Stanadyne Performance Formula Diesel Fuel Additive - 16 Oz. Case of 12 Bottles

Amazon man: This fuel additive is excellent for your whole fuel system and fuel mileage. My 6.7 Cummins loves this stuff. I will be buying more in the future for sure.

United States on Sep 09, 2023

BoatmanBoatman: I think Stanadyne Performance Formula Diesel Fuel Additive helps the engine last longer.
I got 550,000 miles out the first engine.
My opinion, Boatman

United States on May 24, 2023

Matthew: I have been using stanadyne for 7 years. My duramax likes it. While installing a lift pump I look in the fuel tank, looked brand new. No dirt, water, nothing.
….. I have a 1970s tractor. They had higher sulfur (lubricant) diesel. I added some out of curiosity, while running, Immediate change. Tractor ran much quieter and smoother. This stuff works

United States on Mar 28, 2023

Homer van Meter: If you have a Diesel engine, truck, car or something else, you need a fuel additive. Have used for years in the tractor. Never a fuel issue. I was using the Ford Performance Enhancer & Cetane Boost in my truck, but during the freeze of 2021, it did not prevent icing--really not its fault as it does not have anti gel capabilities. They make one that does, but it does not boost cetane. This does it all; is economical (8 oz to a full tank) and seems to keep things going. Stanadyne, a maker of fuel injection parts, was not happy with the available additives and, so, developed their own. It may be like taking vitamins--if you don't get ill was it because of the supplement--but, it is cheap enough and the fuel is of such low quality that it seems to be good insurance. Some improvement in fuel economy and performance, also a plus.

United States on Oct 26, 2022

Thomas H.: I drive a 2016 Ram 3500 with the Aisin transmission so I have the highest of the 3 power ratings the Cummins come with for that model year. I've always run an additive in it since the day I bought it. I was using another brand that is sometimes considered number one depending on the review you're reading.

In a lot of the reviews I came across this additive was also at the top so I decided to do some more research. One of the first things I liked is that it's developed by a company that makes fuel system components for diesels. The second is that it's actually endorsed by some of the vehicle manufacturers. Third is that everything you need (cleaning, lubrication, cetane booster, winterizer/anti-gel and so on) is in one bottle.

I called Stanadyne because you can get bottles for one specific purpose such as lubricity or winterizer and I was curious if those are more effective at doing that specific job than the blue bottle that contains them all in one. They do not, it's just as effective in the blue bottle as it is in the individual bottles however, the treatment ratio is different.

I was still hesitant to purchase this stuff since I couldn't buy it in the big...

United States on Jun 14, 2017