CATEngine Parts

100-7559 6 Pcs Fuel Injector — Cat 3306

This is a set of six high-quality fuel injectors designed to precisely meter and atomize diesel fuel into the combustion chamber of specific Caterpillar engines. Manufactured to meet stringent OEM performance standards, these injectors ensure optimal fuel delivery compared to worn units that may cause inconsistent spray patterns or leakage. Operators may notice rough idling, a significant loss of engine power, or increased exhaust smoke when these injectors begin to fail.

6 Pcs Fuel Injector – Part No 100-7559 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 Set
MaterialSteel alloy and precision machined components
ApplicationFuel injection system
Service LifeReplace as needed based on performance diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of injector failure include a noticeable drop in engine performance and increased fuel consumption. If left unaddressed, the engine may begin to misfire, leading to rough running and further damage to internal components. Continued operation with faulty injectors can result in severe engine damage and costly repairs.

Installation Tip

Ensure the injector bores are thoroughly cleaned before installation to prevent debris from compromising the seal. Avoid overtightening the injector hold-down clamps, as this can distort the injector body.

Service Note

Inspect the fuel lines and seals for any signs of wear or leakage when replacing the fuel injectors.