The Rolair BG8422K30ASSY Compressor Belt Guard Assembly helps protect the compressor belt and surrounding drive components during operation. Designed as a replacement belt guard assembly, it covers the moving belt area and helps reduce exposure to accidental contact, dust, and debris. The guard also supports proper protection around the belt drive system while the compressor is runnin... https://www.wholetoolbox.com/rolair-bg8422k30assy-compressor-belt-guard-assembly/BG8422K30ASSY.html