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Quality 0R-8684 0R8684 Diesel Fuel Injector for 3126 Engine Parts factory
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Quality 0R-8684 0R8684 Diesel Fuel Injector for 3126 Engine Parts factory
Quality 0R-8684 0R8684 Diesel Fuel Injector for 3126 Engine Parts factory
Quality 0R-8684 0R8684 Diesel Fuel Injector for 3126 Engine Parts factory
Quality 0R-8684 0R8684 Diesel Fuel Injector for 3126 Engine Parts factory
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0R-8684 0R8684 Diesel Fuel Injector for 3126 Engine Parts

Brand Name: JIAJUE
Model Number: 3126
Place of Origin: CHINA
Minimum Order Quantity: 1
Price: Please send mail or WhatsApp
Supply Ability: 1000PCS/MONTH

Product Details


Part Number: 0R-8684 MOQ: 1
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3126 diesel fuel injector

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0R8684 fuel injector part

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diesel engine fuel injector

Product Description

0R-8684 Diesel Fuel Injector for 3126 Engine
Product Specifications
Product Name Fuel Injector
Part Number 0R-8684
Brand Name JIAJUE
Model 3126
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
Product Testing & Quality Inspection
0R-8684 fuel injector undergoing quality testing and inspection Close-up detailed view of 0R-8684 fuel injector internal components
Related Products
Related diesel engine components and replacement parts
Frequently Asked Questions
Installation Process Refer to the "Step-by-Step Installation Guide" on our product details page for detailed installation instructions.
Pre-Installation Precautions Ensure dust-free environment; lubricate O-ring with clean machine oil; verify correct O-ring installation to prevent oil leakage.
Engine Issues After Replacement Commonly caused by air in high-pressure oil rail. Cycle engine in short bursts (max 30 seconds) to purge air. Multiple attempts may be needed.
Compatibility Verification Provide Engine Serial Number (ESN) for free compatibility verification if unsure about machine fit.
Fuel Injector Replacement Indicators
  • Cylinder Cut-out Test: Use diagnostic software to shut off cylinders individually and observe engine speed fluctuations
  • Fuel Rail Pressure Test: Check for internal leaks preventing proper pressure buildup
  • Back-leakage Test: Excessive leakage indicates worn internal control valve assembly
  • Visual Inspection: Check nozzles for carbon buildup, blockage, or corrosion
Delivery Timeframe Varies by country/region and customs clearance. Contact us with address and postal code for shipping cost and delivery estimate.
Step-by-Step Installation Guide
Important Note:
HEUI (Hydraulic Electronic Unit Injection) systems are extremely sensitive to contamination. A single speck of dust can cause premature failure.
1. Preparation
Thoroughly clean injector bores. Remove all carbon debris, old O-rings, and fuel/oil residue. Inspect injector sleeve for pitting or erosion.
2. Lubrication
Apply clean engine oil to the three O-rings and backup rings. Never use grease. Use only clean engine oil to ensure seals slide in without tearing.
3. Seating the Injector
Push injector down firmly by hand until it "seats." Install hold-down clamp and bolt.
4. Torque Specifications
Tighten bolt to 30 N⋅m±7 N⋅m (22 lb-ft). Note: Over-tightening can crack injector body; under-tightening causes combustion gas leakage.
5. Trim Code Programming
Locate 6-digit alphanumeric code on top of injector solenoid. Use ET (Electronic Technician) software to program this code into ECM for precise fuel delivery synchronization.
Troubleshooting Guide
Issue Root Cause Solution
Black Smoke Poor spray atomization or stuck needle valve causing dripping Inspect 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
Company Profile
Jiajue Machinery company overview and manufacturing capabilities
Industry Exhibitions
Jiajue Machinery exhibition booth at industry trade show Jiajue Machinery product display at exhibition
Factory Environment
Jiajue Machinery factory interior showing advanced manufacturing facilities
Packaging & Shipping
Professional product packaging materials and methods Shipping preparation and logistics process
Product Video Demonstration

Product Highlights

0R-8684 Diesel Fuel Injector for 3126 Engine Product Specifications Product Name Fuel Injector Part Number 0R-8684 Brand Name JIAJUE Model 3126 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 ...

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