This is a A-CH11436 O-Ring, 1.945" ID X 2.189" OD X .122" Thick (1/Pack) PN: CH11436Main Description As Following : A-CH11436 O-Ring, 1.945" ID X 2.189" OD X .122" Thick (1/Pack) PN: CH11436 Found in Section & Models : Miscellaneous > Miscellaneous, Hitachi EXCAVATOR: ZAXIS130-6N, Hitachi EXCAVATOR: ZAXIS135US-6N, Hitachi EXCAVATOR: ZAXIS160LC-6N, Hitachi EXCAVATOR: ZAXIS180LC-6N, Hitachi EXCAVATOR: ZAXIS190W-5N, Hitachi EXCAVATOR: ZAXIS190W-6N, Hitachi EXCAVATOR: ZAXIS230W-5N, Hitachi EXCAVATOR: ZAXIS245USLC-6N, Hitachi EXCAVATOR: ZAXIS250LC-6N, Hitachi EXCAVATOR: ZAXIS290LC-5N, Hitachi EXCAVATOR: ZAXIS350LC-6N, Hitachi EXCAVATOR: ZAXIS380LC-6N, Hitachi EXCAVATOR: ZAXIS670LC-5A, Hitachi EXCAVATOR: ZAXIS670LC-5B, Hitachi EXCAVATOR: ZAXIS670LC-5G, Hitachi EXCAVATOR: ZAXIS670LC-6, Hitachi EXCAVATOR: ZAXIS870LC-5A, Hitachi EXCAVATOR: ZAXIS870LC-5B, Hitachi EXCAVATOR: ZAXIS870LC-5G, Hitachi EXCAVATOR: ZAXIS870LC-6 Associated Items : New Also A-JD-O-OMT32592, A-JD-P-PC922, A-JD-S-SM2064, A-SMJD47, A-SMJD62, A-JD-S-CTM3, A-SMJD62, A-JD-O-OMRW15455, A-JD-P-PC1873, A-JD-S-TM1242, A-SMJD62, A-JD-O-OMR72588, A-SMJD47, A-SMJD62, A-JD-O-OMR72588, A-SMJD47, A-SMJD62 And : Standard Number Code: J Standard Number Size: G50 Inside Diameter: 1.945" Outside Diameter: 2.189" Replaces: Yanmar# 24321-000500 Thickness: .122"