CATEngine Parts

7e1298 Piston — Cat 446B AP-1000

This piston is a critical component of the engine's combustion chamber, responsible for converting the pressure from expanding gases into mechanical force. Manufactured to precise specifications, it offers durability and optimal performance, outperforming worn pistons that may exhibit scoring or reduced compression. Operators might observe a loss of engine power, increased exhaust smoke, or unusual engine noises if a piston is failing.

Piston – Part No 7e1298 – 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
MaterialAluminum Alloy
ApplicationEngine Combustion Chamber
Service LifeReplace as part of engine overhaul
CompatibilityCAT 446B, AP-1000, AP-1050, CB-434, CP-563
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial symptoms of a failing piston can include a noticeable decrease in engine power and rough idling. Continued operation may lead to increased blue or white exhaust smoke due to oil burning or coolant entering the combustion chamber. The ultimate risk is severe engine damage from piston seizure or connecting rod failure.

Installation Tip

Always ensure pistons are installed in the correct orientation, paying close attention to any markings indicating the front or flywheel end. Avoid forcing the piston into the cylinder bore; use a proper ring compressor to ensure smooth insertion.

Service Note

When replacing pistons, always install new piston rings, inspect cylinder liners for wear or damage, and check connecting rod bearings.