CATEngine Parts

4n-0733 Oil Pump — Cat 3406

This oil pump is essential for circulating lubricating oil throughout the engine, maintaining proper pressure and ensuring all moving parts are adequately lubricated. Manufactured to meet stringent OEM quality standards, it provides robust performance and longevity compared to worn or failing pumps. Operators may notice a drop in oil pressure, increased engine noise, or the illumination of the oil pressure warning light if this pump begins to fail.

Oil Pump – Part No 4n-0733 – 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

tch before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

211-1381
A C Condenser
8e-8304
Thrust Disc
495-1507
Exhaust Fluid Filter
6e-6412
Hydraulic Piston Pump
111-3302
Swing Cylinder Seal Kit
133-5106-1w-6551
Turbo Tv8106 Turbocharger

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 TypeOil Pump
MaterialCast iron and steel
ApplicationEngine lubrication system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing oil pump is typically a reduction in oil pressure, often indicated by the dashboard warning light. If operation continues, this can lead to increased friction and heat within the engine, causing audible knocking or grinding noises. Prolonged operation with a faulty oil pump risks severe internal engine damage due to inadequate lubrication.

Installation Tip

Ensure the oil pickup tube screen is clean and properly seated in the oil pan before installing the new pump. Verify that the pump drive mechanism engages correctly without binding.

Service Note

Always replace the engine oil and oil filter when installing a new oil pump to ensure optimal lubrication.