CATEngine Parts

108-0219 Cylinder Head Injector Sleeve — Cat 3408

This cylinder head injector sleeve is a precision-engineered component that houses the fuel injector within the cylinder head, providing a sealed and stable mounting point. Manufactured to exact OEM tolerances and material specifications, it ensures a leak-free seal and proper injector alignment, unlike a corroded or damaged sleeve that can cause fuel leaks or combustion issues. Operators may experience fuel in the oil, rough engine operation, or difficulty starting if this sleeve develops a leak or becomes damaged.

Cylinder Head Injector Sleeve – Part No 108-0219 – 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 TypeCylinder Head Injector Sleeve
MaterialHardened Steel Alloy
ApplicationEngine Cylinder Head Fuel System
Service LifeReplace as needed during injector service or cylinder head repair
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing injector sleeve might be the appearance of fuel in the engine oil or a noticeable decrease in engine power and rough running. If the leak worsens, it can lead to increased crankcase pressure, potential hydro-locking, or complete loss of combustion in a cylinder. Continued operation risks severe engine damage and potential fire hazards.

Installation Tip

Ensure the cylinder head bore is meticulously cleaned and free of any debris or corrosion before attempting to install the new sleeve. Use the correct installation tool to seat the sleeve properly without damaging it or the cylinder head.

Service Note

Replace the fuel injector and its seals when replacing the injector sleeve.