The STIHL VIKING 63507007521 is a genuine OEM engine stop cable designed for a range of VIKING lawn mowers. This essential component ensures safe operation by stopping the engine when released. It is compatible with VIKING MB 443, MB 443 T, MB 443 X, MB 448 T, MB 448 TX, MB 448 TC, MB 448 TXC, MB 448 VC, MB 448 VR, and MB 448 V models, providing a reliable replacement for worn or damaged cables. The cable has an overall length of 1330 mm and a sheath length of 1140 mm.