Find HS Code and trade information for fuel pump assembly

Fuel Pump Assembly

A fuel pump assembly is a critical component of an internal combustion engine's fuel delivery system, responsible for transferring fuel from the fuel tank to the engine. It is typically located within the fuel tank itself, though external configurations exist, particularly in older vehicles.

Material:

• Pump Body: Commonly constructed from polymers (like thermoplastic or nylon) for corrosion resistance and compatibility with various fuel types. Metal housings (aluminum or steel) are used in higher-performance applications or for increased durability.
• Pump Components (Impeller, Gears, etc.): Often made of steel alloys, stainless steel, or specialized polymers designed to withstand wear and fuel degradation.
• Filter Sock: Typically nylon or a similar synthetic material, designed to trap debris and prevent contaminants from reaching the pump and fuel injectors.
• Seals & O-Rings: Viton, nitrile rubber, or other fuel-resistant elastomers.
• Wiring & Connectors: Copper wiring with plastic insulation and connectors.

Purpose:

The primary purpose of the fuel pump assembly is to provide a consistent and adequate supply of fuel pressure to the fuel injectors or carburetor, ensuring proper engine operation. It overcomes the suction limitations of the engine and maintains pressure despite varying engine demands.

Function:

The assembly functions through several key components:

• Fuel Pump: The core component, utilizing either mechanical or electrical power to move fuel.
• Fuel Level Sensor (often integrated): Indicates the amount of fuel remaining in the tank.
• Fuel Filter: Removes contaminants from the fuel before it reaches the pump and engine.
• Check Valve: Prevents fuel from flowing back into the tank when the engine is off.
• Strainer/Sock: A coarse filter at the pump inlet to catch larger particles.
• Float Vent Valve: Maintains pressure equalization within the tank and prevents vapor lock.

Usage Scenarios:

Fuel pump assemblies are essential for the operation of:

• Gasoline Engines: Most common application.
• Diesel Engines: Diesel fuel pump assemblies are designed to handle the higher pressures and different properties of diesel fuel.
• Flex-Fuel Vehicles: Assemblies are constructed with materials compatible with ethanol-blended fuels (E85, etc.).
• Modern Fuel-Injected Systems: Essential for providing the high, consistent fuel pressure required by fuel injectors.
• Older Carbureted Systems: Provide a lower-pressure fuel supply to the carburetor.

Common Types:

• Mechanical Fuel Pumps: Driven by the engine's camshaft. Less common in modern vehicles. Produce lower pressure.
• Electric In-Tank Fuel Pumps: The most common type in modern vehicles. Submerged in the fuel tank for cooling and quieter operation. Provide higher, more consistent pressure.
• Electric External Fuel Pumps: Mounted outside the fuel tank. Used in high-performance applications or older vehicles.
• Gerotor Pumps: A type of electric pump utilizing a rotating gear set to generate pressure.
• Turbine Pumps: Used in high-flow applications, often in racing or performance vehicles.
• Variable Speed Pumps: Adjust fuel flow and pressure based on engine demand, improving efficiency.

Fuel pump assemblies fall under components used for transferring liquids, specifically fuels, within internal combustion piston engines. Here's a breakdown of relevant HS codes based on the provided information:

• 8413309030: This HS code covers pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof, specifically Fuel, lubricating or cooling medium pumps for internal combustion piston engines: Other Fuel pumps. This is the most direct match for a fuel pump assembly. The total tax rate is 57.5% (basic tariff: 2.5%, additional tariff: 25.0%, post-April 2, 2025, additional tariff: 30.0%).
• 8413919010: This HS code covers Parts: Of pumps: Other Of subheading 8413.30.90. If the fuel pump assembly is being imported as individual components or a disassembled kit, this code may be applicable. The total tax rate is 55.0% (basic tariff: 0.0%, additional tariff: 25.0%, post-April 2, 2025, additional tariff: 30.0%).
• 8487900080: This HS code covers Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter: Other Other. If the fuel pump assembly lacks electrical components, this code could be considered. The total tax rate is 83.9% (basic tariff: 3.9%, additional tariff: 25.0%, post-April 2, 2025, additional tariff: 30.0%, plus a 25% additional tariff on steel or aluminum products).
• 8487900040: This HS code covers Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter: Other Oil seals, other than those of chapter 40. If the assembly includes oil seals as a component, this code may be relevant. The total tax rate is 58.9% (basic tariff: 3.9%, additional tariff: 25.0%, post-April 2, 2025, additional tariff: 30.0%).
• 8548000000: This HS code covers Electrical parts of machinery or apparatus, not specified or included elsewhere in this chapter. If the fuel pump assembly incorporates electrical components (e.g., sensors, motors), this code should be considered. The total tax rate is 55.0% (basic tariff: 0.0%, additional tariff: 25.0%, post-April 2, 2025, additional tariff: 30.0%).

Important Note: Regarding HS code 8487900080, please note the additional 25% tariff applies if the product is made of steel or aluminum.