Secondary air pump / LS U5020 / Q1150012 / no. 40006963
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  • Secondary air pump / LS U5020 / Q1150012 / no. 40006963
  • Secondary air pump / LS U5020 / Q1150012 / no. 40006963
  • Secondary air pump / LS U5020 / Q1150012 / no. 40006963
  • Secondary air pump / LS U5020 / Q1150012 / no. 40006963
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Secondary air pump / LS U5020 / Q1150012 / no. 40006963

Product code: 40006963
Brand
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zł1,533.18 netto
zł1,885.81
Includes VAT 23%

Lowest price from 30 days: zł1,885.81

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Product description

Secondary air pump for LS Tractors LS U5020 series and others. The secondary air pump is designed to supply an additional portion of air to the cylinders. The pump operation is coupled with the EGR valve and the pump itself operates for a short time when the engine starts.

Dimensions :

  • diameter: 112 mm,
  • depth: 80mm,
  • nozzle diameter: internal: 20 mm, external 25 mm,
  • diameter of mounting screw holes: 8.70 mm,
  • spacing of mounting screw holes: 92 x 92 mm,
  • part numbers: Q1150012, 40006963.

Tractor models :

LS Tractor :

  • LS U5020,

Warehouse: L01:E-3-5

*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)
92

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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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