THERMOSTAT RETAINING RING, PERKINS AF AJ AK AL AM AP AQ AR AS YG YH YK ENGINE, CAT 3054 3054B 3056 3056E CAT M312 M315 M316 C M318C M318C-MH M322C 312B/B-L/C/C-L 315B-L 416C 416D 420D 424D 426C 428C 428D 430D 432D 436C 438C 438D 442D TH62 TH63 TH82 TH83 TH103 TH210 TH215 TH350B TH355B TH360B TH460B 908 924G 924GZ 928G 930G, JCB 3CX 4CX