Product Details
The injector connection pipe 4945969 is a high-quality, factory-spec replacement component engineered for Cummins common-rail fuel systems. As a critical element within the high-pressure fuel delivery circuit, it establishes a secure, leak-tight hydraulic link between the common-rail accumulator and the injector inlet, ensuring consistent and reliable fuel delivery under the most demanding engine operating conditions.Manufactured from high-strength alloy steel, selected for its exceptional durability and resistance to high-pressure fatigue, ensuring long-term structural integrity.Produced using advanced CNC machining processes to guarantee precise dimensional accuracy, ensuring a perfect fit and seamless integration with OEM specifications.



Video Description
Product Parameters
|
Part number |
4903254 |
|
Project |
Fuel Injector |
|
Material |
45# steel |
|
Type |
Oil pump, oil nozzle |
|
Status |
New |
|
Compatible models |
Wuxi Weifu 6DL2 inlet rod |
|
Price |
7-12 USD |
|
Shape |
Standard fuel injector shape |
|
Working temperature |
Suitable for normal working temperature of diesel engine |
|
Delivery time |
3-10 working days (delivery time varies depending on quantity and season) |
|
MOQ |
4 |
|
OEM |
Acceptable (customized labels, tags, logos) |
|
Sample |
Available (sent for inspection first) |
|
Production capacity |
150000 pieces/year |
Our Advantages
Our identity as a trusted industry partner rests on 30 continuous years of dedication to nozzle study, advancement, and fabrication. We retain complete authority over our integrated production campus, featuring high-flow aqueous wash bays and dampness-proof testing equipment. Our development personnel have completely restructured the atomizer's liquid-barrier system via layered seal configurations and hermetically sealed condensation jackets, specifically tailored for trenching, lifting, and cropping machinery that routinely withstands intensive pressure-spray operations.




FAQ
1.What will happen if the common rail connection pipe has internal blockage?
It will cause insufficient fuel supply for the corresponding cylinder, reduced engine power, rough running and misfire. Serious blockage will lead to cylinder non‑working.
2.What causes cracks on common rail injector connection pipe?
Excessive tightening torque, mechanical impact during installation, material fatigue under long‑term high‑pressure circulation, and corrosion from poor‑quality diesel fuel.
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