Filler Cap / Husqvarna 501 43 14-02Pack Size:1Husqvarna 501 43 14-02, Husqvarna 501 43 14-01Ahlborn FOR-6111, HL Supply H17266Husqvarna 2101, 225, 266, 268, 272, 44, 61, 66 chainsawsEthanol: Not compatible with greater than 10% ethanol fuel