CATHydraulic Parts

1845494 Guide-Valve Exhaust — Cat Engine: G3508 G3512

This is a CAT exhaust valve guide, a critical component that precisely controls the movement of the exhaust valve within the engine's cylinder head. Manufactured to meet rigorous OEM quality standards, it offers a durable, wear-resistant surface that ensures proper valve alignment and prevents sticking, unlike a worn or damaged guide. Operators may notice increased exhaust smoke, a loss of engine power, or rough idling when this component begins to fail.

Guide-Valve Exhaust – Part No 1845494 – 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 (Exhaust)
MaterialCast iron or bronze alloy
ApplicationEngine cylinder head (exhaust valve)
Service LifeReplace during engine overhaul or as needed
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

An initial symptom of a failing exhaust valve guide is an increase in oil consumption and noticeable smoke from the exhaust. If ignored, the exhaust valve may begin to stick, leading to rough engine operation, reduced power, and potential damage to the valve and seat. Continued operation risks significant engine damage due to improper valve function and sealing.

Installation Tip

Ensure the cylinder head is thoroughly cleaned and that the new valve guide is properly lubricated before pressing it into the bore. Use a proper guide driver to avoid damaging the guide or the cylinder head.

Service Note

Inspect the exhaust valve stem for wear and the valve seat for proper sealing when replacing the exhaust valve guide.