Mtd Oem 918-04292c/ 918-04292b/918-04292/618-04292b Gearbox Transmission. 22OEM- ORIGINAL EQUIPMENT MANUFACTURED. 22″- DOES NOT FIT ALL 22″. PLEASE CHECK YOUR MODEL NUMBER. IF YOU ARE NOT SURE THIS IS THE CORRECT PART, PLEASE SEND YOUR MODEL NUMBER AND WE WILL CHECK. THIS IS A NON-RETURNABLE PART. The item “MTD OEM 918-04292C/ 918-04292B/918-04292/618-04292B GEARBOX TRANSMISSION. 22″.