CATEngine Parts

174-7526 Fuel Injector — Cat 3412

This is a high-quality fuel injector, essential for atomizing diesel fuel into a fine mist for efficient combustion within the engine cylinders. Manufactured to meet stringent OEM standards, it ensures precise fuel delivery and spray patterns that are critical for optimal performance and emissions control, unlike a clogged or leaking injector. Observable symptoms of a faulty injector include rough engine running, misfires, reduced power, increased fuel consumption, or excessive smoke.

Fuel Injector – Part No 174-7526 – 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, Brass
ApplicationFuel injection system
Service LifeReplace as needed based on inspection
CompatibilityCAT 3408E, 3412, Ad45, Ad40, Ae40
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector may initially cause a slight roughness in engine operation or a noticeable decrease in fuel economy. If ignored, the problem can escalate to persistent misfires, significant power loss, and excessive exhaust smoke. Continued operation with faulty injectors can lead to uneven cylinder wear and potential damage to other engine components.

Installation Tip

Carefully clean the injector bore in the cylinder head before installing the new injector to ensure a proper seal and prevent combustion leaks. Ensure the correct O-rings and seals are used and properly seated.

Service Note

When replacing fuel injectors, it is highly recommended to inspect or replace the fuel filter and check the condition of the fuel lines.