Engines; parts, suitable for use solely or principally with spark-ignition internal combustion piston engines (for other than aircraft)

HS v2017 Code: 840991

About engines; parts, suitable for use solely or principally with spark-ignition internal combustion piston engines (for other than aircraft)

hs code 840991 covers a crucial component of the automotive industry - spark-ignition internal combustion piston engines and their parts. These engines are the backbone of many vehicles, powering everything from passenger cars to commercial trucks. The production and trade of these engine parts play a significant role in the global economy, supporting industries such as 870000 Motor vehicles, trailers and semi-trailers and 840000 Boilers, machinery and mechanical appliances; parts thereof.

Production process

The production of engine parts covered under hs code 840991 involves a range of advanced manufacturing techniques. Key steps include precision casting or forging of engine blocks, crankshafts, and other components, followed by meticulous machining and assembly. Quality control measures, such as rigorous testing and inspection, ensure the parts meet stringent performance and safety standards.

Production inputs

The manufacture of these engine parts requires a variety of high-quality raw materials, including metals like aluminum, steel, and cast iron. Specialized machinery, such as CNC machines and assembly lines, are essential for the efficient production of these components. Additionally, the industry relies on a skilled workforce capable of operating complex equipment and adhering to strict quality protocols.

Production outputs

The engine parts produced under hs code 840991 are primarily consumed by the 870000 Motor vehicles, trailers and semi-trailers industry, where they are used in the assembly and maintenance of various vehicle types. These parts may also find applications in other sectors, such as 842000 Machinery; nuclear reactors, boilers, parts thereof and 843000 Machinery; mechanical appliances, nuclear reactors, boilers; parts thereof.

Revisions to 840991

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 840991. The most recent 1 version of this code (840991) is in the HS v2022 system:

This page shows a legacy version of code 840991 ( HS v2017).

Family tree for engines; parts, suitable for use solely or principally with spark-ignition internal combustion piston engines (for other than aircraft)

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8409'>8409: Parts suitable for use solely or principally with the engines of heading no. 8407 or 8408</a>"]
B --> C["<a href='/classifications/hs/v2017/840991'>840991: Engines; parts, suitable for use solely or principally with spark-ignition internal combustion piston engines (for other than aircraft)</a>"]

    B --> D["<a href='/classifications/hs/v2017/840910'>840910: Engines; parts of aircraft engines (spark-ignition reciprocating or rotary internal combustion piston engines)</a>"]
B --> E["<a href='/classifications/hs/v2017/840999'>840999: Engines; parts for internal combustion piston engines (excluding spark-ignition)</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight