The Mahle 22mm x 1.6mm round wire lock piston pin clip with tang is a retention clip supplied to secure a piston wrist pin in compatible engine assemblies. Sold as a service hardware item, its round-wire construction with tang is intended for reliable pin retention where the specified diameter and thickness match the piston and pin dimensions in the engine being serviced.
Mahle MS 22mm x 1.6mm w/ tang Round Wire Lock Clip