Best Diesel Fuel Additive for Your Truck
- PowerForgeDieselPerformance

- Jan 30
- 3 min read
Updated: Feb 2

You’ve probably heard of guys putting additives into their diesel tanks (whether it's a Powerstroke, Cummins, or Duramax). You know, “those guys”. From the outside, it seems like these guys are either wasting their money, or maybe use their trucks primarily for heavy hauling. You don't need an additive right? Or, maybe you don't know where to look for a good one? Either way, a lot of people don't understand diesel fuel additives, and why you should use one. For those that already know about fuel additives, which one is the best?
Why You Need Additives (The CP4 Problem)
So, why should you spend your hard earned money on a fuel additive? Your high pressure fuel pump is in charge of turning your low pressure fuel into high pressure fuel and sending it up to the injectors. High pressure fuel pumps can go up to 30,000psi and higher. Your injectors have extremely small orifices that inject that fuel. Each of these components are working hard. Both of these components only use the fuel that's going through them to lubricate themselves. That is by design. That wouldn't be an issue, except the diesel fuel quality in America is not great. In fact, the ultra low sulfur diesel we have here in the states does NOT sufficiently lubricate the high pressure fuel pump and injectors. This can easily cause premature wear or if you have a CP4 pump that plagues the 6.7l Powerstrokes and some LML Duramax and Cummins platforms, can grenade itself and take out your entire fuel system. Diesel fuel additives across the board are mainly used to increase fuel lubricity to save your high pressure fuel components, ultimately letting you see us, Power Forge Diesel in Yuma, less often.
The Best Additive: Opti-Lube
What diesel fuel additive is the best? Now, this can vary widely depending on who you ask. Power Forge Diesel in Yuma does not guess, we go off of clear third party data. We believe that Opti-Lube makes the best fuel additive across the board.
Here is a link: https://www.opti-lube.com/products/c29e76e733/3737200000003126543.
Opti-Lube All Season (formally known as “All-In-One”) is the best option for protecting your truck’s fuel system in any environment. I run this on my personal trucks when I travel. We are from Yuma, AZ, born and raised, and for everyone else that are Yuma locals, we don't need an additive that anti gels our diesel when it gets below freezing, because it never does! So, Optilube again has an option for us that focuses mainly on Lubricity.
Here is a link to that: https://www.opti-lube.com/products/j9699af10f/3737200000003153238.
We are not sponsored by Optilube, we have just done our research and used their products enough in the real world to know that optilube makes the best diesel fuel additive. Optilube makes fuel additives for whatever goals you have in mind for your truck. We recommend all of them depending on your use. Here is a link to third party testing for optilube: https://youtu.be/V_iGOXq7DCM?si=g8xgxQBhJAqsoCMn.
Benefits of Fuel Additives
What other benefits does optilube diesel fuel additives provide? I'm going to just list them: Improved fuel economy, Increased power, reduced deposits, reduced emissions, prevents rust & corrosion, cleans injectors or keeps them clean, improved storage stability, improved water separation, improved cold weather performance and compatible with all vehicle emissions systems and compatible with a Fass Fuel System.
Protect Your Investment
If this doesn't have you purchasing a gallon of optilube diesel fuel additive, then I guess we'll see you at our garage in Yuma for fuel system related issues. That's fine by us, but we won't let you leave our shop until you have an optilube diesel fuel additive actively being shipped to your door. Any diesel fuel additive is better than not using one (for the most part), but why skimp out on a lower quality additive with a large following of people who don't look at third party testing? Get the best, protect your truck and wallet and throw in some Optilube additive in every fuel tank fillup.
Power Forge Diesel: 7814 E 46th Lane Yuma, Arizona 85365
Phone: (928) 888-9685




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