Replacement for PART Numbering GX20072/GY20570 LA100 LA105 LA110 LA115 LA120 LA125 LA135 Product Description: V-Belts are PPTA Wrapped and are specially constructed for Lawn Mowers with a clutch function and where the belt drive includes a back-tensioner. The external fabric ensures noise-free clutch engagement and increased resistance to wear and heat. The aramid core(PPTA) offers high tensile strength, no elongation and high resistance to shock loads. Replace Part Number: GX20072, GY20570 Fit for GX20072 GY20570, Weight: 2.5573622392 Pounds, Manufacturer: Wesafrae