spark plug back and pull the string. ENGINE STARTED!!! SAVED ME AT THE LEAST $150.
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Reviewed in the United States on March 1, 2026
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Bear
Houston, US
★★★★★ 5
Great
Size: 2 fl oz
Great
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Reviewed in the United States on May 22, 2026
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Brandonian
Alexandria, US
★★★★★ 1
Flimsy Nozzle
Size: 2 fl oz
The nozzle is so flimsy at the moment I pressed on it it popped off the can into the gas tank. I didn’t press it softly but I also didn’t press it very hard either, getting it out was a huge pain in the butt.
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Reviewed in the United States on May 24, 2026
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Jesse S.
Louisville, US
★★★★★ 5
The Ultimate Multi-Use Motor Treatment – A Must-Have for Any Vehicle!
Color: Pack of 4
The Sea Foam SF-16 Motor Treatment is an outstanding product that truly delivers on its promises. After using it in multiple applications for my vehicles, I’m convinced this is a must-have for anyone looking to maintain and enhance engine performance. The 4-pack is an excellent value and ensures I always have some on hand for routine maintenance. Why Sea Foam Stands Out Multi-Use Versatility: This product is a game-changer! I’ve used it as a fuel additive, an oil treatment, and even to clean out stubborn deposits in my carburetor. It works flawlessly across applications, making it an all-in-one solution for keeping engines running smoothly. Improved Performance: After adding Sea Foam to my fuel tank, I noticed a significant improvement in my vehicle’s fuel efficiency and a smoother idle. It’s particularly effective at removing deposits and buildup that can reduce performance over time. Easy to Use: The instructions are straightforward, whether you’re using it for fuel, oil, or cleaning purposes. The precise measuring cap ensures no mess or guesswork, making it simple to get the correct dosage every time. Great for Long-Term Maintenance: Regular use of Sea Foam has made a noticeable difference in prolonging the life of my engine. I’ve also used it to revive an older lawnmower engine, which now runs like new! This product pays for itself by preventing costly repairs. Packaging and Value The 4-pack is perfect for multi-vehicle households or anyone maintaining more than just a car. I’ve used it in my truck, car, and small engines like my generator and lawn equipment, and I still have plenty left. Pro Tips Add Sea Foam to your fuel before a long drive to maximize its cleaning effect. Use it regularly in oil changes to keep sludge buildup at bay. It’s also great for seasonal storage—just add it to your gas tank to stabilize fuel and protect the engine. Final Thoughts Sea Foam SF-16 is the real deal for anyone who values vehicle performance and longevity. Its multi-use functionality, ease of application, and proven results make it a standout product. I’ve already seen noticeable improvements in my vehicles and equipment, and I’ll continue to use it as a staple in my maintenance routine. Highly recommend it to anyone who takes pride in keeping their engines in top shape! Pro Tip: Whether you’re a DIY mechanic or just looking for a reliable maintenance product, Sea Foam is a must-have. It’s one of the simplest and most effective ways to protect your investment and extend the life of your engine. Don’t hesitate—this 4-pack is worth every penny!
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Reviewed in the United States on January 12, 2025
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mrtn wntr
Carnegie, US
★★★★★ 5
Engines run smoothly and efficiently
Color: Pack of 2
I’ve been using Sea Foam SF-16 in both my outboard motor and sailboat, and it has proven to be an invaluable product for maintaining engine performance. This motor treatment is incredibly versatile and effective, making it a staple in my marine maintenance routine. One of the standout benefits of Sea Foam SF-16 is its ability to clean and lubricate the entire fuel system. It effectively removes harmful deposits and residues that can build up over time, ensuring that my engines run smoothly and efficiently. This is particularly important for marine engines, which can be prone to issues due to the harsh operating environment. I also appreciate how Sea Foam stabilizes fuel. This is crucial for my sailboat, which sometimes sits unused for extended periods. By adding Sea Foam to the fuel tank, I can be confident that the fuel remains fresh and free from moisture, preventing potential engine problems when I’m ready to hit the water again. Another great feature is its ease of use. Simply adding the recommended amount to the fuel tank is all it takes to start seeing the benefits. I’ve noticed a significant improvement in engine performance, with smoother idling and better throttle response. It also helps reduce emissions, which is a nice bonus for the environment. Overall, Sea Foam SF-16 is a fantastic product that I highly recommend to anyone with an outboard motor or sailboat. It keeps engines clean, running smoothly, and protected from the elements, making it a must-have for any boat owner.
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Reviewed in the United States on September 24, 2024

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