Chapter 3811 — Customs Tariff Headings

Aviation 100LL TEL Antiknock Compound

A specialty compound of tetraethyl lead (TEL) formulated for the production of 100LL low-lead aviation gasoline. It acts as an anti-knock preparation for mineral oils, specifically gasoline, and is based on lead compounds, meeting the tariff item's description.

Aviation Leaded Antiknock Mixture

A specialized anti-knock preparation with lead compounds for 100LL avgas (low-lead aviation gasoline) to suppress detonation in piston aircraft engines. It is based on lead compounds and falls under this tariff item for lead-based anti-knock preparations.

Classic Car TEL Octane Improver

A tetraethyl lead-based additive designed for vintage and classic car engines using leaded gasoline formulations. It serves as an anti-knock preparation for mineral oils, specifically gasoline, and is based on lead compounds, fitting the tariff item's scope.

High-Performance Leaded Fuel Additive

A lead-based anti-knock concentrate for drag racing and classic car fuels, enhancing combustion stability in high-compression engines. It is based on lead compounds and serves as an anti-knock preparation for mineral oils, specifically gasoline.

Leaded Octane Booster Concentrate

A concentrated blend containing organolead compounds like tetraethyllead designed to boost octane levels in racing fuels and aviation gasoline. It is based on lead compounds and falls under this tariff item for lead-based anti-knock preparations.

Marine Engine Leaded Antiknock

A prepared additive containing lead compounds for two-stroke marine outboard motors using high-octane gasoline blends. It serves as an anti-knock preparation for mineral oils, specifically gasoline, and is based on lead compounds, fitting this tariff item.

TEL Lead Additive for Racing Fuels

A high-concentration tetraethyl lead additive for drag racing and motorsport fuels requiring extreme octane levels. It functions as an anti-knock preparation for gasoline, based on lead compounds, and is classifiable under this tariff item.

TEL-TML Mixture Aviation Fuel Booster

A prepared additive blending tetraethyl lead (TEL) and tetramethyl lead (TML) to boost octane in 100LL avgas for piston aircraft. It is based on lead compounds and serves as an anti-knock preparation for mineral oils, specifically aviation gasoline.

Tetraethyl Lead Gasoline Antiknock Additive

A lead-based anti-knock preparation containing tetraethyl lead for enhancing octane ratings in aviation gasoline. It is specifically based on tetraethyl lead, used to prevent engine knock, and falls under this tariff item for lead-based anti-knock preparations.

Tetraethyllead (TEL) Antiknock Additive

Tetraethyllead (TEL) is a classic organolead compound used as an anti-knock agent in gasoline engines to prevent engine knocking by increasing octane rating. This prepared additive is based on lead compounds and falls under this tariff item for anti-knock preparations.

Vintage Engine TEL Fuel Treatment

A tetraethyl lead treatment for restoring performance in pre-1970s automobile engines. It is based on TEL for anti-knock in gasoline, fitting this tariff item precisely, and helps prevent pinging in high-compression classic motors.

Aviation 100LL Octane Enhancer

Aviation 100LL Octane Enhancer is a specialized antiknock additive formulated to meet ASTM D910 specifications for low-lead aviation gasoline. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, specifically designed for aviation fuels.

Ferrocene Octane Booster Concentrate

Ferrocene Octane Booster Concentrate is an organometallic additive that enhances gasoline octane ratings without lead. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, commonly used in racing and premium fuels.

Hi-Test Octane Booster Concentrate

Hi-Test Octane Booster Concentrate is a blend of alkyl nitrates and aromatic hydrocarbons designed for substantial octane improvement in gasoline. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, suitable for racing and off-road fuels.

Marine Gasoline Antiknock Stabilizer

Marine Gasoline Antiknock Stabilizer is an ethanol-compatible additive that prevents detonation in two-stroke outboard motors under high loads. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for marine mineral oils.

MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive

MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive is an organometallic antiknock compound that boosts octane ratings in gasoline engines. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, despite regulatory restrictions in some jurisdictions.

Polyether Amine Fuel System Cleaner Additive

Polyether Amine Fuel System Cleaner Additive is a high-potency antiknock formulation that also cleans injectors and prevents carbon deposits. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for mineral oils, despite its cleaning benefits.

Premium Unleaded Octane Plus Treatment

Premium Unleaded Octane Plus Treatment is a consumer octane booster using proprietary ether technology for modern vehicles. It falls under tariff item 3811.19.00 as an 'other' antiknock preparation for retail gasoline, suitable for standard automotive use.

Racing Fuel TEL-Free Antiknock Package

Racing Fuel TEL-Free Antiknock Package is a comprehensive antiknock system using manganese and iron organometallics for methanol racing fuels. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation compatible with alcohol-based racing fuels.

Snowmobile High-Octane Fuel Treatment

Snowmobile High-Octane Fuel Treatment is a cold-weather antiknock formulation for two-cycle snowmobile engines operating at high altitudes. It falls under tariff item 3811.19.00 as a specialized antiknock preparation for winter recreational fuels.

