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

⛽Universal diesel fuel additive

❄️All-season fuel optimization

🛠️OEM-approved performance

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Description

⛽ Elevate your diesel game with the ultimate all-in-one performance formula!

ALL SEASON POWER BOOST - Optimized for year-round performance, ensuring smooth operation in any climate.
OEM BACKED RELIABILITY - Trusted and approved by industry giants like GM, Ford, Deere & Navistar.
PEAK CLEANLINESS CERTIFIED - Meets Cummins L10 Superior Test for unmatched fuel system cleanliness.
ONE FORMULA INFINITE FIXES - Tackles virtually every diesel fuel problem with a single, powerful additive.
FUEL INJECTION MANUFACTURER EXPERTISE - Crafted by Stanadyne, a leader in fuel injection technology for guaranteed quality.

Stanadyne Diesel Performance Formula 38566 is a premium 64-ounce universal diesel fuel additive designed to solve virtually all diesel fuel-related issues. Approved by major OEMs and meeting rigorous Cummins L10 cleanliness standards, it ensures superior fuel system performance and reliability across all seasons. Manufactured by a leading fuel injection equipment expert, this formula is the go-to solution for professional-grade diesel maintenance.

Specifications

ASIN	B000M5QPSY
Automotive Fit Type	Universal Fit
Best Sellers Rank	51,812 in Automotive ( See Top 100 in Automotive ) 295 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
Number of Packs	1
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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HK$1313

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

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