Engine piston, Kubota, 80mm, 16427-21110, 16427-21913, D1403, V1903
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  • Engine piston, Kubota, 80mm, 16427-21110, 16427-21913, D1403, V1903
  • Engine piston, Kubota, 80mm, 16427-21110, 16427-21913, D1403, V1903
  • Engine piston, Kubota, 80mm, 16427-21110, 16427-21913, D1403, V1903
  • Engine piston, Kubota, 80mm, 16427-21110, 16427-21913, D1403, V1903

Engine piston / Ø 80 mm / STD / Kubota D1403 / V1903 / Kubota GL19 / GL21 / GL200 / GL201 / L2500 / L3600 / L3710 / L4200

Product code: D1403_P
Brand 4FARMER
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zł146.34 netto
zł180.00
Includes VAT 23%

Lowest price from 30 days: zł180.00

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Product description

Engine piston (rings 16427-2105, 16108001-00, head gasket 16427-03310) with an outer diameter of 80 mm and a total height of 78 mm for Kubota tractors Kubota GT-19, Kubota GT-21 , Kubota GL19, Kubota GL21, Kubota GL200, Kubota GL201, Kubota L2500 , Kubota L3600, Kubota L3710, Kubota L4200 series with Kubota D1403 and Kubota V1903 engines. The engine piston is a moving element responsible for converting gas and energy produced during combustion to the crankshaft, and thus further into engine power. The piston is connected to the crankshaft by a component called a connecting rod with pin connections. At the top of the piston are annular channels for seating the piston rings. Inside, there's a hub for connecting the connecting rod. At the top is the crown, which can vary in shape depending on the engine type. Due to the harsh operating conditions, engine pistons are most often made of aluminum and silicon alloys.

Dimensions :

  • outer diameter: 80 mm,
  • height: 66 / 80 mm,
  • pin hole diameter: 25 mm,
  • pin diameter: 24.95 mm,
  • pin length: 64 mm,
  • distance from the end of the pin hole to the lower edge of the piston: 10 mm,
  • distance from the edge of the pin hole to the top edge of the piston: 31 mm.
  • ring groove width (16108001-00) from the top of the piston: 2.50 / 2.00 / 5.00 mm,
  • original part number: 16427-21110, 16427-21913,
  • comparative numbers: -,
  • part numbers: D1403.

Engine models :

Kubota :

  • Kubota D1403,
  • Kubota V1903.

Engine models :

Kubota :

  • Kubota GL19,
  • Kubota GL21,
  • Kubota GL200,
  • Kubota GL201,
  • Kubota GT-19,
  • Kubota GT-21,
  • Kubota L2500,
  • Kubota L3600,
  • Kubota L3710,
  • Kubota L4200.

Magazine : K18:F36:S01

*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
- Kubota D1403
Height (mm)
80
Width (mm)
5.00
Production
Substitute
Parts
Engine
Tractor models
- Kubota GL200, - Kubota L3600, - Kubota L3710, - Kubota GL19, Kubota GL21, Kubota GL201, Kubota GT21, Kubota GT19, - Kubota L2500, - Kubota L4200
Outer diameter (mm)
80
Pin diameter (a) (mm)
24.95
Pin length (a) (mm)
64
Original Part Number (OEM)
16427-21110, 16427-21913

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Questions & Answers

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

User
Traktor.com.pl Expert – Technical Advisor • 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
Traktor.com.pl Expert – Technical Advisor • 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
Traktor.com.pl Expert – Technical Advisor • 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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