CATHydraulic Parts

6i1343 966F, 972G — Cat 3306

This component is a critical part of the engine's valve train, controlling the intake and exhaust of air and fuel into the combustion chambers. Manufactured to meet high-durability standards, it ensures precise valve timing and sealing, outperforming worn or pitted lifters. Operators might notice rough engine idling, a loss of engine power, or audible ticking noises from the valve cover area when this part is malfunctioning.

966F, 972G – Part No 6i1343 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

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

Part TypeValve Lifter
MaterialHardened Steel
ApplicationEngine Valve Train
Service LifeReplace as needed based on engine condition
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The initial symptom of a failing valve lifter is often an audible ticking or tapping sound from the top of the engine, particularly noticeable at idle. If ignored, this can progress to rough engine running, a loss of power, and potentially increased exhaust emissions. Continued operation with a worn lifter risks damage to the camshaft lobe and valve seat, leading to more extensive engine repairs.

Installation Tip

Ensure the camshaft lobes and lifter bores are thoroughly cleaned and inspected for wear before installing new lifters. Always lubricate the new lifter's base and the camshaft lobe with appropriate engine assembly lube.

Service Note

When replacing valve lifters, it is crucial to inspect the camshaft for lobe wear and check the valve guides for excessive clearance.