ccec diesel generator fuel injector 3349860

FOB Price: USD $1 - $350 / Piece
Brand Name: CCCE, CCEC
Model Number: 3349860
Place of Origin: Chongqing, China
Min.Order Quantity: 1 Piece / Pieces
Payment Terms: T/T Credit Card
Supply Ability: 1000000 Piece / Pieces per Month
Packaging Details: Standard export package
Port: Chongqing or others in China

Basic Info.

Standard Size
Car Make
Diesel Engine
3 Months

Product Photos

PT fuel injector NO

                        PT Fuel injector assembly


PT Fuel Injector

Injector number 3349860
Engine Typediesel engine K50 
ApplicationsHeavy duty truck, buses, engineering machinery, mining machinery, petroleum machinery, railway machinery, port machinery, stationary and mobile diesel generator set power stations, Marine propulsion unit and auxiliary power unit, pump power units and other power units, automobile industry power ships.
Warranty Period3 months
Advantagein stock, fast delivery, quality guarantee, low price
Packageoriginal package from CCQSFC
Delivery timewithin 2 days
Payment termWestern Union,Paypal,T/T,L/C at Sight

Cummins injectors.— A PT injector is provided at each engine cylinder to spray the fuel into the combustionchambers. PT injectors are of the unit type and are operated mechanically by a plunger return spring and arocker arm mechanism operating off the camshaft.

There are four phases of injector operation, which are as follows:

MeteringThe plunger is just beginning to move downward and the engine is on the beginning of the compression stroke. The fuel is trapped in the cup, the check ball stops the fuel flowing backwards, and fuel begins to be pressurized. The excess fuel flows around the lower annular ring, up the barrel, and is trapped there.

Pre-injectionThe plunger is almost all the way down, the engine is almost at the end of the compression stroke, and the fuel is being pressurized by the plunger.

InjectionThe plunger is almost all the way down, the fuel injected out the eight orifices, and the engine is on the end of the compression stroke.

PurgingThe plunger is all the way down, injection is complete, and the fuel is flowing into the injector, around the lower annular groove, up a drilled passageway in the barrel, around the upper annular groove, and out through the fuel drain. The cylinder is on the power stroke. During the exhaust stroke, the plunger moves up and waits to begin the cycle all over.

Proper injector adjustment and maintenance will ensure a smooth running engine as long as the following factors are met: 1. Adequate fuel delivery pressure from the fuel pump to the fuel manifold. 2. Selection of the proper sizes of balance and metering orifices. 3.The length of time that the metering orifice is uncovered by the upward moving injector plunger.

Packaging & Shipping

Carton Package

Shipping by air or by sea !


Q1 :  Are you a Cummins fuel system assembly manufacturer or distributor?

A1:   We are a professional Cummins fuel system assembly distributor and obtained authorization of distribution from CCQFSC.

Q2:  who is CCQFSC (China CNHTC Chongqing Fuel Injection System Co.,Ltd)

A2:  Manufactured Under Cummins License From Cummins U.S.A.

CCQFSC is the Fuel System Supplier to Cummins Engine Co.,Ltd.

Q3:  Do you have a good discount for all the products?

A3:  Yes, Most of  our customer who have found our Cummnis Fuel System Assembly is superior in quality while saving much cost from working with us!

Q4:  Can you deliver the goods quickly?

A4: Yes, we have a large number of stock in our warehouse.

Q5:  Can you provide technical support?

A5: Yes, we can provide technical support for our customer.

Customer comments

Company introduction


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