6251-71-1121 6251711121 Fuel Pump Excavator Engine Parts For KOMATSU PC400 PC450

• 6251-71-1121 6251711121 Fuel Pump Excavator Engine Parts Fitting For KOMATSU PC400 PC450

• Specification

• Function and Application

1.Generating fuel pressure: This fuel pump can create a certain fuel pressure, generally around 0.3 - 0.4 MPa, and up to 0.7 MPa in direct - injection engines. Sufficient fuel pressure is crucial for the normal operation of the fuel injection system, which can ensure that the fuel can be accurately injected into the combustion chamber through the injector, promoting better atomization and combustion of the fuel.

2.Sucking and transporting fuel: The fuel pump sucks the fuel in the fuel tank into the pump body through the inlet, and then transports the fuel to the subsequent fuel - injection components (such as high - pressure pumps or injectors) through the outlet under the action of internal mechanical structures (such as the rotation of rollers or gears). This ensures that the engine can obtain a continuous supply of fuel during operation to meet the fuel demand for combustion.

• Compatible models

DUMP TRUCKS HM300
EXCAVATORS PC400 PC450
WHEEL LOADERS WA470 WA480

• More pump parts fit for KOMATSU machinery

• catalog parts list

• We could supply the following spare parts

1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.

2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.

3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.

4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.

5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.

6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.

• Advantage

1. Offer Top quality & competitive products

2. Support 12-month warranty

3. 100% tested before shipping

4. Delivery in time

5. A wide range of Oil Pressure Sensor, Fuel Tank Level Sensor, Temperature Sensor, Speed Sensor for excavator 

6. More than 15 years production and 11 years foreign trade experience

7. Professional QC team

8. Best sales team, 24 hours service

• Packing and Shipping

Packing Details :

inner packing : plastic film for wrapping

external packing : wooden

Shipping :

within 3 days after received the payment , by air or by express or by sea on the basis of the

quantity and emergency circumstances.

1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,

2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.

3. By Sea: Delivery from the Huangpu port .

• Product Warranty

1. Warranty Period: 3 Months' warranty from the date of arrival. Longer period of 6 months' warranty could be offered with higher price level.

2. Warranty type: replacement of the parts that have quality problem.

3. Warranty is not valid for below s

* Cutomer give wrong information about the order

* Force Majeure

* Wrong installation and operation

* Rust because of wrong stock & maintenance