Repl Flat Idler Pulley 774089MA 091801MA 690425 for Murray 36" 38" 40" 46" Deck Replacement Part Number:774089MA, 774089, 690452MA, 690452, 91801MA, 91801, 091801MAA pplications:Fit For Murray 40" Lawn Tractor:405606 x50C, 405013 x50C, 405020 x51A, 405021 x114 (7800278), 405021 x151 (7800320), 405021 x51 (7800279), 405627 x51A, 405628 x114 (7800280), 405628 x51 (7800281)Fit For Murray 42" Lawn Tractor: 425018 x00A, 425307 x51A (7800282), 425622 x50CF it For Murray 38" Lawn Tractor:385002 x50B-SW, 385002 x50C, 385002 x78C, 385044 x51A-SW, 385047 x51A, 385048 x151 (7800319), 385048 x51A (7800276), 385049 x51 (7800277)Fit For Murray 30" Lawn Tractor: 312006 x50C, 312006 x51A (7800274), 312006 x51A (7800523)Fit For Allis-Chalmers 46" Lawn Tractor, 23 hp:AC 23460 AWS (7800511), AC 23460 AWS (7800543), AC 23460 AWS (7800544)Fit For Yard King 30" Lawn Tractor: 312006 x66A (7800506)Fit For Briggs & Stratton 38" Lawn Tractor: 385002 x190B (7800293)Fit For Briggs & Stratton 42" Lawn Tractor: 425017 x190B (7800301)