CATEngine Parts

296-4663 Connecting Rod Bushing — Cat 3066 311D

This connecting rod bushing is a critical component within the engine's lubrication system, ensuring proper clearance and reduced friction between the connecting rod and crankshaft. It is manufactured to meet stringent OEM standards, providing superior wear resistance compared to a worn or damaged bushing which can lead to increased play and oil pressure loss. Operators may notice increased engine noise, particularly a knocking sound, and a drop in oil pressure when this bushing begins to fail.

Connecting Rod Bushing – Part No 296-4663 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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
ApplicationEngine connecting rod journal
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing connecting rod bushing include a distinct knocking sound from the engine, especially under load. If ignored, the knocking will intensify, and oil pressure will continue to drop, potentially leading to accelerated wear on other engine components. Continued operation with a severely worn bushing risks significant internal engine damage.

Installation Tip

Ensure the connecting rod and crankshaft journal surfaces are meticulously cleaned and free of any debris before installation. Avoid forcing the bushing into place, as this can distort its shape and compromise its fit.

Service Note

Always inspect the crankshaft journal for scoring or out-of-roundness when replacing connecting rod bushings.