The invention provides a manufacturing device for a vehicle suspension rack arm and manufacturing method for the vehicle suspension rack arm. The manufacturing device can be used for manufacturing a high-quality vehicle suspension rack arm on the premise that productivity cannot be lowered. The manufacturing device (10) is characterized by comprising a bending processing device (11A) used for manufacturing a bending work piece (21), a forging device (11B) provided with a compressing and forging mold (12) and a precise forging mold (14) that are arranged side by side, a trimming deflashing device (15), a first moving mechanism (16A) used for moving in heated round-rod-shaped material (20), a second moving mechanism (16B) used for moving the bending work piece (21), a third moving mechanism (17A) used for moving a compressed and forged member (22), a fourth moving mechanism (17B) used for moving out a precisely forged member (24) and a first coating mechanism (18A) used for coating the compressing and forging mold (12) and the precise forging mold (14) with lubricating agents, wherein the compressing and forging mold (12) is used for manufacturing the compressed and forged member (22).