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Your cart is empty.Specifically designed for diesel engines, ACDelco Diesel Exhaust Fluid (DEF) is an aldehyde free, NOx (Nitrous Oxide) reducing treatment. ACDelco Diesel Exhaust Fluid is a stable, colorless, non-flammable, non-toxic primary component used to help convert NOx, an environmental pollutant, into harmless nitrogen and water. This product is a mixture of high purity synthetic urea and deionized water and is classified as minimum risk for transportation. ACDelco Diesel Exhaust Fluid meets the stringent ISO 22241 standard for purity and concentration, meets API regulations, and meets GM OE specifications.
VK
Reviewed in the United States on February 22, 2025
DEF
Norm Bednarek
Reviewed in the United States on August 29, 2024
Just what I needed. Reasonable price.
Brad Boyle
Reviewed in the United States on June 1, 2024
Great product and satisfies GM warranty. This is the only additive I buy
Steve-o
Reviewed in the United States on December 29, 2024
This is what my mechanic recommends for my Chevy duramax. After having issues with my detft tank This is the only deft I will use
Dean's Performance
Reviewed in the United States on December 17, 2024
Always great prices on Amazon
Lorenzo
Reviewed in the United States on November 29, 2024
Top off the Silverado diesel. No issues.
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