Goodyear part number 83570.
Goodyear 3L370 Power Equipment Accessory Drive Belt - 3/8" X 37"
Goodyear 4L550 Power Equipment Accessory Drive Belt - 1/2" X 55"
Goodyear 85370 Power Equipment Accessory Drive Belt - 5/8" X 37"
Goodyear 4L480 Power Equipment Accessory Drive Belt - 1/2" X 48"
Goodyear 4L470 Lawn & Garden Power Equipment Accessory Drive Belt - 1/2" X 47"
Goodyear 3L390 Lawn & Garden Power Equipment Accessory Drive Belt - 3/8" X 39"