CATHydraulic Parts

3322152 Spring-Valve (Inl/Exh) — Cat 140H 143H

This intake/exhaust valve spring is a crucial part of the engine's valve train, responsible for closing the valves after they have been opened by the camshaft. Manufactured to meet rigorous quality standards, it provides consistent tension and durability, outperforming a weakened or broken spring. Operators might observe engine misfires, a loss of power, or difficulty starting if a valve spring fails.

Spring-Valve (Inl/Exh) – Part No 3322152 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 Spring
MaterialHigh-tensile Steel
ApplicationEngine Valve Train
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A weakened or broken valve spring can initially cause intermittent engine misfires, especially under load. If the spring fails completely, the affected valve will not close properly, leading to a significant loss of power and potentially rough running. Continued operation with a failed spring risks damage to the piston and cylinder head.

Installation Tip

Before installing new valve springs, ensure the valve seats are clean and free of debris, and that the spring retainers are properly aligned. Avoid over-compressing the spring beyond its designed limits during installation, which can weaken it.

Service Note

Inspect valves, valve guides, and valve seals for wear or damage when replacing valve springs.