Core Specifications
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Part Number: 294050-0106
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Product Name: Common Rail High Pressure Fuel Pump
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Compatible Engine: Isuzu 4JJ1 Diesel Engine
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Fit Machine: Isuzu Light Truck, Medium Excavator, Construction Machinery
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Material: High-grade wear-resistant alloy steel precision components
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Test: 100% bench tested for pressure, flow and sealing
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Condition: 100% Brand New Aftermarket Fuel Pump
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Warranty: 12 Months
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MOQ: 1 Piece available, bulk wholesale acceptable
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Packing: Neutral carton packaging, custom label & logo acceptable
Key Features
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Stable High Pressure Output: Precision internal plunger assembly, maintains stable common rail pressure under variable load for 4JJ1 engine.
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Excellent Wear Resistance: Alloy steel parts with heat treatment, resist abrasion caused by fuel impurities, extend service life.
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Precise Fuel Delivery: Accurate fuel supply control, improve combustion efficiency and reduce fuel consumption.
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Direct Fit Replacement: Same mounting dimension and connector as OEM, convenient for engine overhaul installation.
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Strict Pre-delivery Bench Testing: Each pump fully tested for pressure curve, flow rate and sealing performance.
Solvable Common Faults
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Difficult cold start and long cranking time
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Insufficient rail pressure, engine power shortage and weak performance under heavy load
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Black smoke emission and increased fuel consumption
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Unstable idle speed and engine shaking
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Fuel leakage from pump body and engine derating / fault codes
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Fluctuating rail pressure and poor engine response during acceleration
Why Choose Us
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✅ Professional supplier for Isuzu 4JJ1 common rail fuel pump spare parts
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✅ Every 294050-0106 fuel pump fully bench tested before shipment
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✅ OEM equivalent performance for truck and excavator engine overhaul
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✅ Support sample order and bulk purchase for repair shop & distributor
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✅ In stock and fast worldwide shipping
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✅ Professional technical support for pump installation and bench calibration
FAQ
Q1: What machine does 294050-0106 fuel pump fit? A1: It fits Isuzu 4JJ1 diesel engine, widely used on Isuzu light trucks and medium excavators.
Q2: What is the function of common rail fuel pump? A2: The high-pressure fuel pump pressurizes diesel and supplies stable high pressure fuel to the common rail to support injector operation.
Q3: Does the fuel pump need calibration after installation? A3: Yes, we recommend testing and calibrating on test bench after replacement for optimal engine performance.
