Other
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 3811.90.00.00
STP Oil Treatment Additive
A multi-functional engine oil additive containing viscosity improvers and anti-wear agents designed to enhance lubrication in mineral motor oils. It falls under HTS 3811.90.00.00 as a prepared additive for mineral oils used in gasoline engines, improving film strength and reducing friction. Primarily used by consumers to extend engine life in passenger vehicles.
Lucas Oil Stabilizer
Heavy-duty oil stabilizer with viscosity improvers for high-mileage engines, compatible with mineral and synthetic motor oils. Classified under HTS 3811.90.00.00 as an oxidation inhibitor and viscosity improver additive for mineral oils used in internal combustion engines. Helps prevent oil breakdown under extreme temperatures.
Sea Foam Motor Treatment
Petroleum-based cleaner and stabilizer that dissolves gum and varnish in mineral fuels and oils, acting as a gum inhibitor. HTS 3811.90.00.00 covers this prepared additive for gasoline and crankcase oils, safe for use in fuel systems. Popular for engine flush and fuel system maintenance.
BG 109 Fuel System Cleaner
Concentrated gasoline additive with detergents and gum inhibitors for mineral fuels, preventing injector deposits. Falls under HTS 3811.90.00.00 as a prepared additive for gasoline (mineral oil). Professional-grade product for automotive service centers.
Chevron Techron Concentrate Plus
Polyether amine-based gasoline additive that cleans fuel injectors and combustion chambers in mineral fuels. Classified HTS 3811.90.00.00 as other prepared additives including gum inhibitors for gasoline. Maintains fuel system efficiency in direct injection engines.
Valvoline Syn Power Fuel System Cleaner
Synthetic blend fuel additive with oxidation inhibitors for preventing fuel degradation in stored mineral gasoline. HTS 3811.90.00.00 applies to these prepared oxidation inhibitors for mineral oils/fuels. Ideal for small engines and seasonal storage.
Royal Purple Max-Boost
Octane booster and detergent package for racing fuels, containing metal deactivators and gum inhibitors. Covered by HTS 3811.90.00.00 as other additives for high-performance mineral fuels. Used in performance automotive and powersports applications.
Red Line SI-1 Fuel System Cleaner
Complete fuel system treatment with synthetic detergents and corrosion inhibitors for mineral fuels. HTS 3811.90.00.00 classification for anti-corrosive and gum inhibitor additives in gasoline. Compatible with all fuel-injected engines.
Amsoil Gasoline Stabilizer
Fuel stabilizer preventing oxidation and gum formation in stored mineral gasoline for up to 2 years. Prepared additive under HTS 3811.90.00.00 specifically as oxidation and gum inhibitors for gasoline. Essential for lawn equipment and marine applications.
Marathon Petroleum 2-Cycle Oil Additive
Power valve cleaner additive for two-stroke mineral oils, containing detergents and anti-corrosive agents. HTS 3811.90.00.00 covers these prepared additives for small engine mineral oils. Prevents carbon buildup in chainsaws and outboards.
MotorKote Hyper Lubricant
Multi-purpose penetrating lubricant additive with anti-wear and anti-corrosive properties for mineral gear oils. Classified HTS 3811.90.00.00 as other prepared additives improving mineral oil performance. Used in differentials and transmissions.
Hot Shot's Secret Diesel Extreme
Diesel fuel additive with cetane boosters, injectors cleaners, and lubricity improvers for ultra-low sulfur diesel (mineral fuel). HTS 3811.90.00.00 includes these multifunctional additives for diesel mineral oils. Restores fuel economy and injector performance.
Opti-Lube XPD Diesel Additive
XL synthetic diesel fuel additive improving lubricity, cleaning injectors, and stabilizing mineral diesel fuel. Prepared additive under HTS 3811.90.00.00 for oxidation inhibitors and other diesel treatments. Formulated for heavy-duty trucks.
Berryman B-12 Chemtool
Total fuel system cleaner with powerful solvents dissolving gum, varnish, and carbon in mineral fuels and oils. HTS 3811.90.00.00 classification for gum inhibitors and prepared cleaning additives. Safe for carburetors, injectors, and crankcase.
Power Service Diesel Kleen + Cetane Boost
Diesel fuel additive combining detergents, cetane improvers, and cold weather anti-gel for mineral diesel. Multifunctional prepared additive under HTS 3811.90.00.00 for winterized diesel performance. Prevents fuel gelling down to -10°F.