O-RingOffered as an aftermarket replacement, contact us to confirm fit, this o-ring seals static and dynamic joints throughout the hydraulic and fuel system. Mechanics keep o-rings like AC0228654 on the shelf because a single failed seal in the wrong spot can dump a hydraulic circuit or set off the smoke detectors. Material chemistry matters as much as dimensions, since the wrong elastomer will swell or harden in service. Match the inside diameter, cross-section, and durometer against the original before installing.Aftermarket replacement part, cross-references original part number AC0228654.Need help confirming fit? Call (562) 693-7748 with your serial number.Part number variants: AC0228654, ac0228654 ⚠ Warning: Some equipment has serial-number breaks that may not be reflected in the catalog. Contact us for clarification before ordering if uncertain.SCR Forklift Parts ships from Whittier, CA with next-day delivery available across the US when needed.