Expansion tank cap, 37410-88640, Kubota GT3, Kubota GT5, Kubota L3408
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  • Expansion tank cap, 37410-88640, Kubota GT3, Kubota GT5, Kubota L3408
  • Expansion tank cap, 37410-88640, Kubota GT3, Kubota GT5, Kubota L3408
  • Expansion tank cap, 37410-88640, Kubota GT3, Kubota GT5, Kubota L3408
  • Expansion tank cap, 37410-88640, Kubota GT3, Kubota GT5, Kubota L3408

Expansion tank cap / Kubota GT3 / GT5 / L3408 / 37410-88640

Product code: 37410-88640
Brand 4FARMER
Country of production 4FARMER
View other model
zł49.00
Includes VAT 23%

Lowest price from 30 days: zł49.00

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Available
28 pieces
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Product description

Expansion tank cap (expansion tank 5-01-022-03 , 37410-88600, 37410-88603) with a working diameter of 42 mm and a total height of 35 mm for Kubota tractors of the Kubota GT3, Kubota GT5, Kubota L3408 series and others.

The coolant expansion tank is an element responsible for releasing excessive amounts of gases when the coolant temperature increases, most often resulting from a failure of one of the system elements, e.g. a fan or pump. The expansion tank, in addition to its main function, shows us the level of fluid in the cooling system.

Dimensions :

  • mounting diameter: 42 mm,
  • collar diameter: 60 mm,
  • total height: 35 mm
  • part numbers: 37410-88640.

Magazine : M01:C62: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
Mounting diameter (mm)
42

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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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