Hydraulic pump seal, 88 x 118 mm, Changchai ZN490QA, DWC-40, 88x118 mm, N85T-12010
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  • Hydraulic pump seal, 88 x 118 mm, Changchai ZN490QA, DWC-40, 88x118 mm, N85T-12010
  • Hydraulic pump seal, 88 x 118 mm, Changchai ZN490QA, DWC-40, 88x118 mm, N85T-12010
  • Hydraulic pump seal, 88 x 118 mm, Changchai ZN490QA, DWC-40, 88x118 mm, N85T-12010
  • Hydraulic pump seal, 88 x 118 mm, Changchai ZN490QA, DWC-40, 88x118 mm, N85T-12010

Hydraulic pump seal / 88 x 118 mm / Changchai ZN490QA / DWC-40

Product code: ZN490QA_uszcz
Brand 4FARMER
Country of production 4FARMER
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zł70.00
Includes VAT 23%

Lowest price from 30 days: zł70.00

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Product description

Hydraulic pump seal , with a hole diameter of 39 mm and a thickness of 0.80 mm for the %C4% 99bak-spralinowy-tarczowy-dwc-40-hd-4farmer-40km-5904506301966.html">DWC-40 HD 4FARMER chipper with a Changchai ZN490QA engine and others. The hydraulic pump seal is a component whose main task is to fill the space between the system components and thus ensure tightness. Power steering seals wear out spontaneously over time, so their replacement is very important and will ensure proper engine operation.

Dimensions :

  • length: 118 mm,
  • width: 88 mm,
  • thickness: 1.30 mm,
  • central hole diameter: 39 mm,
  • spacing of mounting screw holes: 70 x 100 mm,
  • diameter of mounting screw holes: 9.50 mm,
  • reference numbers: N85T-12010.

Engine models :

  • Changchai ZN490QA.

Machine models :

Magazine : M01:E12

*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
Bolt hole spacing (mm)
70
Engine model
Changchai ZN490QA
Seal type
Hydraulic pump seal

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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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