CATEngine Parts

156-6980 220Mm Connecting Rod — Cat 302 303

This is a 220mm connecting rod for CAT engines, crucial for transmitting combustion forces from the piston to the crankshaft. It is manufactured to meet stringent OEM quality standards, ensuring superior strength and durability compared to worn or damaged rods. Operators may notice engine misfires, loss of power, or unusual knocking sounds from the engine when a connecting rod begins to fail.

220Mm Connecting Rod – Part No 156-6980 – 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
MaterialForged Steel
ApplicationEngine Crankshaft Assembly
Service LifeInspect during engine overhaul or if symptoms appear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing connecting rod can include a distinct knocking sound from the engine, especially under load. If ignored, this can lead to increased oil consumption and further internal engine damage. Continued operation risks severe engine component failure.

Installation Tip

Ensure the connecting rod bore is perfectly clean and free of any debris before installation. Avoid overtightening the connecting rod bolts, as this can distort the rod or damage the threads.

Service Note

Always inspect connecting rod bearings and the crankshaft journal for wear or damage when replacing a connecting rod.