387-9427 3879427 Fuel Injector Common Rail Injector for C7 Engine E324D Excavator
Product Details
| Part Number: | 387-9427 | MOQ: | 1 |
|---|---|---|---|
| Highlight |
C7 engine fuel injector,Common rail injector for E324D excavator,Diesel fuel injector with warranty |
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Product Description
| Part Name | Injector |
|---|---|
| Size (per unit) | 20cm x 5cm x 8cm |
| Approximate Weight | 1KG |
| Product Name | Fuel Injector |
|---|---|
| Part Number | 387-9427 / 3879427 |
| Equipment Compatibility | Excavators (324D, 325D, 330D), Motor Graders, Wheel Loaders |
| Type | Engine Parts |
| Place of Origin | GUANGZHOU |
| Brand Name | JIAJUE |
| Minimum Order Quantity | 1 Piece |
| Condition | New |
| Availability | Rich Stock |
| Warranty | 3 Months |
| Shipment | Dispatched within 24-48 hours |
Please refer to the "Step-by-Step Installation Guide" on our product details page, which contains detailed installation instructions.
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.
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.
If unsure about compatibility, please provide your Engine Serial Number (ESN) for free verification.
- Cylinder Cut-out Test: Using diagnostic software (ET), shut off cylinders one by one and observe engine speed fluctuations to locate faulty cylinders.
- 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.
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.
- 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. Warning: Never use grease. Only use clean engine oil to ensure 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.
| 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 |
Product Highlights
387-9427 3879427 Fuel Injector Common Rail Injector for C7 Engine E324D ExcavatorProduct OverviewSpecificationsPart NameInjectorSize (per unit)20cm x 5cm x 8cmApproximate Weight1KGProduct DetailsProduct NameFuel InjectorPart Number387-9427 / 3879427Equipment CompatibilityExcavators (324D, 325D, 330D...
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