plunger type fuel feed pump 131152-0520 marked A128 plunger suit for ISUZU
Fuel: Diesel
Component: Fuel Injection Device
Stroke: 4 Stroke
Fuel Saver Type: Solid-fuel Catalyst and Air Aeration
Weight: 0.35kg
Trademark:Diesel parts
Specification: Standard
HS Code: 84099199
Car Make: Cat
Body Material: Steel
Certification: ISO9001
Cylinder: Multi-cylinder
Carburettor Type: Downdraft
Warranty: 6 Months
Transport Package: Standard Packing, Other Packing as Request
Origin: China

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the plunger type fuel injection pump working principle
Fuel injection pump assembly: multi cylinder diesel engine, each cylinder needs a set of oil pump body oil, known as the pump, the branch pump assembly in the same housing, sharing a camshaft drive.
(1)plunger pair structure
The upper part of the plunger piston: smooth cylinder, the upper milling spiral groove or slot and the use of straight groove or hole ( axial and radial hole ) to the upper end of the slot and the plunger pump oil chamber.