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USD 8.95
Part #: XDDPP116

XDP Diesel Power Plus Fuel Additive XDDPP116

For All Diesel Engines, 16 Oz. Bottle (Treats 500 Gallons)
Part #: XDDPP116
★★★★★ ★★★★★ 56 Reviews
Quantity Price
1-5 $8.95
6-11 $8.05
12+ $7.16
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XDP knows diesel and has wanted to offer a fuel additive for some time. Finally, after a lengthy R&D process, we are proud to present our specially formulated concentrate for the best year round use in your diesel truck. Running XDP Diesel Power Plus in our own trucks through development gives you the confidence in knowing it's now ready for the masses and is the only diesel fuel additive for your investment.

Diesel fuels have changed but the problems associated with diesel fuel equipment have not. XDP Diesel Power Plus is a special formula which is compatible with all grades of diesel fuel and designed for year round use.  XDP Diesel Power Plus contains cetane and lubricity additives to protect and enhance your engine's performance.

Totally Disperses Water
Cleans Fuel Injection System
Controls Icing & Freeze-up
Prevents formation of Algae & Bacteria
BioDiesel & ULSD Compatible
Lubricates Fuel System
Improves Fuel Economy
Decarbonizes Nozzles & Combustion Chamber
Reduces Exhaust Smoke
5% Cetane Increase
Tier 4 Engine Compliant DPF Approved 

The diesel fuel we buy is always changing in both chemical content and quality. One constant is the propensity for diesel fuel to pick up water.  Water in diesel fuel remains the number one fuel problem year round. Now that low sulfur and ultra low sulfur fuels account for the vast majority of diesel fuels used today, water is now a bigger problem than ever before.  Water damages injectors, scores pintles, creates gum and varnish, interferes with fuel combustion and harbors microbes and fungi. Diesel Power Plus contains the most effective combination of ingredients to absorb water from fuel. The unique solution prevents damage, wear and premature fuel pump failure. Diesel Power Plus also helps improve combustion and mileage, stabilizes fuel, and prevents sludge. All of these benefits in a unique formulation which contains no harmful alcohols to attack your gaskets and seals. Our concentrated formula treats 500 gallons with only ounces.

The PLUS is a 5% Cetane Increase
What is Cetane?
Generally, diesel engines run well with a Cetane Number (CN) from 40 to 55. Fuels with a higher cetane number which have shorter ignition delays provide more time for the fuel combustion process to be completed. Hence, higher speed diesels operate more effectively with higher cetane number fuels. The national CN average is 45.

XDP Diesel Power Plus vs. Stanadyne® Comparison


 Stanadyne Junior Formula®

 XDP Diesel Power Plus

1 oz. Treats

 7.5 Gallons
 32 Gallons

Alcohol Free

Avoids harmful corrosion and accelerated wear caused by alcohol use


Deposit Modifier

Softens hard deposits allowing for their removal



Cleans existing soft deposits and prevents additional deposit build-up



Coats internal parts of fuel system to allow better fuel flow and less friction


Corrosion Inhibitor

Protects fuel injection parts from rust and corrosion


Water Dispersant

Prevents excessive carry-over from underground tanks. Keeps fuel water free.


Fuel Stabilizer

Stabilizes fuel to prevent its breakdown leading to deposit formation



Fights formation of corrosion and rust, maintains potency of fuel


Cetane Improver

Improves power, reduces emissions, faster start-ups, smoother idling and acceleration



  • MFG. Number XDDPP116
  • Manufacturer Name XDP
  • Shipping Weight 1.00 lb.
  • Shipping Length 11 in.
  • Shipping Width 8 in.
  • Shipping Height 4 in.
  • Fuel Type Diesel
  • UPC 865978000007
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L645.00R430.00


★★★★★ ★★★★★
5.0/5 Stars out of 56 Reviews
Verified Buyer
Get a lot for a little! Runs great and easy to measure!
Verified Buyer
XDP power plus is Amazing!
I use this stuff for all my diesels and it makes my trucks run way better than not using it and great price! Order #1580311
Verified Buyer
Awesome stuff.
Used Lucas for a long time. Xpd is way better.. less noise. Easy to use and don’t have to use a lot of it.
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Questions and Answers

I live in tennessee - Will i need the XDP Polar D for winter or will the Diesel Power Plus Fue be fine?
View Staff Answer 

The XDP Diesel Power Plus Fuel Additive will certainly improve cold weather performance, but I’d recommend running the XDP Polar-D Winter Formula Diesel Fuel Additive once the extreme winter temperatures begin.

