CATEngine Parts

9t-3948 Rod — Cat 3054 3054B

This is a connecting rod, a crucial link in the engine's powertrain that transmits the force from the piston to the crankshaft. It is forged from high-strength steel to withstand immense reciprocating and rotational forces, unlike a bent or worn rod. Operators may experience severe engine knocking sounds, loss of power, and potentially catastrophic engine failure if the connecting rod is compromised.

Rod – Part No 9t-3948 – 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 crankshaft and piston connection
Service LifeReplace as part of engine overhaul or if damaged
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing connecting rod is typically a loud, rhythmic knocking noise originating from the engine. If ignored, this noise will intensify, and the engine will lose significant power, potentially leading to the rod breaking free from the engine block. This can cause severe damage to the engine structure and surrounding components.

Installation Tip

Ensure the connecting rod cap bolts are torqued to the manufacturer's specifications using a calibrated torque wrench. Always use new rod bolts and bearings when installing a new or reconditioned rod.

Service Note

Replace connecting rod bearings, rod bolts, and inspect the crankshaft journal for wear when servicing the connecting rod.