CATEngine Parts

111-1116 Barrel 111 — Cat 3306 3406

This is a critical engine cylinder barrel, forming the combustion chamber where fuel is ignited and power is generated. Manufactured to precise tolerances, it ensures a proper seal for piston rings and withstands extreme temperatures and pressures, unlike a worn barrel which exhibits scoring or ovality. Operators may observe a noticeable loss of engine power, excessive blow-by, or increased oil consumption when this part is failing.

Barrel 111 – Part No 111-1116 – 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

before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

242-0857
Fuel Injector
222-9021
Air Filter
163-0872
Sanden Sd7H15 A C Compressor
9t-6859
Valve
086-1507
Water Tank
538-5051
Et4 Et Iv Communication

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 TypeCylinder Barrel
MaterialHardened cast iron
ApplicationEngine combustion chamber
Service LifeReplace when scored, worn, or out of round
CompatibilityCAT 3306, 3406, 3116 engines
ConditionNew — OEM specification

Failure Symptoms

Early indicators of a failing barrel include increased exhaust smoke and a rougher engine idle. If ignored, the problem progresses to significant power loss and excessive oil consumption as the piston rings lose their seal. Continued operation risks severe engine damage due to poor combustion and lubrication.

Installation Tip

Thoroughly clean the cylinder block deck and ensure all oil passages are clear before installing the new barrel. Avoid dropping pistons or rings into the barrel without proper lubrication, as this can cause immediate scoring.

Service Note

Inspect pistons, piston rings, and connecting rod bearings for wear or damage when replacing cylinder barrels.