CATEngine Parts

266-4446 Fuel Injector — Cat

This is a high-pressure fuel injector designed to deliver precise fuel charges into the combustion chamber, crucial for engine power and efficiency. It is manufactured to meet stringent OEM quality standards, ensuring superior atomization and spray pattern compared to a worn or clogged injector. Symptoms of a failing injector include rough idling, loss of engine power, increased exhaust smoke, and poor fuel economy.

Fuel Injector – Part No 266-4446 – 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
MaterialSteel alloy, brass
ApplicationEngine fuel system
Service LifeReplace as needed based on performance diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing 266-4446 fuel injector may include a noticeable decrease in engine performance or increased fuel consumption. If left unaddressed, the injector can lead to uneven cylinder operation, causing increased vibration and potential damage to other engine components. Continued operation with a faulty injector risks significant engine internal damage and costly repairs.

Installation Tip

Ensure the injector bore is thoroughly cleaned of any carbon deposits or debris before installation. Avoid overtightening the injector hold-down clamp, as this can distort the injector body or damage the mounting surface.

Service Note

Always replace the fuel filter when servicing fuel injectors to prevent contamination of the new component.