This Flat Idler Pulley works both as an OEM replacement and as a general purpose pulley for power transmission such as compressors, industrial fans, lawn mowers, snowblowers, and electric motors. It comes with symmetrical bore adapters bushed from 17mm to 1/2'' inside diameter. 31425075 features a heavy duty sealed radial single-row bearing.This part is Zinc-coated for long-term rust prevention. Additional Features: Made of Steel Flanges angled outward to help increase belt life Direct OEM Replacement for: Briggs And Stratton: 7079167 Dixon: 60435 (D-3338) Shivvers: D-3924