CATEngine Parts

315-3395 Piston Kit — Cat 416E 420F

This is a CAT Piston Kit, a set of components designed to replace the pistons, rings, and often wrist pins within an engine cylinder. It is manufactured to meet stringent OEM quality standards, ensuring optimal sealing and combustion efficiency, unlike worn pistons that can cause blow-by and power loss. Operators may observe increased exhaust smoke, a decline in engine performance, or audible knocking sounds when this kit is needed.

Piston Kit – Part No 315-3395 – 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 Kit
MaterialCast Aluminum Alloy
ApplicationEngine Piston Replacement
Service LifeReplace during engine overhaul or when performance issues arise
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indicators of worn pistons include increased blue-tinged exhaust smoke and a noticeable reduction in engine power. If left unaddressed, this can lead to increased oil consumption, rough running, and potential damage to cylinder walls. Continued operation risks significant internal engine damage.

Installation Tip

Carefully clean the cylinder bore and ensure the new piston rings are correctly oriented and seated in their respective grooves. Avoid using excessive force to hammer the piston into the cylinder bore, which can damage the piston skirt.

Service Note

When replacing piston kits, it is crucial to inspect cylinder liners for wear, check connecting rod bearings, and replace the oil filter.