CATEngine Parts

490-8380 Connecting Rod — Cat

This is a connecting rod, a vital engine component that links the piston to the crankshaft, converting reciprocating motion into rotational motion. It is manufactured to meet strict OEM strength and durability standards, ensuring it can withstand the immense forces within the engine cylinder, unlike a worn or damaged rod which could fail under load. Operators may hear a distinct knocking or rattling sound from the engine, experience a significant loss of power, or observe abnormal engine vibrations if a connecting rod is compromised.

Connecting Rod – Part No 490-8380 – 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 TypeConnecting Rod
MaterialForged Steel
ApplicationEngine Piston to Crankshaft Linkage
Service LifeReplace as needed based on diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing connecting rod often begins with an audible metallic knocking sound from the engine, which may increase with engine speed. If ignored, the knocking will become more pronounced, and the engine may lose significant power or begin to vibrate excessively. A connecting rod failure can lead to severe internal engine damage, potentially impacting the cylinder block and crankshaft.

Installation Tip

Ensure the connecting rod bore and the crankshaft journal are meticulously cleaned and free of any debris before assembly to prevent premature wear. Always use new, correctly specified connecting rod bolts and torque them in the sequence recommended by the manufacturer.

Service Note

Replace the connecting rod bearings, piston rings, and connecting rod bolts when installing a new connecting rod.