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0445110583 Fuel Injector for D4HB Engine

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0445110583 Fuel Injector for D4HB Engine

Name: 0445110583 Fuel Injector for D4HB Engine
Brand: JIAJUE
Price: 1 USD

Quality 0445110583 Fuel Injector for D4HB Engine for sale

Model Number : D4HB

Price : Please send mail or WhatsApp

Packaging Details : 0445110583 Fuel Injector for D4HB Engine is Packed in standard export packing under customer's requirement

Supply Ability : 1000PCS/MONTH

Payment Terms : L/C,D/A,D/P,T/T,Western Union

Place of Origin : CHINA

Delivery Time : 1 Works day

MOQ : 1

Brand Name : JIAJUE

MOQ : 1

Part Number : 0445110583

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0445110583 Fuel Injector for D4HB Engine

High-quality diesel fuel injector specifically designed for optimal performance and fuel efficiency in D4HB Engine applications.

Product Specifications

Product Name	Fuel Injector
Part Number	0445110583
Brand Name	JIAJUE
Compatible Model	D4HB
Condition	Brand New
Availability	Rich Stock
Approximate Weight	1KG
Size (per unit)	20cm x 5cm x 8cm
Delivery Methods	DHL, FedEx, TNT, UPS
Warranty	3 months
Shipment	Dispatched within 24-48 hours

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0445110583 Fuel Injector for D4HB Engine

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Frequently Asked Questions

How do I install my fuel injector after purchasing it?

Please refer to the "Step-by-Step Installation Guide" on our product details page for detailed installation instructions.
What precautions should I take before installing my fuel injector?

The installation environment must be dust-free; lubricate the O-ring with clean machine oil before installation to prevent cutting; ensure the O-ring is installed correctly.
Why is my engine still unusable after replacing the fuel injector?

This is common due to air trapped in the high-pressure oil rail. Cycle the engine in short bursts (no more than 30 seconds) to purge air. It may take several attempts to stabilize pressure.
Is my device compatible with this part number of fuel injectors?

If unsure about compatibility, send us your Engine Serial Number (ESN) for free verification.
How to determine if your fuel injectors need replacing?
- Cylinder Cut-out Test: Using diagnostic software (ET), shut off cylinders one by one and observe engine speed fluctuations
- Fuel Rail Pressure Test: Check for internal leaks preventing system from building critical starting pressure
- Back-leakage Test: Excessive back-leakage indicates severe wear of internal control valve assembly
- Visual Inspection: Inspect fuel injector nozzles for carbon buildup, blockage, or corrosion
How long will it take to receive my package after payment?

Delivery time depends on your country, region, and customs clearance. Contact us with your address and postal code for shipping costs and estimated delivery time.

Step-by-Step Installation Guide

HEUI (Hydraulic Electronic Unit Injection) systems are extremely sensitive to contamination. A single speck of dust can cause premature failure.

Preparation

Clean the injector bores thoroughly. Ensure no carbon debris, old O-rings, or fuel/oil residue at the bottom of the seat. Inspect the injector sleeve for pitting or erosion.
Lubrication

Apply clean engine oil to the three O-rings and backup rings. Never use grease - only clean engine oil ensures seals slide in without tearing.
Seating the Injector

Push the injector down firmly by hand until you feel it "seat." Install the hold-down clamp and bolt.
Torque Specifications

Tighten the bolt to 30 N⋅m±7 N⋅m (22 lb-ft). Note: Over-tightening can crack the injector body; under-tightening causes combustion gas leakage.
Trim Code Programming

Locate the 6-digit alphanumeric code on the top of the injector solenoid. Use ET (Electronic Technician) software to program this code into the ECM for precise fuel delivery synchronization.

Troubleshooting Guide

Issue	Root Cause	Solution
Black Smoke	Poor spray atomization or stuck needle valve causing dripping	Inspect the air filter
Hard Start	Internal leakage in injector leading to insufficient starting oil pressure	Inspect injector O-rings and internal seals
Engine Misfire	Faulty solenoid valve coil or worn internal valve components	Inspect wiring harness connections and replace damaged injectors

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D4HB engine fuel injector

Diesel fuel injector for D4HB

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