Filler Cap / Husqvarna 537 21 52-02Pack Size:1Husqvarna 537 21 52-02Ahlborn FO-0032, HL Supply H17365Husqvarna 3120, 334 T, 336, 338, 339, 340, 345, 346, 350, 353, 357, 359, 362, 365, 371, 372, 375, 385, 390, 395, 455, 460, 461, 55, 555, 560, 562, 570, 575 and 576 chainsawsEthanol: Not compatible with greater than 10% ethanol fuel, New Style