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0445120132 4945381 Cum-mins Fuel Injector for Weichai Power
| MOQ: | 1 pieces |
| Price: | US $49-56 / pieces |
Product Details
| OE No. | 0445120132 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
Vehicle & Engine Application
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Engine Manufacturer: Weichai Power
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Engine Series: Weichai WP10 Series (Specifically compliant with Euro 3 / EU3 and Euro 4 / EU4 emissions standards)
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Engine Type: Heavy-duty 6-Cylinder, 9.7L Turbocharged Diesel Engine
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Typical Vehicle Applications: Heavy-duty commercial dump trucks, semi-truck tractors, concrete mixer trucks, and large mining trucks (widely used in trucks from brands like Shaanxi Automobile/Shacman, Foton Auman, and Sinotruk powered by Weichai engines).
Company Info
Wuhan Jinhong Auto Parts Co., Ltd. is a manufacturer and exporter of common rail fuel injectors integrating manufacturing,processing and R & D.
Our factory has a complete and scientific management system and professional product development team, products have been advancing with The Times, quality is also constantly improving, product quality and service have been widely recognized by the industry. Our company has its own factory, combined with the sales model of trade factory, we can provide customers with a full range of services. In addition, our company has international logistics partners to reduce transportation costs for customers. Our company is a leading manufacturer and supplier of Marine parts and auto parts in China. At the same time, we have established partnerships with hundreds of factories specializing in the production of various high-quality auto parts.
Our goal is to provide the best service at the best price, your satisfaction is our best return. Look forward to working with you. Welcome friends from all walks of life to visit, guidance and business negotiations.
What is a "Back-Leak Test" and why is it critical for this model?
In heavy-duty applications like the Weichai WP10, the most common mechanical failure for the 0445120132 injector is wear on the internal control valve assembly (F00RJ01692).
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The Symptom: This wear allows too much high-pressure fuel to escape back into the fuel return line rather than spraying into the cylinder.
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The Diagnostic Term: In English workshop manuals, this is called an Injector Back-Leak Test or Return Flow Test. If the return flow rate exceeds factory specifications, the high-pressure pump cannot maintain system pressure, resulting in an engine that is hard to start or completely refuses to start when hot.
What are the primary diagnostic fault codes (DTCs) in English when this injector fails?
When a Weichai WP10 engine experiences injector trouble, English diagnostic scanners (such as Bos-ch ESI, Texa, or Launch) typically display the following Weichai Flash Codes / OBD-II Codes:
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Misfire Codes:
Cylinder 1 (to 6) Misfire Detected -
Open/Short Circuit Codes:
Injector Circuit Open / Short to Ground(Indicates electrical damage to the internal solenoid coil). -
Fuel Rail Pressure Malfunctions:
P0087 (Fuel Rail Pressure Too Low)orCommon Rail Pressure Fluctuating(Often caused by an injector stuck open or having high back-leakage).
