Hidromek-style premium aftermarket side cutter. Part reference HMK13879. Application/reference: Side Cutter. Side-mounted cutting component that protects the bucket side and improves penetration. Mounting: 3/4-in plow bolt; confirm length and hole pattern before installation. Brand reference: Hidromek. PETRAX premium aftermarket replacement; OEM names and part numbers are used for identification only. This item fits only the specified system and matching mounting dimensions.