The STIHL genuine VIKING wheel hub, part number 61407640410, is an essential replacement component designed for various VIKING MB 4 series lawnmowers. This original equipment manufacturer (OEM) part ensures optimal performance and a precise fit, maintaining the integrity and functionality of your lawnmower's wheel assembly. Manufactured to STIHL's high-quality standards, this wheel hub provides reliable and long-lasting operation for models including MB 4 RT, MB 4 R, MB 4 RV, MB 4 RTP, MB 4 RVQ, MB 4 RVP, MB 4 RTQ, MB 4 RX, MB 4 RVE, MB 4 RVX, MB 4 RC, and MB 4 RCE.