Tetraethyllead TEL Replacement Blend

Tetraethyllead TEL Replacement Blend is a modern substitute formulation using non-lead organometallics for aviation gasoline antiknock performance. It is classified under tariff item 3811.19.00 as an 'other' antiknock preparation for aviation mineral oils.

Automotive Grease Thickener Additive

A thickening agent for lithium grease formulations, containing petroleum carrier oils to achieve the desired consistency in automotive bearings. This additive is specifically formulated for use in lubricating oils, making it classifiable under tariff item 3811.21.00.

Bituminous Mineral Oil Anti-Wear Additive

An anti-wear concentrate with bituminous mineral oils designed for heavy-duty engine lubricants to reduce friction in diesel engines. This additive is specifically formulated to be blended into lubricating oils, qualifying it for classification under tariff item 3811.21.00.

Compressor Oil Oxidation Stabilizer

A stabilizer additive containing bituminous mineral oils for rotary screw compressor lubricants, designed to extend oil life by preventing oxidation. This product is a lubricating oil additive with a petroleum oil base, making it classifiable under tariff item 3811.21.00.

Gasoline-Engine Oil Antioxidant Additive

An oxidation inhibitor additive with petroleum base oils for gasoline engine oils, preventing sludge formation and improving oil performance. This product is specifically formulated as a lubricating oil additive containing petroleum oils, falling under tariff item 3811.21.00.

Heavy Duty Diesel Oil Detergent Additive

A detergent dispersant additive containing petroleum oils for diesel engine crankcase lubricants, designed to clean deposits and keep engines running smoothly. This additive is specifically for lubricating oils and contains petroleum oils, classifying it under tariff item 3811.21.00.

Industrial Hydraulic Oil Anti-Corrosion Additive

An anti-corrosive preparation with bituminous oils for hydraulic lubricating oils in machinery, protecting metal surfaces from rust and corrosion. This additive is formulated for lubricating oils and contains petroleum oils, making it classifiable under tariff item 3811.21.00.

Marine Cylinder Oil Pour Point Depressant

A pour point depressant additive blended with petroleum oils for marine cylinder lubricants, ensuring proper flow in cold conditions. This additive is specifically for lubricating oils and contains petroleum oils, qualifying it for tariff item 3811.21.00.

Petroleum-Based Motor Oil Additive Pack

A prepared additive blend containing petroleum oils designed to enhance the viscosity and anti-wear properties of motor oils. This product is specifically formulated for lubricating oils and contains petroleum oils, making it classifiable under tariff item 3811.21.00.

Petroleum-Infused Transmission Fluid Improver

An additive for automatic transmission fluids with petroleum oils, improving friction modifiers and seal conditioners. This product is specifically formulated for lubricating oils and contains petroleum oils, classifying it under tariff item 3811.21.00.

Petroleum Oil Viscosity Improver for Gear Lubes

A viscosity improver additive infused with petroleum oils for gear and transmission lubricants, maintaining performance under high shear conditions. This additive is specifically for lubricating oils and contains petroleum oils, making it classifiable under tariff item 3811.21.00.

Amsoil Shock Therapy Transmission Additive

> A synthetic additive designed for automatic transmission fluids, this product stops slippage and reduces harsh shifts by modifying the fluid's friction properties. It falls under tariff item 3811.29.00 as an "other" prepared additive for lubricating oils, specifically formulated for transmission applications.

BG 109 Engine Flush Additive

> A concentrated cleaner additive that removes sludge and deposits when added to engine oil before an oil change. This product is a prepared additive for lubricating oils, classified under 3811.29.00 as it is not elsewhere specified and serves a cleaning function within the lubricating system.

Hot Shot's Secret FR3 Friction Reducer

> A nano-engineered additive that reduces friction in diesel and gasoline engines, improving fuel economy and extending component life. It is a prepared additive for lubricating oils, not elsewhere specified, and therefore falls under tariff item 3811.29.00.

Lucas Oil Stabilizer Heavy Duty Oil Additive

> A petroleum-based thickener that blends with motor oil to increase viscosity and provide extra protection under high heat. This viscosity improver is a prepared additive for lubricating oils and is classified under tariff item 3811.29.00 as an "other" additive.

Prolong Super Lubricants AFL Additive

> An anti-friction lubricant using advanced technology for racing and high-performance engines. It chemically bonds to metal surfaces for permanent protection and is a prepared additive for lubricating oils, classified under tariff item 3811.29.00.

Royal Purple Max-Tuff Gear Oil Additive

> An extreme pressure additive containing ZDDP for hypoid gear oils in differentials and manual transmissions. This product enhances the performance of lubricating oils under severe shock loading and is classified under tariff item 3811.29.00 as an "other" additive.

Sea Foam Motor Treatment Oil Additive

> A petroleum distillate-based additive that cleans fuel systems and lubricates upper cylinders when used in oil. It is a multifunctional prepared additive for mineral lubricating oils, classified under tariff item 3811.29.00.

