Rotary 13167 Paddle And Snowblower Scraper Bar Kit, (1) 13167 Paddle Set And (1) 5523 Scraper Bar Paddle Set Replaces MTD Part Number: 753-04472; Includes (4) 735-04032 Spirals & (2) 735-04033 Paddles Fits Newer 21" Single Stage Throwers Scraper Bar Replaces MTD Part Numbers: 731-0778, 731-0812, 731-1033, 931-1033 Does Not Include Mounting Hardware