Adds Protection – Increases fuel lubricity by up to 56% for an added layer of protection that keeps fuel pumps and injectors from unnecessary damage or failure, and adds lubricity back to Ultra Low Sulfur Diesel (USLD)
No Harmful Ingredients – LX4 is formulated without harmful solvents or alcohol making it a safe and effective fuel treatment for all systems and engines
Extends Fuel System Life – Protects any fuel system from harsh ethanol or diesel fuels and maintains a smoothly working engine and fuel system, keeping it healthy for even longer
Lubricates Upper Cylinder – Works with any gasoline, ethanol, or diesel fuel to lubricate and protect the upper cylinder and other key engine and fuel system components
Versatile – Perfect for gasoline or diesel engines, LX4 can also be used with fuel stabilizers and fuel system treatments to keep your vehicle at peak performance

$16.94

Enhances the performance and efficiency of the engine to extend its life
Excellent filter capacity, efficiency, and flow management for superior performance
Supplies the cleanest possible air with the least airflow restriction to the engine for enhanced performance
Equipped with tight seals to keep unfiltered air from entering the combustion chamber
Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

$32.28