STP Oil Treatment Additive

> A friction-reducing formula with polymers that improves oil flow and reduces engine wear in passenger vehicles. This product is a prepared additive for lubricating oils, classified under tariff item 3811.29.00 as an "other" additive.

Valvoline SynPower Full Synthetic Motor Oil Additive

> A full synthetic motor oil additive containing zinc dialkyldithiophosphate (ZDDP) and detergents to enhance lubrication and reduce wear in high-performance engines. It is a prepared additive for lubricating oils, classified under tariff item 3811.29.00.

Wynn's Friction Proven Engine Treatment

> A treatment containing micron-sized particles that form a protective coating on metal surfaces when added to motor oil. This anti-wear additive for lubricating oils is classified under tariff item 3811.29.00 as an "other" additive.

Amsoil Gasoline Stabilizer

Amsoil Gasoline Stabilizer is a prepared additive formulated to prevent oxidation and gum formation in stored mineral gasoline, extending fuel life for up to two years. It falls under tariff item 3811.90.00 as an 'Other' additive for lubricating oils, specifically functioning as an oxidation and gum inhibitor for gasoline.

Berryman B-12 Chemtool

Berryman B-12 Chemtool is a total fuel system cleaner containing powerful solvents that dissolve gum, varnish, and carbon deposits in mineral fuels and oils. It is classified under tariff item 3811.90.00 as a prepared cleaning additive for gasoline, functioning as a gum inhibitor and deposit remover.

BG 109 Fuel System Cleaner

BG 109 Fuel System Cleaner is a concentrated gasoline additive with detergents and gum inhibitors designed to prevent injector deposits in mineral fuels. It falls under tariff item 3811.90.00 as a prepared additive for gasoline, classified as 'Other' additives for lubricating oils.

Chevron Techron Concentrate Plus

Chevron Techron Concentrate Plus is a polyether amine-based gasoline additive that cleans fuel injectors and combustion chambers in mineral fuels. It is classified under tariff item 3811.90.00 as a prepared additive for gasoline, including gum inhibitors, and is used to maintain fuel system performance.

Hot Shot's Secret Diesel Extreme

Hot Shot's Secret Diesel Extreme is a diesel fuel additive with cetane boosters, injector cleaners, and lubricity improvers for ultra-low sulfur diesel, a mineral fuel. It falls under tariff item 3811.90.00 as a multifunctional prepared additive for diesel, classified as 'Other' additives.

Lucas Oil Stabilizer

Lucas Oil Stabilizer is a heavy-duty oil stabilizer with viscosity improvers for high-mileage engines, compatible with mineral and synthetic motor oils. It is classified under tariff item 3811.90.00 as an oxidation inhibitor and viscosity improver additive for lubricating oils.

Marathon Petroleum 2-Cycle Oil Additive

Marathon Petroleum 2-Cycle Oil Additive is a power valve cleaner additive for two-stroke mineral oils, containing detergents and anti-corrosive agents. It falls under tariff item 3811.90.00 as a prepared additive for small engine mineral oils, preventing carbon buildup.

MotorKote Hyper Lubricant

MotorKote Hyper Lubricant is a multi-purpose penetrating lubricant additive with anti-wear and anti-corrosive properties for mineral gear oils. It is classified under tariff item 3811.90.00 as a prepared additive improving mineral oil performance, used in various applications.

Opti-Lube XPD Diesel Additive

Opti-Lube XPD Diesel Additive is an XL synthetic diesel fuel additive that improves lubricity, cleans injectors, and stabilizes mineral diesel fuel. It falls under tariff item 3811.90.00 as a prepared additive for oxidation inhibitors and other diesel treatments.

Power Service Diesel Kleen + Cetane Boost

Power Service Diesel Kleen + Cetane Boost is a diesel fuel additive combining detergents, cetane improvers, and cold weather anti-gel for mineral diesel. It is classified under tariff item 3811.90.00 as a multifunctional prepared additive for winterized diesel performance.

Red Line SI-1 Fuel System Cleaner

Red Line SI-1 Fuel System Cleaner is a complete fuel system treatment with synthetic detergents and corrosion inhibitors for mineral fuels. It falls under tariff item 3811.90.00 as an anti-corrosive and gum inhibitor additive for gasoline, compatible with all fuel-injected engines.

Royal Purple Max-Boost

Royal Purple Max-Boost is an octane booster and detergent package for racing fuels, containing metal deactivators and gum inhibitors. It is classified under tariff item 3811.90.00 as an additive for high-performance mineral fuels, used in performance automotive applications.

Sea Foam Motor Treatment

Sea Foam Motor Treatment is a petroleum-based cleaner and stabilizer that dissolves gum and varnish in mineral fuels and oils, acting as a gum inhibitor. It falls under tariff item 3811.90.00 as a prepared additive for gasoline and crankcase oils, safe for use in various engines.

STP Oil Treatment Additive

STP Oil Treatment Additive is a multi-functional engine oil additive containing viscosity improvers and anti-wear agents designed to enhance lubrication in mineral motor oils. It falls under tariff item 3811.90.00 as a prepared additive for mineral oils, improving performance.