Oil pressure sensor with reference number H312970020020 fits for instance FENDT Farmer 304 (s/n 158/03501-20000) F158001, FENDT Farmer 304 (s/n 158/20001-99999) F158002, FENDT Farmer 305 (s/n 162/07501-20000) F162001. See all compatible models under the Fits to tab.