Heavy-Duty Flat Idler / Murray 91179MAPack Size:1Countax 20811500, Hayter MY91179, Murray 91179, Murray 421409, Murray 421409MA, Murray 91179MA, Murray 091179MAEdgewater 499114, ESF 165-365, Foley/Belsaw 5979980, Foley/PLP 165-365, Laser 95515, Laser 42743, NHC 276-6799, Oregon 78-027, Oregon 34-826, Prime Line 7-05338, Rotary 7978, Sunbelt MU-7978, Sunbelt B1MU7978Murray lawn tractors 1987-1993 with 38" deckIdler E: 9/32 ", Idler F: 9/32 ", Idler H: N/A ", Idler K: 1 ", Idler V: 1 1/16 ", ID: 1/2 ", Material: Plastic, Heavy-duty style, Engine to transmission idler, Explanation of Letters: Refer to the drawing by clicking on More Info, Made By: An OEM supplier, OD: 3 3/8 ", Idler B: 2 3/4 ", Height: 1 1/16 ", Idler A: 3 3/8 ", Idler C: 1/2 "