This ground drive idler pulley is made of hard plastic. It applies tension to the belt, allowing the belt to turn. Compatible with Husqv ride mower 2042 LS, 2246 LS, 2348 LS, GTH 2448, GTH2654, GTH 26 K 54, GTH2648, YTH24K48, YTH 2348, LT 1538, LGT2554, etc. Also fits with Poulan lawn tractor: PB20H42YT, PB22H46Y, PB195H42LT, PB2042YT, PBGT26H54, PB23H48YT, etc. Works with Craftsman 42″ 54″ lawn tractor: 917287220, 917287140, 917287240, 917.276865, 917288517, 917288260, 917288612, 917253630, 917254311, 917276621, 917203810, etc. Also fits with Weed Eater W14538 lawn tractor. More details please find in . Bearings well greased. Easy to install. Replace OEM part number: Ariens # 280-6630, HU Craftsman # 194327, HU Craftsman #532194327.Flat Idler Pulley Replaces #194327 532194327 280-6630 The purpose of this pulley is to apply tension to the belt. It is made out of hard pl