An Injection Pump is the device that pumps diesel (as the fuel) into the cylinders of a diesel engine. Traditionally, the injection pump is driven indirectly from the crankshaft by gears, chains or a toothed belt (often the timing belt) that also drives the camshaft. It rotates at half crankshaft speed in a conventional four-stroke diesel engine. Its timing is such that the fuel is injected only very slightly before top dead center of that cylinder's compression stroke. It is also common for the pump belt on gasoline engines to be driven directly from the camshaft. In some systems injection pressures can be as high as 620 bar (8992 psi)
We at VERTEX AUTOMOTIVE SYSYEMS have All spare parts for Delphi / Lucas CAV / MEFIN / WSK DPA type Pumps , including hydraulic heads & rotors, Cam Rings, Metering Valves, Repair Kits
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