CATEngine Parts

4w5739 4 Pairs Con Rod Bearings — Cat 936F 966F

This is a set of four pairs of CAT connecting rod bearings, precision-engineered components that reduce friction between the crankshaft and connecting rods in the engine. Manufactured from high-quality bearing materials, they ensure smooth rotation and optimal oil film formation, unlike worn bearings which develop excessive clearance and noise. Operators may observe increased engine noise, particularly knocking sounds under load, and potentially a drop in oil pressure. A failing rod bearing can lead to significant engine damage if not addressed promptly.

4 Pairs Con Rod Bearings – Part No 4w5739 – 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 Bearings
MaterialTri-metal overlay on steel backing
ApplicationEngine crankshaft and connecting rod assembly
Service LifeReplace during engine overhaul or based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of worn connecting rod bearings is often an audible 'knocking' or 'tapping' sound from the engine, which becomes more pronounced under acceleration or load. If ignored, the bearing clearance will increase, leading to more severe knocking and a potential drop in oil pressure. The ultimate consequence of continued operation with failed bearings is catastrophic engine damage, including crankshaft and connecting rod failure.

Installation Tip

Ensure the crankshaft journals are perfectly clean and free of any scratches or imperfections before installing new bearings. Always use a torque wrench to tighten the connecting rod bolts to the manufacturer's specified torque sequence.

Service Note

Inspect the crankshaft journals for wear, scoring, or out-of-roundness, and check the connecting rods for straightness when replacing rod bearings.