Compatible with numbers 22-13563Q3 and 22-13563A3 for accurate fit in specified outboard models Designed for 5/16 inch (8MM) inner diameter fuel lines commonly used in marine engine fuel systems Meets OEM specifications for reliable performance in marine fuel line connections Suitable for various outboard motor applications requiring secure and leak-resistant fuel line fittings Direct-fit design supports straightforward installation and consistent fuel flow in compatible engines, Manufacturer: zhengzhouhaojunmaoyi