Selling 2 OEM Genuine Honda Coolant Connecting Pipe O-Rings. These are direct replacement parts and are compatible with various Honda models. The product is made in Japan and the part number is 91314-PH7-003. O-rings measure: 31.2mm diameter and thickness of 4.1mm. The product is ideal for Honda enthusiasts who need reliable and genuine coolant connecting pipe o-rings for their vehicle.