CATEngine Parts

2767478 Connecting Rod Bushing — Cat 120M 120M 2

This connecting rod bushing is a precision-machined component that serves as a bearing surface for the connecting rod pin within the engine's crankshaft assembly. It ensures smooth, low-friction rotation of the connecting rod, critical for efficient power transfer and engine longevity. A worn or damaged bushing will exhibit excessive clearance, leading to knocking or rattling noises from the engine, reduced oil pressure, and potential damage to the crankshaft and connecting rod.

Connecting Rod Bushing – Part No 2767478 – 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 Bushing
MaterialBronze Alloy
ApplicationConnecting Rod Small End
Service LifeReplace as part of engine overhaul or if wear is detected
CompatibilityCTP Aftermarket Replacement
ConditionNew — CTP Aftermarket

Failure Symptoms

The initial symptom of a worn connecting rod bushing is an audible knocking or rattling sound originating from the engine, particularly noticeable under load. If ignored, the excessive clearance will worsen, potentially leading to damage to the connecting rod and crankshaft journal. This can result in significant engine repair costs and prolonged downtime.

Installation Tip

Ensure the connecting rod small end bore is perfectly clean and free of any burrs before attempting to press in the new bushing. Use a proper bushing driver tool to press the bushing in straight and to the correct depth, avoiding cocking.

Service Note

When replacing connecting rod bushings, it is also advisable to inspect the connecting rod bolts and nuts for stretch or damage and consider replacing the piston pins if wear is evident.