1st gear sprocket L-1 31351-21742 45T 16T Kubota L1-22 5-19-103-08
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  • 1st gear sprocket L-1 31351-21742 45T 16T Kubota L1-22 5-19-103-08
  • 1st gear sprocket L-1 31351-21742 45T 16T Kubota L1-22 5-19-103-08
  • 1st gear sprocket L-1 31351-21742 45T 16T Kubota L1-22 5-19-103-08
  • 1st gear sprocket L-1 31351-21742 45T 16T Kubota L1-22 5-19-103-08

1st gear sprocket 16T / 45T / Kubota L1-22 / 5-19-103-08

Product code: 5-19-103-08
Brand 4FARMER
Country of production 4FARMER
View other model
zł319.00
Includes VAT 23%

Lowest price from 30 days: zł319.00

Product description

1st gear sprocket 16T / 45T (shaft 5-18-111-05, 6-18-102-03, 31351-21611, 31351-21512) with an inner diameter of 32 mm (), an outer diameter of 114 mm (measured between the cutter teeth), 124 mm (measured together with the teeth) and a height of 27 mm for Kubota tractors of the Kubota L1-22 series and others.

The tractor's transmission is responsible for transmitting power from the engine to the rear wheels and PTO shaft. The transmission, with its appropriate number of gears, is selected to match the power and torque of the engine driving the tractor.

Dimensions :

  • outer diameter: 114 mm (measured between teeth), 124 mm (measured together with teeth),
  • inner diameter: 32 mm,
  • height: 27 mm,
  • number of teeth: 16T / 45T,
  • original part numbers: 31351-21742,
  • comparison number: -,
  • part numbers: 5-19-103-08.

Tractor models:

Kubota:

  • Kubota L1-22.

Warehouse :
K18:F38:S03/B30: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

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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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