Replacing OEM numbers : 737441300, which is a direct replacement for the old or broken one. Compatibility: This product is compatible with Husqvarna 12mm Pin, as well as most models. Easy to install: Direct replacement without adjustment, perfect compatibility, high reliability. Product material: This product is specially designed and made of metal, with a long service life and not easy to damage. Product list: Product include a total of 5 Pairs Piston Circlip, which can completely meet your daily use needs and replacement., Manufacturer: Create idea