Hardware - RingAftermarket replacement part, cross-references original part number AC3EB-15-21291.This part is a standard aftermarket replacement. Contact us at (562) 693-7748 if you need confirmation of fit for your specific equipment.This o-ring (AC3EB-15-21291) is an aftermarket replacement built to OEM specifications at an affordable price.Part number variants: AC3EB-15-21291, ac3eb-15-21291, AC3EB1521291, ac3eb1521291. ⚠ 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.Browse our extensive aftermarket forklift parts catalog or call (562) 693-7748 for help identifying the right part.