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7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
Specifications
Model Number :
D6H D6R
Price :
Please send mail or WhatsApp
Packaging Details :
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor is packed in standard export packing under customer's requirement
Supply Ability :
100PCS/MONTH
Place of Origin :
CHINA
Brand Name :
Jiajue
Product Name :
Exhaust Injector Assembly
Payment Terms :
L/C,D/A,D/P,T/T,Western Union,
MOQ :
1
Delivery Time :
1-5 Work days
Material :
Steel
OEM :
Support
MOQ :
1pc
Description
Product Overview
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
High-performance replacement exhaust injector assembly designed for optimal engine performance and fuel efficiency.
Product Specifications
Product Name Exhaust Injector Assembly
Part Number 7W5838 7W-5838
Model D6H D6R
Place of Origin Guangzhou, China
Brand Name JIAJUE
Minimum Order Quantity 1 Piece
Condition Used
Availability Rich Stock
Warranty 3 Months
Shipment Dispatched within 3 days
Product Images
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor 7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor 7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor 7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
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7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
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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, which contains 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 oil leakage; 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 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.
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.
1. 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.
2. Lubrication
Apply clean engine oil to the three O-rings and backup rings.
Warning: Never use grease. Only use clean engine oil to ensure 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). 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 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 the injector leading to insufficient starting oil pressure Inspect the 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
Company Profile
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
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7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor 7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
Factory Environment
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
Packaging & Shipping
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor 7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
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7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor

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Product Detail
Model Number :
D6H D6R
Price :
Please send mail or WhatsApp
Packaging Details :
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor is packed in standard export packing under customer's requirement
Supply Ability :
100PCS/MONTH
Place of Origin :
CHINA
Brand Name :
Jiajue
Contact Supplier
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor
7W5838 7W-5838 Exhaust Injector Assembly for D6H D6R Tractor

GUANGZHOU JIAJUE TRADING CO.,LTD

Verified Supplier
10 Years
guangdong, guangzhou
Since 2014
Business Type :
Manufacturer, Distributor/Wholesaler, Trading Company
Main Products :
Excavator Accessories, Diesel Fuel Injectors, ECU Controller
Total Annual :
5000000-8000000
Employee Number :
15~35
Certification Level :
Verified Supplier
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