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KUBOTA L4508 Top Gasket Kit + W/Valve Cover Seal

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Gasket Set / Kubota L4508

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Product code: 5-15-111-19

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Condition: New

Production: Substitute

Seal type: Valve cover gasket, Exhaust manifold gasket, Intake manifold gasket, Valve seal

Tractor models: Kubota L4508

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zł121.14 netto

zł149.00

Includes VAT 23%

Lowest price from 30 days: zł149.00

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Product description

The upper set of tractor seals are rubber seals, metal seals, rubber rings and profiled seals , which are replaced after the engine head has been overhauled. A set of seals for the engine of Japanese Kubota tractors of the L4508 series.

Engine seals are elements that ensure the tightness of the drive unit by connecting individual engine components, which at first glance have perfectly flat contact surfaces. Damaged engine seals are one of the most common failures related to the operation of the tractor. Seals and their loss cause leaks of operating fluids and cause the structure to leak, which in the long term may lead to damage to the vehicle or a decrease in the engine's operating parameters.

The set includes :

manifold gaskets,
valve seals,
valve cover gasket,
reference numbers: 1G789-99355.

Tractor models :

Kubota L3408.

Poor technical condition of gaskets is one of the causes of leaks of operating fluids, and the most common places where leaks occur are the crankshaft connections, camshafts, engine valves, head gaskets, hydraulic box gaskets or manifolds.

Magazine : M01:B46:S02

*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

Seal type

Valve cover gasket, Exhaust manifold gasket, Intake manifold gasket, Valve seal

Tractor models

Kubota L4508

Comparison numbers

1G789-99355

Production

Substitute

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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.

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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.

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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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