8-98145449-1 Suction Control Valve for Isuzu 4HK1 6HK1 SCV Control Valve WESPC
8-98145449-1 is the Suction Control Valve (SCV), also known as the fuel pressure regulator, for Isuzu diesel engines. It is fitted at the inlet of the high-pressure fuel pump to regulate the fuel flow entering the pump, maintaining stable common rail pressure. It is commonly found in Isuzu 4HK1 and 6HK1 series engines.
