StanadynePerformance Formula Diesel Fuel Additive 2 Pack of 1/2 Gallon Jugs - Part # 38566

This stuff just works. I add a bit to every fill up in my 6.7L. Seller also offered a pretty good price for the speed that you get it.

I've used this product for many years on two different Cummins diesels. I've never had to replace a lift pump or an injector. My rigs have plenty of power. I will keep on keeping on with this product.

This product became unavailable in my area.Amazon to the rescue! It was the recommended fuel additive from the techs who installed my lift pump. Said older trucks like mine need something to compensate for the ultra low sulfur diesel that we have now.

I used this stuff for 5 years on my 2005 GMC Duramax. I’ve monitoried my original injectors balance rates which have 280k on them using this stuff every fill up with an occasional every other and my injector balance rates are still within spec. This is the absolute best stuff on the market hands down. I just purchased a 2021 L5P and plan to use this for its entire life. Thank you

Easy ordering , the product I ordered has good reviews, I thought I'll try it , good price , arrived on time .Using the product in diesel trucks , and other diesel powered equipment.

Use every fill up. No fuel related issues.

I use this Stanadyne in all of my diesel engines (Duramax, John Deer, Detroit). No problems, no issues.

I am always looking for products that are the real deal for the purpose I intended to be. I tried this in my F350 diesel. I noticed a very smooth idle and a superior power while driving it. It makes my truck feels more powerful and surprisingly consumes way less fuel. Follow the directions given in the product and you will for certainty notice the difference in the motor as you drive.