YINETTECH 10pcs Motorcycle Thermostat Hose Rubber O Ring 21.9x17.3x2.5mm 91301-MB6-003 Compatible with Honda CRF CX GL VF

["Compatibility: Compatible with Honda CRF CX GL VF motorcycles for sealing thermostat water hose connections.","OE: 91301-MB6-003, suitable for sealing corresponding motorcycle water hose connections.","Dimensions: Inner diameter 21.9mm × Outer diameter 17.3mm × Thickness 2.5mm, precisely matching the connection structure.","Function: The O-ring seal is used to seal thermostat water hose connections, preventing liquid leakage and maintaining the normal operation of the cooling system.","Material: Black rubber construction, elastic, maintaining long-term sealing performance."]