The CAT Injector Manufacturer!
Abosede is a leading company in the automotive parts industry, specializing in the development, production, and sales of diesel injection system components, including fuel pumps, injector assemblies, spare parts, and repair kits.
Why choose us
Rich experience
Our company boasts a highly skilled technical team, covering R&D, production, quality control, marketing, and customer service.
Product application
Our products are widely used in commercial vehicles, construction machinery, and diesel-powered equipment, reaching customers in multiple countries and regions worldwide and earning their trust and recognition.
Customized High-Pressure Solutions
We offer OEM customization services for specialized high-pressure pumps and AdBlue® injection systems, tailored to meet unique customer requirements for emissions compliance, power delivery, and special applications.
Sales market
Our global presence includes in Brazil, Ecuador, Peru, Colombia, Turkey, UAE, Iran, Morocco, Egypt, Lebanon, and Russia ,etc. helping us understand diverse market needs.
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Product Category |
Fuel injector |
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Part Number |
326-4700 |
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Applicable models |
CAT 320D Series |
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Fuel Type |
Diesel |
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Pressure Rating |
High-Pressure Common Rail (HPCR) System |
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Packaging Details |
Neutral Packaging (If the quantity is large, it can be made according to customer's requirement) |
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Supply capacity |
3000 pieces per month |
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Place of origin |
China |
Types of Fuel Injectors
Common rail diesel injectors
Used in modern diesel engines, common rail diesel injectors work at high pressures and spray fuel into the combustion chamber for efficient combustion.
Unit injector system
Used in heavy-duty diesel engines, a unit injector system features an individual pump integrated into each injector. This setup ensures precise control over fuel delivery.
Mechanical diesel injectors
Used in older diesel engines, mechanical injectors rely on mechanical fuel pumps to deliver fuel to the injectors.
The easiest way – The simplest test is to use a long metal rod – even something as primitive as a screwdriver. Simply place one end against the injector, and listen to the other end. If you can hear clicking, then that will confirm that it is working.
The Circuit Power test – Switch the key into the on position and place a test light or voltmeter on the negative side of your car's battery. Probe both sides of the injector wiring connector and if neither illuminates, you'll need to test the fuse. If the fuse is fine, then there's likely a connection issue somewhere.
The Visual test – You may be surprised to know that you can visually check the functionality of your fuel injector. Simply remove the cover of the air cleaner housing (your air filter will be here), and get someone to start the engine. You should be able to see the fuel coming out of the injector in an inverted V pattern. If it is a single, solid spray or has no discernible pattern, then there's something amiss.
Causes of fuel injector failure
Contamination & Clogging: Dirt, carbon, or poor-quality fuel can clog the injector, reducing fuel flow and causing misfires.
Electrical Issues: Wiring or solenoid problems can prevent the injector from opening properly, leading to poor engine performance or a check engine light.
Fuel Injector Damage: If the injector's (metal or plastic) body or connection to the fuel rail is physically cracked (from impact or heat cycling), fuel may seep or spray from it.
Other Fuel System Failures: A bad fuel pump, pressure regulator, or vacuum leak can affect fuel pressure or delivery, causing the fuel injector to appear malfunctioning.
Using the Wrong Gas: Contaminated fuel containing water, debris, or even diesel in a gas engine can damage injectors and affect combustion.
Shipping Made Simple
We understand that every customer has unique shipping needs. That's why we offer:
We're professional cat injector manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale discount cat injector for sale here from our factory.
C6 4 C6 6 engines, 10R7938, 200-1117