CATEngine Parts

141-7837-169-7410 Fuel Injector — Cat Engine 3126 3126B 3126E

This is a high-pressure fuel injector that precisely meters and atomizes diesel fuel into the combustion chamber for optimal engine performance. It meets stringent OEM quality standards, ensuring superior durability and flow characteristics compared to a worn or failing unit. Symptoms of a failing injector include rough idling, reduced power, increased exhaust smoke, and poor fuel economy.

Fuel Injector – Part No 141-7837-169-7410 – 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

src="/assets/js/product-page.js">

Related CAT Parts

From the same category — may also be needed

CtP3054010
CTP Engine Repair Kit
1382013
Camshaft As
1763141
Cylinder Head Gasket
100-2961-10r-1781
Hydraulic Pump Cartridge
150-1388
Air Conditioner Controller
235-5901
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
MaterialSteel alloy, brass
ApplicationFuel injection system
Service LifeReplace every 4,000 hrs or as needed
CompatibilityCAT 3126, 3126B, 3126E
ConditionNew — OEM specification aftermarket

Failure Symptoms

An engine misfire or rough idle is often the first sign of a faulty fuel injector. If ignored, fuel delivery will become increasingly erratic, leading to a noticeable loss of engine power and increased black smoke from the exhaust. Continued operation with a failed injector can result in uneven cylinder wear and potential damage to other engine components.

Installation Tip

Ensure the injector bore is clean and free of debris before installation to prevent leaks. Avoid overtightening the injector hold-down clamp, as this can distort the injector body or cylinder head.

Service Note

Inspect the fuel lines and seals for any signs of wear or leakage when replacing a fuel injector.