CATEngine Parts

314-9985 Fuel Injector — Cat 3044C 908H

This is a high-quality fuel injector designed to precisely meter and atomize diesel fuel into the combustion chamber for Caterpillar engines. It ensures optimal fuel delivery for efficient combustion, power generation, and emissions control. A faulty injector can cause rough idling, reduced power, increased fuel consumption, and excessive smoke, indicating incomplete or improper fuel atomization.

Fuel Injector – Part No 314-9985 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeFuel Injector
MaterialHardened steel and precision-machined components
ApplicationEngine fuel injection system
Service LifeReplace as needed based on performance and diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a faulty fuel injector is often a noticeable increase in engine vibration or rough idling. If ignored, this can lead to a significant loss of engine power, increased fuel consumption, and excessive exhaust smoke. Continued operation with a bad injector can cause uneven cylinder wear and potential damage to other engine components.

Installation Tip

Ensure the injector seat in the cylinder head is perfectly clean and free of debris before installation. Avoid using excessive force when tightening the injector hold-down clamp, as this can distort the injector body.

Service Note

When replacing a fuel injector, it is highly recommended to inspect or replace the fuel filter and check the fuel lines for any contamination or leaks.