CATHydraulic Parts

1339306 Guide-Valve Intake — Cat 3508 3512

This intake valve guide is a critical component within the engine's cylinder head, ensuring precise movement and sealing of the intake valve. Manufactured to exact tolerances, it maintains proper valve alignment and prevents premature wear, unlike a worn guide that allows excessive valve stem wobble. Operators may experience rough idling, loss of engine power, or increased oil consumption if the valve guides are worn.

Guide-Valve Intake – Part No 1339306 – 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 Guide
MaterialCast Iron
ApplicationEngine Intake Valve
Service LifeReplace when engine is overhauled or shows symptoms
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of worn intake valve guides include increased oil consumption and a slight blue haze from the exhaust, especially on startup. As wear progresses, engine power will diminish, and idling may become unstable. Continued operation with severely worn guides can lead to valve float, piston damage, or catastrophic engine failure.

Installation Tip

Ensure the cylinder head is clean and free of carbon deposits before attempting to remove or install valve guides. Avoid using excessive force when pressing in the new guide, as this can damage the guide or the cylinder head bore.

Service Note

Inspect valve seals, valve seats, and valve stems for wear or damage when replacing intake valve guides.