Made with Kevlar Blue V-Belt (5/8" X 43" ) A-B40K. The Blue V-Belt is an extra heavy duty belt constructed of organic polyamide fibers. The polyamide fibers are created by a complex chemical process. This process allows the belts to have a high resistance to repeated reverse flexing, oil, heat and cracking. also offer high tensile strength, non-extensibility, and high resistance to shock loads. Replaces 72821 o.c. length5/8" X 43" top width5/8" depth13/32" Set Qty2. . MODELS: MacDon MOWER CONDITIONER: 910 MacDon MOWER CONDITIONER: 920 (Miscellaneous) (Undefined): SEVERAL Murray MOWER ATTACHMENT: 6-24550 (Snow Blower) Dixie Chopper RIDING MOWER: XXG5400 (Eng to Transmission) Dixie Chopper RIDING MOWER: XXWD2600 (Eng to Pump set/2 2004) Dixie Chopper RIDING MOWER: XXW4600 (Eng to Transmission) Exmark RIDING MOWER: EX-18KO Exmark RIDING MOWER: EX-20KO Exmark RIDING MOWER: EXPLORER Exmark RIDING MOWER: EXPLORER II Exmark RIDING MOWER: EXS-18KO Exmark RIDING MOWER: EXS-20KC Exmark RIDING MOWER: EXS-20KC-2 Exmark RIDING MOWER: EXS-20KO John Deere RIDING MOWER: RX63 John Deere RIDING MOWER: RX73 John Deere RIDING MOWER: RX75 John Deere RIDING MOWER: RX95 John Deere RIDING MOWER: SRX75. This is an Aftermarket part. Thanks for looking!