CATEngine Parts

1684540lK Crown As- Piston — Cat 3406

Name: 1684540lK Crown As- Piston — Cat 3406
Brand: CAT
SKU: 1684540lK
Availability: InStock

This crown assembly is a precision-engineered component essential for the proper functioning of the engine's piston system. Manufactured to exacting standards, it offers superior wear resistance and performance compared to a worn or damaged original part. Operators might observe a noticeable reduction in engine power, increased oil consumption, or abnormal combustion noises when this part begins to fail.

Engine Component – Part No 1684540lK – CAT Spare Part

Part Specifications

Brand	CAT
Category	Engine Parts
Condition	Aftermarket — OEM Specification
Dispatch	Same-day from Mumbai (before 3 PM IST)
GST Invoice	Available — all orders
Export Docs	Commercial invoice, packing list, COO

Compatible Models

CAT Engine Parts Component 1684540lK | Engine Parts | Parts Trading Company India
Engine: 3406
3406C

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

Ship This Part To Your Location

Dubai Saudi Arabia Nigeria Kenya South Africa Bangladesh Malaysia Ghana Qatar Egypt

India

Maharashtra Gujarat Tamil Nadu Rajasthan Karnataka Telangana

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 Type	Piston Crown Assembly
Material	High-temperature resistant alloy
Application	Engine piston system
Service Life	Replace as needed based on inspection
Compatibility	OEM specification
Condition	New — OEM specification aftermarket

Failure Symptoms

Early indications of a failing crown assembly include a slight roughness in engine operation or a subtle increase in exhaust emissions. If left unaddressed, this can progress to significant power loss and increased oil consumption. Continued use risks severe internal engine damage.

Installation Tip

Ensure the piston and cylinder bore are meticulously clean and free of any scoring before fitting the new crown. Avoid using excessive force during assembly, as this can damage the piston or the new component.

Service Note

Inspect piston rings, cylinder liners, and connecting rod bearings for wear or damage when replacing the piston crown.

1684540lK Crown As- Piston — Cat 3406

Compatible Models

Related CAT Parts

Ship This Part To Your Location

Installation & Application Notes

Failure Symptoms