CATEngine Parts

129-1351 Fuel Injector — Cat 3406 3408

This fuel injector is responsible for precisely atomizing and delivering diesel fuel into the engine's combustion chamber at the correct time and pressure. Manufactured to exact specifications with hardened internal components, it ensures optimal fuel spray patterns and durability over a worn injector that may leak or spray unevenly. Operators might observe rough idling, reduced engine power, increased fuel consumption, or black smoke from the exhaust when this part is malfunctioning.

Fuel Injector – Part No 129-1351 – 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

PM IST.', };

Related CAT Parts

From the same category — may also be needed

1P0708
Engine Parts Component
387-9428
Fuel Injector
233-2623
Stabilizer Cylinder Seal Kit
107-7733
Fuel Injector
6N6640
Engine Parts Component
159-2497
Fuel Injector

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 TypeFuel Injector
MaterialHardened steel and brass
ApplicationEngine fuel system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing fuel injector may initially cause noticeable engine misfires, rough idling, or a slight increase in exhaust smoke. If the issue progresses, you might experience a significant loss of engine power, increased fuel consumption, and difficulty starting. The worst-case scenario is uneven combustion leading to potential engine damage or complete inability to operate.

Installation Tip

Ensure the injector seat in the cylinder head is perfectly clean and free of any carbon buildup or damage before installing the new injector. Do not overtighten the injector hold-down clamp.

Service Note

Replace the fuel filter and inspect the fuel lines for any signs of damage or contamination when replacing fuel injectors.