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294000-0320 22100-0r030 Diesel Fuel Pump Assy for Isuzu 4HK1 6HK1 Forward trucks
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Product Name
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Common Rail Diesel Fuel Injection Pump
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Place of Origin
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Wuhan,China
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Warranty
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6 Months
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Delivery time
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3-5 Days, subject to the order quantity
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Quality
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100% Tested
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Packing
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Customer Requirement
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Service
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After-Sales Service
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Size
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Standard Size
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Payment
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TT,Trade Assurance,PayPal,Credit Card
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Advantage
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Perfect Fit
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Compatible Vehicle Models
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Vehicle Manufacturer: Isuzu
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Engine Model: Isuzu 4HK1 / 6HK1
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Vehicle Types: * Isuzu ELF (N-Series trucks)
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Isuzu Forward (F-Series trucks)
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Various industrial applications and construction machinery (e.g., Hitachi excavators) utilizing the Isuzu 4HK1/6HK1 engine.
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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.
Frequently Asked Questions
Q1: What are the main symptoms that this fuel pump is failing?
If this pump starts to go bad on an Isuzu 4HK1/6HK1 engine, you will usually notice:
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Hard starting or no-start conditions when the engine is hot.
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Lack of power under load or sudden engine stalling.
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Diagnostic Trouble Codes (DTCs) related to fuel rail pressure (e.g., low pressure regulation).
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Excessive black smoke due to poor fuel atomization.
Q2: Can I just replace the Suction Control Valve (SCV), or do I need a whole new pump?
Very often, the pump mechanism itself is fine, and the issue is just a sticky or failing Suction Control Valve (SCV).
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The Fix: Replacing just the SCV is much cheaper and fixes surging idles or pressure fluctuations.
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The Catch: If there is metal debris inside the old SCV, it means the internal components of the pump are disintegrating. In that case, the entire pump must be replaced, and the fuel system must be flushed.
Q3: Do I need to code or program this pump after installation?
No, the pump itself is a purely mechanical high-pressure generator; it does not contain an electronic control unit (ECU) that requires software coding. However:
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You must perform a fuel system bleeding procedure to remove all air.
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If you also replaced the fuel injectors at the same time, those will require entering their QR codes into the Isuzu ECU.
