Reference numbers: 21712-79900, AM-4118851190, 10037044, 21712-3NA0A, 2171279900. This is aftermarket coolant cap, not genuine part. Fits only to neck diameter 30.5 mm 1 3/16'' inch
Aftermarket Quality: Coolant tank cap is designed to meet or exceed OEM standards, ensuring reliability and durability.
Easy to Install: The antifreeze expansion lid features a user-friendly design for quick and effortless installation, requiring no specialized tools or skills.