CATEngine Parts

3774702 Kit-Piston — Cat 317 416C

This piston kit is a critical assembly for the engine's internal combustion process, responsible for transferring the force of combustion to the crankshaft. Manufactured from high-strength alloys and precision-machined to exact specifications, it offers superior durability and performance compared to a worn piston that may show signs of scoring, cracking, or excessive wear. Operators may experience a noticeable loss of engine power, rough idling, increased oil consumption, or blue smoke from the exhaust when this piston kit begins to fail.

Kit-Piston – Part No 3774702 – 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
MaterialAluminum Alloy, Steel
ApplicationEngine Cylinder
Service LifeReplace as part of engine overhaul
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early symptoms of a failing piston kit include increased engine noise, a slight decrease in power, or minor oil consumption. If left unaddressed, the piston can develop cracks or score the cylinder wall, leading to significant power loss, excessive smoke, and potential engine seizure. Continued operation risks severe internal engine damage, necessitating costly repairs.

Installation Tip

Ensure the cylinder walls are honed and clean, and that the correct piston ring orientation is maintained during installation. Avoid using excessive force to seat the piston, as this can damage the rings or cylinder wall.

Service Note

Replace piston rings, cylinder liners, and connecting rod bearings concurrently with the piston kit for optimal engine performance and longevity.