diesel injector,diesel nozzle,fuel injection pump 
Name:pump plunger
Place of Origin:China
OEM NO:2455 072
Engine Type:diesel
Warranty:6 Months
Quality:100% Professional Test
MOQ:2 piece
Packing:neutral packing
Weight:0.06kg
Description
DiesDiesel Pump Plunger 2455 072/2418455072/2455072/2 418 455 072
| Name: | pump plunger/pump element | Place of Origin: | China |
| OEM NO: | 2455 072 | Engine Type: | diesel engine |
| Warranty: | 6 Months | Quality: | 100% Professional Test |
| MOQ: | 2 piece | Packing: | neutral packing |
| Weight: | 0.06kg | single size: | 8*2*2cm |
The plunger and the plunger sleeve are collectively called the plunger assembly, which is the most important precision assembly of the fuel injection pump. The plunger and plunger sleeve must not only pressurize the fuel, but also precisely control the fuel supply and injection time. Therefore, there must be a strict fit clearance (approximately 0.002 to 0.003 mm) to ensure fuel pressurization and certain Lubrication gap. In fact, it is difficult to guarantee interchangeability under such high accuracy, so it is necessary to select and match the parts in pairs, which cannot be interchanged. In addition, due to the high relative movement speed between the plunger and the plunger sleeve, the working surface is required to be very smooth, which must be achieved by grinding. The normal service life of the plunger and coupler is 2000 h.
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