CATEngine Parts

2964663 Connecting Rod Bushing — Cat 311D LRR 312D

This connecting rod bushing is a vital component within the engine's rotating assembly, facilitating smooth articulation between the connecting rod and the crankshaft. Manufactured with high-grade materials, it offers superior wear resistance compared to a worn bushing that can cause excessive play and noise. Operators may notice knocking sounds from the engine, a loss of oil pressure, or increased vibration when this bushing begins to fail.

Connecting Rod Bushing – Part No 2964663 – 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
ApplicationEngine connecting rod
Service LifeReplace during engine overhaul or if wear is detected
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first indication of a failing bushing is often an audible knocking or tapping sound from the engine, especially under load. Continued operation can lead to increased oil consumption and a significant drop in oil pressure due to excessive clearance. Failure to replace can result in catastrophic damage to the crankshaft and connecting rod.

Installation Tip

Properly align the oil holes in the bushing with the corresponding oil passages in the connecting rod before pressing it into place. Ensure the bushing is pressed in squarely to avoid damaging the connecting rod bore.

Service Note

Inspect the crankshaft journal for scoring or wear, and check the connecting rod for any signs of stress or deformation when replacing the bushing.