Genuine Husqvarna Oil Pump Adjuster Part #: 537 02 71-01 Fits Husqvarna: 253 RB, 340 e, 340 EPA, 340, 345 e, 345 EPA, 345, 346 XP EPA, 346 XP, 346XP, 350 EPA, 350, 351 EPA, 351, 353 EPA I, 353 EPA, 353, 357 EPA, 357 XP, 357