Diesel fuel can begin to cloud around 32ºFand gelling can begin as high as 10ºF - 15ºF (depending on fuel quality and location). Gelling of your fuel is often referred to as the CFPP (Cold Filter Plugging Point). With just 1oz of our Polar-D additive in 8 gallons of fuel you can lower the CFPP by at least 10ºF. (Add prior to filling the fuel tank to assure proper mixing)

*Keep in mind that our fuel additive is designed to help reduce the problems associated with diesel fuels in extreme temps and extend the temperature rang in which a vehicle can operate. (Fuel quality, location, and the temperature of the fuel prior to mixing can all make a difference on the additives reaction)

Is there any benefit or any harm done by exceeding the normal dose of 1oz/32 gal?
View Staff Answer 
Using more than the minimum treatment recommendation is not harmful. You can actually benefit by slightly over treating the fuel.
When it says a 5% cetane boost does that mean 5 points?
View Staff Answer 

The XDP Diesel Power Plus Fuel Additive XDDPP116 will increase cetane by 5 points.

Is it safe to use on diesel particulate filter? I have a 2015 duramax LML and don't want to void warranty
View Staff Answer 

Absolutely! – The XDP Diesel Power Plus Fuel Additive XDDPP116 is safe on all diesel engines including the newer diesel engines equipped with Diesel Particulate Filters.

Fuel additives will not and cannot void your manufactures warranty.

Do you pour both sides of the bottle into the tank or wait? Pour one side first then the other in any order?
View Staff Answer 

The XDP Diesel Power Plus Fuel Additive XDDPP116 comes in a squeeze measuring bottle. This allows you the measure just the right amount of additive without spillage or loss of product.

To use these dispensing bottles, simply loosen cap from dispensing chamber. Gently squeeze the bottle to fill measuring chamber with required amount of additive. Remove cap from dispensing chamber and easily pour the measured additive from the chamber.

(1 OZ Treats 32 Gallons of Diesel Fuel – Over treating your fuel is fine and will not harm anything)

2015 Volvo D13 Tractor - Is this product good for my application? Will it cause a warranty problem?
View Staff Answer 

Absolutely! The XDP Diesel Power Plus Fuel Additive XDDPP116 can be used on all diesel engines to Disperses Water, Clean and Lubricate the Fuel Injection System, Control Icing, Prevent Algae & Bacteria, Improve Fuel Economy and Increase Cetane.

Use of fuel preventative maintenance additive will cause no issues with your warranty.

How long will a tank of diesel fuel stay fresh, when treated with XDP if the vehicle is not driven alot ?
View Staff Answer 

Under normal storage conditions diesel fuel can be expected to stay in a useable condition


• 12 months or longer at an ambient of 20°C/68°F.

• 6-12 months at an ambient temperature higher than 30°C/86°F.

As diesel gets older a fine sediment and gum forms in the diesel brought about by the

reaction of diesel components with oxygen from the air. The fine sediment and gum will

block fuel filters, leading to fuel starvation and the engine stopping. Frequent filter changes

are then required to keep the engine going. The gums and sediments do not burn in the

engine very well and can lead to carbon and soot deposits on injectors and other combustion


The expected life of a diesel fuel is indicated by the oxidation stability test ASTM D2274.

The test measures how much gum and sediment will be deposited after keeping the fuel at

95°C/203°F in the presence of oxygen for 16 hours. It roughly corresponds to 1 year storage at

25°C/77°F. A result of less than 20mg/L of sediment and gum after the test is considered

acceptable for normal diesel.

(XDP’s Diesel Power Plus additive provides excellent stability with a result of 1.5mg/L in the ASTM D2274 test. )

do you add the xd polar with the xdm plus or just one or other
View Staff Answer 
You do not need to add the Polar D to the Plus formula. Polar D has the same features as the Plus formula but includes added benefits for cold weather performance.
Is this additive compatible with other additives, such as Opti-Lube XL?
View Staff Answer 

Yes, our XDP DIESEL POWER PLUS FUEL ADDITIVE XDDPP116 is compatible with other fuel additives.

Is this safe to use if my Engine uses Diesel Exhaust Fluid? Is this safe to use if my Engine uses Diesel Exhaust Fluid?
View Staff Answer 
Yes! The XDP Diesel Power Plus Fuel Additive is safe to use on all diesel engines, including trucks with DEF systems. Diesel Power Plus is added to your diesel fuel and is completely unrelated to your DEF system.

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