CATEngine Parts

3539667 4 Pair Rod Bearing Kit — Cat 3054E 420E

This is a 4-pair rod bearing kit, essential for the proper functioning of the engine's connecting rods, allowing them to pivot smoothly on the crankshaft. Manufactured to strict tolerances, these bearings provide a durable, low-friction surface compared to worn bearings that can lead to increased clearance and heat. Observable symptoms of worn rod bearings include a deep knocking sound from the engine, especially under load, and potentially a drop in oil pressure.

4 Pair Rod Bearing Kit – Part No 3539667 – 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 TypeRod Bearing Kit
MaterialTri-metal alloy
ApplicationEngine connecting rod
Service LifeReplace during engine overhaul or if worn
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A deep, rhythmic knocking sound from the engine, often more pronounced under load, is the primary symptom of worn rod bearings. If ignored, this can lead to increased engine vibration and a gradual loss of oil pressure due to larger clearances. Continued operation risks severe damage to the crankshaft and connecting rods.

Installation Tip

Ensure the crankshaft journals are perfectly clean and free of any burrs or imperfections before placing the new bearings. Never reuse old bearing shells.

Service Note

Always measure crankshaft journal diameter and check for runout when replacing rod bearings.