387-9427 3879427 Fuel Injector Common Rail Injector for C7 Engine E324D Excavator

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.