CATEngine Parts

6i3650 Piston As — Cat 992

This piston assembly is a critical component of the engine's combustion system, responsible for converting the pressure from expanding gases into rotational motion. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged pistons that may exhibit scoring or reduced compression. Operators may notice a loss of engine power, increased exhaust smoke, or rough idling when a piston assembly begins to fail.

Piston As – Part No 6i3650 – 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 TypePiston Assembly
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 piston assembly may include a noticeable decrease in engine power and increased oil consumption. If left unaddressed, the engine may develop rough idling and excessive exhaust smoke, potentially leading to cylinder wall damage and reduced engine efficiency.

Installation Tip

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

Service Note

Inspect cylinder liners, connecting rod bearings, and piston rings for wear when replacing a piston assembly.