S.40523 Idler Gear - Fits Landini model-YT1238 providing a ground-contact pad that

providing a ground-contact pad that can be reversed to extend service life

Replace Part Number(s): 503532071

B1579863MA

This aftermarket replacement idler pulley (Caterpillar part name: Pulley As-Idler) is used in the accessory drive belt system on a wide range of Caterpillar (Cat) C-series engines

-4 Hole Mounting for Models w/ A4-236 & A4-248 Diesel Engine

S.40523 Idler Gear - Fits Landini model-YT1238 providing a ground-contact pad thatOne New Aftermarket Idler Gear Fits Landini Models: 4000, 4500, 4530, 5000, 5500, 5530, 5560, 5830, 5840, 5860, 5870, 6030, 6040, 6060, 6070, Advantage 55, Advantage 60, Fits Blizzard 50, Fits Blizzard 60, C4500, C4830, C5000, C5500, C5830, Cf4830, Cf5030, Cf5830, Cf6030, Cf6060, Globus 50, Rex 55, Rex 60, Rex 65, Trekker 55, Trekker 60, Trekker 70 Tech Info: Fits Massey Ferguson Build List: Perkins Build List: CB, CE08545, 08557, 13554, 13559, 13583,