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

HS v2022 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 demand for these engines is closely tied to the overall health of the global automotive sector, making this code an important indicator of industrial activity and economic trends.

Production process

The production of spark-ignition internal combustion piston engines involves a complex manufacturing process. Key steps include casting engine blocks and cylinder heads, machining critical components such as crankshafts and camshafts, assembling the engine with pistons, valves, and other parts, and conducting rigorous testing to ensure quality and performance.

Production inputs

The main inputs required for the production of spark-ignition internal combustion piston engines include raw materials such as aluminum, steel, and various alloys for the engine block, cylinder heads, and other components. Specialized machinery, such as CNC machines, casting equipment, and assembly lines, are also essential. Additionally, the industry relies on a skilled workforce capable of operating these advanced production techniques.

Production outputs

The primary output of HS code 840991 is spark-ignition internal combustion piston engines and their parts, which are then consumed by other industries, particularly the 870000 Motor vehicles, trailers and semi-trailers and 840000 Machinery and mechanical appliances; parts thereof sectors. These engines are a critical component in the manufacturing of a wide range of vehicles, from passenger cars to heavy-duty machinery.

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 version):

This page shows the most recent version of code 840991.

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/v2022/84'>84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/8409'>8409: Parts suitable for use solely or principally with the engines of heading no. 8407 or 8408</a>"]
B --> C["<a href='/classifications/hs/v2022/840991'>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/v2022/840910'>840910: Engines; parts of aircraft engines (spark-ignition reciprocating or rotary internal combustion piston engines)</a>"]
B --> E["<a href='/classifications/hs/v2022/840999'>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