Iphampu yomjovo kaphethiloli 0 413 406 239 ikakhulukazi yakhiwe izingxenye ezine ezinkulu: indlela yepompo kawoyela, indlela yokulungisa ukunikezwa kukaphethiloli, indlela yokushayela, kanye nomzimba wepompo lomjovo kaphethiloli. Indlela yepompo kawoyela ihlanganisa ukuhlanganisa i-plunger, ukuhlangana kwevalvu yokulethwa kukawoyela, njll.; indlela yokulungiswa kwevolumu yokunikezwa kukawoyela ibhekisela kumshini wokulawula umthamo kawoyela wohlobo lwe-rack; indlela yokushayela ihlanganisa i-camshaft, izingxenye ze-tappet, njll.; umzimba wepompo lomjovo kaphethiloli ukufakwa kwe-matrix emithathu engenhla.