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Fuel pressure valve Cummins QSC8.3/QSL9 3963808

Original Cummins fuel pressure valve 3963808 for QSC8.3/QSL9 engines. Stabilizes fuel pressure, protects injectors, and optimizes engine operation.

  • Condition: new
  • SKU: 15784
Ocena 4,9

104.19 EURNet

- +

Product description

Fuel Pressure Valve Cummins QSC8.3/QSL9 3963808

Description

The Cummins fuel pressure valve with part number 3963808 is a precision component of the common rail injection system, responsible for regulating fuel pressure. It ensures stable engine operation, optimizes combustion, and protects injectors from excessive pressure damage. Made from high-strength steel, it guarantees long service life and reliability under demanding conditions. Designed for QSC8.3 and QSL9 engines, it is widely used in construction, agricultural, and heavy-duty vehicles.

Technical Data

  • Part number: 3963808
  • Engine type: Cummins QSC8.3 / QSL9
  • Function: fuel pressure regulation in common rail system
  • Material: high-strength steel
  • Service life: long-lasting operation

Application

The valve is used in a wide range of machines and vehicles equipped with Cummins QSC8.3 and QSL9 engines, including:
  • construction machinery (excavators, loaders, graders),
  • agricultural tractors and special equipment,
  • heavy-duty trucks and buses,
  • power generators and industrial equipment.

Properties

  • Stabilizes fuel pressure in the common rail system.
  • Protects injectors and high-pressure pump from damage.
  • Improves engine performance and reduces emissions.
  • Resistant to high temperatures and pressures.
  • Easy installation and full compatibility with original Cummins units.

Specification

Specification Value
name Fuel pressure valve
mark Cummins
type QSC8.3/QSL9
part number 3963808
condition new
material high-strength steel
compatible engines Cummins QSC8.3 / QSL9

Reference numbers

List of reviews:

George

2025-10-03

The part fits well and functions as intended. No issues encountered during installation or operation.
Paweł

2025-10-03

Produkt spełnia swoje zadanie. Nie zauważyłem żadnych problemów podczas użytkowania.
Bartosz

2025-10-03

Zawór działa zgodnie z oczekiwaniami. Montaż był prosty, a wydajność na poziomie standardowym.
Artur

2025-07-16

Zamówiłem ten zawór do swojej maszyny i jestem bardzo zadowolony. Działa bez zarzutu, a montaż był prosty. Polecam!
Mariusz

2025-06-12

Świetny produkt! Zawór działa jak należy, a jakość wykonania jest naprawdę dobra. Na pewno wrócę po więcej części.
Katarzyna

2025-05-19

Bardzo szybka dostawa i produkt zgodny z opisem. Zawór działa bez problemów, co znacznie poprawiło wydajność mojej maszyny.
John

2025-04-30

I purchased this fuel pressure valve and it works perfectly. Installation was straightforward and the quality is impressive. Highly recommend!

Write a review.

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Zakupiony komplet siłowników do Liebherr 564 był w doskonałym stanie, zgodnie z opisem i przesłanymi zdjęciami. Obsługa na wysokim poziomie, bardzo profesjonalna i pomocna – rewelacja. Co więcej, w kontakcie z firmą otrzymałem osobistego opiekuna, który zajmował się sprawą od początku do końca, mogłem również liczyć na bezpłatne doradztwo przy montażu. Szkoda, że w obecnych czasach nie spotyka się zbyt wielu firm z tak profesjonalnym podejściem do klienta. Gorąco polecam.

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Współpraca na wysokim poziomie. Firma na 6. Polecam z czystym sumieniem. Na pewno jeśli będę musiał to skorzystam jeszcze raz. Naprawa Pomp hydrauliki Koparka Terex

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Znakomita obsługa. Przyjazny i pomocny personel. Płatność, cło i transport zostały zrealizowane szybko i profesjonalnie.

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