Description: The Honda Connector Pipe O-Ring 91314-PH7-003 is a factory-spec OEM seal measuring 31.2 x 4.1mm, compatible across multiple Honda models and engine configurations from 2017–2025, including Civic coupe, sedan, and hatchback in 1.5L turbo, 2.0L, and 3.5L. It seals coolant and fluid line connections, preventing leaks and maintaining proper system pressure.