VolvoEngine Parts

3026961 — Main Bearing Cap 3026961 For Cummins Engine 6B5.9 Ism L10 M11 Qsm11 Volvo Excavator Ec360 Ec460

This main bearing cap is a critical structural component that secures the crankshaft within the engine block, ensuring proper rotation and load distribution. It is precision-machined from high-strength material to maintain crankshaft alignment under extreme stress, unlike a worn or damaged cap. Operators may notice increased engine noise, particularly knocking sounds, or a drop in oil pressure if this part fails.

Main Bearing Cap 3026961 For Cummins Engine 6B5.9 Ism L10 M11 Qsm11 Volvo Excavator Ec360 Ec460 – Part No 3026961 – Volvo Spare Part
Part Specifications
BrandVolvo
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 TypeMain Bearing Cap
MaterialHigh-strength cast iron or steel
ApplicationCrankshaft main bearing support
Service LifeReplace as needed based on inspection
CompatibilityCummins 6B5.9, ISM, L10, M11, QSM11
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing main bearing cap is often an audible increase in engine noise, such as a deep knocking sound that changes with engine RPM. If ignored, the bearing clearance will increase, leading to a significant drop in oil pressure and potential crankshaft damage. Continued operation risks severe internal engine damage due to the crankshaft becoming misaligned and impacting the block or other components.

Installation Tip

Always use new main bearing cap bolts and follow the manufacturer's specified torque sequence and final torque values precisely. Ensure the main bearing inserts are correctly seated in both the block and the cap before torquing.

Service Note

When replacing main bearing caps, it is essential to inspect the crankshaft journals for wear or damage and replace the main bearing inserts.