CATEngine Parts

1979328 Crown As- Piston — Cat C12

This Crown Piston Assembly is a core component of the engine's combustion system, forming the moving base within the cylinder that compresses the air-fuel mixture and transmits power to the crankshaft. Precision-engineered for exact fit and performance, it ensures efficient combustion and durability, unlike a worn piston which may exhibit scoring or reduced compression. Operators may notice symptoms such as increased oil consumption, knocking sounds from the engine, or a significant loss of power.

Crown As- Piston – Part No 1979328 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

M IST.', };

Related CAT Parts

From the same category — may also be needed

1950191
Lamp Gp-Hd & Signal Rh
239-7851
Oil Cooler
1N8620
Snap Ring
469-3523
Torque Converter
2713042
Wheel As - Rear
168-0062
Sleeve Bearing Bushing

Browse all CAT Engine Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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
MaterialAluminum alloy
ApplicationEngine cylinder
Service LifeReplace as part of engine overhaul
CompatibilityCTP aftermarket replacement
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Increased engine oil consumption and audible knocking or rattling noises from the engine are common early signs of piston issues. If left unaddressed, this can lead to a significant loss of engine power and potential cylinder wall damage due to improper sealing. Continued operation risks severe internal engine damage and costly repairs.

Installation Tip

Ensure the cylinder bore is honed correctly and cleaned thoroughly before installing the piston assembly to ensure proper ring seating and oil control. Always install new piston rings and verify their orientation.

Service Note

Replace piston rings, connecting rod bearings, and inspect cylinder liners for wear or damage when installing a new piston assembly.