Engine piston, 84 mm, Shibaura N844, Shibaura D258F, 5-23-201-46, 16641-21112, 115101749, 40253600, 115017491, 2973080, WG101644
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  • Engine piston, 84 mm, Shibaura N844, Shibaura D258F, 5-23-201-46, 16641-21112, 115101749, 40253600, 115017491, 2973080, WG101644
  • Engine piston, 84 mm, Shibaura N844, Shibaura D258F, 5-23-201-46, 16641-21112, 115101749, 40253600, 115017491, 2973080, WG101644
  • Engine piston, 84 mm, Shibaura N844, Shibaura D258F, 5-23-201-46, 16641-21112, 115101749, 40253600, 115017491, 2973080, WG101644
  • Engine piston, 84 mm, Shibaura N844, Shibaura D258F, 5-23-201-46, 16641-21112, 115101749, 40253600, 115017491, 2973080, WG101644

Engine Piston / Ø 84 mm / STD / Shibaura N844 / Shibaura D258F

Product code: 5-23-201-46
Brand
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zł178.86 netto
zł220.00
Includes VAT 23%

Lowest price from 30 days: zł220.00

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Available
12 pieces
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Product description

Engine piston (rings %C5% 9Bci-do-yanmar/843-zestaw-pier %C5% 9Bcieni-do-t %C5% 82oka-yanmar-2010-shibaura-d258f.html">6-26-100-50 ) with an outer diameter of 84 mm and a total height of 87.50 mm for Shibaura tractors of the Shibaura D258F series with Shibaura N844 engines and others. The engine piston is a moving element responsible for converting gas and energy generated during combustion to the crankshaft, which is then converted into engine power. The piston is connected to the crankshaft by an element called a connecting rod with pin connections. At the top of the piston there are ring channels for mounting the piston rings, in the middle there is a hub for connection to the connecting rod. At the top there is the so-called bottom, which, depending on the type of engine, may have different shape. Due to the very difficult working conditions, engine pistons are most often made of aluminum and silicon alloys.

Dimensions :

  • outer diameter: 84 mm,
  • height: 71 / 87.50 mm,
  • pin hole diameter: 28 mm,
  • pin diameter: 27.90 mm,
  • pin length: 72 mm,
  • valve seat depth: 3.00 mm,
  • distance from the end of the pin hole to the lower edge of the piston: 9 mm,
  • Distance from edge of pin hole to top of piston: 33.50 mm.
  • width of ring grooves ( %C5% 9Bci-do-yanmar/843-zestaw-pier %C5% 9Bcieni-do-t %C5% 82oka-yanmar-2010-shibaura-d258f.html">6-26-100-50 ) from the top of the piston: 2.00 / 1.50 / 4.00 mm,
  • original part number: 16641-21112,
  • reference numbers: 2973080, 40253600, 115017491, 115101749, WG1016449,
  • part numbers: 5-23-201-46.

Engine models :

Shibaura :

  • Shibaura N844.

Tractor models :

Shibaura :

  • Shibaura D258F.

Magazine : K18 A23

*Photos are for illustrative purposes only and may differ in detail from the delivered product due to differences in production over the years.

Specifications

Condition
New
Engine model
Shibaura N844

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Questions & Answers

Why is regular filter replacement (oil, air, fuel) crucial for a mini tractor?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
Regular filter replacement is the easiest way to extend the life of an engine from brands like Kubota or Yanmar. The oil filter removes metallic contaminants generated during operation, the air filter protects the cylinders from field dust, and the fuel filter prevents water and dirt from damaging the precision injection system. We recommend replacing filters every 50-100 operating hours or at least once per season to ensure optimal engine performance.

How to properly select and sharpen mower blades for a Japanese tractor?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
When selecting mower blades, consider the mower deck model and the blade length and center bore diameter. Maintaining blade balance is crucial when sharpening – an unbalanced blade causes vibrations that damage the hub bearings. Remember that sharp blades mean healthier grass, a cleaner cut, and less strain on the engine of your Iseki or Mitsubishi tractor.

How to identify the correct V-belt size and how to care for it?

User
Ekspert Traktor.com.pl – Doradca techniczny • 17.02.2026
It's best to read the markings on the side of the old V-belt. If they are illegible, measure the belt width and its outer length (La). On Shibaura and Hinomoto tractors, it's important to regularly check the belt tension – too loose a belt will cause slippage and faster wear, while too tight a belt can cause alternator or water pump bearing failure.

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