does it contain antigel

The performance does have a antigel the winter formula is for extreme cold weather

Is this compatable with def (diesel exhaust fluid) engines. i'm in ca and have a 2011 duromax.

Like other popular additives on the market, the use does not have any bearing on the use of DEF as the DEF is part of the "after combustion stage" of any modern pick-up truck diesel engine. Stanadyne additive is one of the better additives with regards to helping to keep the injectors lubricated during use which also helps to keep them clean and therefore greatly aides in cooling the injectors which are the 3 components of any good diesel fuel; Fuel for combustian-Lubrication of pumps & injectors-Cooling of Injectors, therefore, longer life expectancy! The idea of increasing the cetane rating might be true for some of the additives one can buy, but that is really not the reason to buy any diesel additive! DEF is injected after the combustion process and only used to help dissolve and burn out any particulate matter being emitted in the exhaust.

How often do you use it? Is every fill up ok?

Yes I use 6oz every fill up it is great for the engine and increases power

What is the dosing ratio of additive to diesel fuel?

.26 ounces per gallon of diesel.

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Stanadyne Diesel Performance Formula 38566, 64 Ounce

Stanadyne Diesel Performance Formula 38566, 64 Ounce

Product ID: 572485623

Details

Brand
Stanadyne
Liquid volume
64 Fluid
Package information
Bottle
SAE J300 Viscosity Grade
5W-30
Vehicle service type
Bus Truck

🔥Meets Cummins L10 Superior cleanliness test

⚙️Universal fit for all diesel engines

🛢️64 oz premium all-season formula

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Description

⚡ Fuel your diesel’s potential with the ultimate performance boost!

ALL SEASON POWER - Optimized for year-round use, ensuring peak diesel performance no matter the climate.
PROVEN PERFORMANCE - Outperforms competitors in independent testing to keep your engine running smoother, longer.
ENGINEERED BY EXPERTS - Crafted by a leading fuel injection equipment manufacturer for precision and quality.
OEM APPROVED EXCELLENCE - Trusted by industry giants like GM, Ford, Deere & Navistar for unmatched reliability.
ONE FORMULA INFINITE SOLUTIONS - Tackles virtually every diesel fuel problem with a single, powerful additive.

Stanadyne Diesel Performance Formula 38566 is a 64-ounce, premium all-season diesel fuel additive designed to solve virtually all diesel fuel-related issues. Approved by major OEMs and meeting the rigorous Cummins L10 Superior cleanliness test, it delivers proven, independent test-backed performance for buses, trucks, and other diesel vehicles. Engineered by a top fuel injection equipment manufacturer, this universal-fit formula ensures cleaner, more efficient engine operation year-round.

Specifications

ASIN	B000M5QPSY
Automotive Fit Type	Universal Fit
Best Sellers Rank	41,067 in Automotive ( See Top 100 in Automotive ) 256 in Fuel Systems
Brand	Stanadyne
Brand Name	Stanadyne
Compatible with Vehicle Type	Bus, Truck
Container Type	Bottle
Customer Reviews	5.0 out of 5 stars 2 Reviews
Liquid Volume	64 Fluid Ounces
Liquid volume	64 Fluid Ounces
Manufacturer	Stanadyne
Manufacturer Part Number	38566
Model Number	5
Package information	Bottle
SAE J300 Viscosity Grade	5W-30
Size	64oz
UPC	753167924442 026508385661
Unit Count	1892.7 millilitre
Vehicle service type	Bus, Truck

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R$2378

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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