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0445 120 346

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Common Rail fuel injector for diesel engines

Diesel engine fuel injector 0445120346

High-performance fuel injector with warranty

Description de produit

Product Specifications

Product Name	Fuel Injector
Part Number	0445 120 346
Brand Name	JIAJUE
Condition	Brand New
Availability	Rich Stock
Approximate Weight	1KG
Size (for 1pc)	20cm x 5cm x 8cm
Delivery Methods	DHL FedEx TNT UPS
Warranty	3 months
Shipment	Dispatched within 24-48 hours

Product Testing & Quality Control

Related Products

Frequently Asked Questions

Q1: How do I install my fuel injector after purchasing it?

Please refer to the "Step-by-Step Installation Guide" on our product details page, which contains detailed installation instructions.

Q2: 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 oil leakage; ensure the O-ring is installed correctly.

Q3: 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.

Q4: Is my device compatible with this part number of fuel injectors?

If unsure about compatibility, please provide your Engine Serial Number (ESN) for free verification.

Q5: 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 pressure buildup
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

Q6: How long will it take to receive my package after I make the 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

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

1. Preparation: Clean the injector bores thoroughly. Ensure there is no carbon debris, old O-rings, or fuel/oil residue at the bottom of the seat. Inspect the injector sleeve for any signs of pitting or erosion.

2. Lubrication: Apply clean engine oil to the three O-rings and the backup rings. Never use grease. Only use clean engine oil to ensure the seals slide in without tearing.

3. Seating the Injector: Push the injector down firmly by hand until you feel it "seat." Install the hold-down clamp and bolt.

4. 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.

5. 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 to ensure 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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0445 120 346 0445120346 Common Rail Fuel Injector for Engine Parts 9

Produit Tag:

Lieu d'origine:	Chine
Nom de marque:	JIAJUE

Quantité de commande min:	1
Prix:	Please send mail or WhatsApp
Détails d'emballage:	L'injecteur de carburant à rampe commune 0445 120 346 0445120346 pour pièces de moteur est embal
Délai de livraison:	1 jour de travail
Conditions de paiement:	LC, D/A, D/P, T/T, Western Union
Capacité d'approvisionnement:	1000 pièces/mois

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