CATEngine Parts

1077545 Crown Piston — Cat 320B

This is a Crown Piston designed for Caterpillar 3116 engines, crucial for the combustion process within the engine cylinder. It is manufactured to meet stringent OEM standards, ensuring superior durability and performance compared to worn or damaged pistons. Operators may notice a loss of power, increased exhaust smoke, or rough engine operation when this component begins to fail.

Crown Piston – Part No 1077545 – 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 TypeEngine Piston
MaterialCast Aluminum Alloy
ApplicationEngine Cylinder
Service LifeReplace as needed based on engine condition
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing crown piston include a noticeable decrease in engine power and increased exhaust smoke. If ignored, the issue can lead to increased oil consumption and potential engine misfires. Continued operation risks severe cylinder wall and crankshaft damage.

Installation Tip

Ensure the cylinder bore is meticulously cleaned and inspected for any imperfections before installing the new piston. Avoid forcing the piston into the cylinder, as this can damage the piston skirt or the cylinder wall.

Service Note

Always inspect cylinder liners and connecting rod bearings for wear when replacing a crown piston.