OEM John Deere Part Number: AUC16698, Replaces: AM106627, AM121602 Fits John Deere: 180, 240, 245, 260, 265, 285, 320, 325, 335, 345, 355D, G100, GT242, GT262, GT275, GX255, GX325, GX335, GX345, GX355, LT133, LT150, LT155, LT160, LT166, LT180, LT190, LX172, LX173, Fits John Deere: F510, F525, F710, F725, F735, Front Mowers; Z225, Z245, Z425, Z445, Z465, Z625, Z645, Z655, Z665, EZtrak Mowers; Z510A, Z520A, Z710A, Z720A, Z-Trak Series Mowers Fits John Deere: X300, X304, X320, X324, X340, X360, Tractor Select Series; X500, X520, X530, X534, X540, X590, Tractor Multi-Terrain Series Fits John Deere: S2348 Scotts Yard Tractor; SST18 Spin Steer Tractor; Sabre 1948, 2046HV, 2148HV, 2354HV, Lawn & Garden Tractors John Deere Original Equipment Idler - AUC16698. **REPLACES AM106627**. IDLER, FLAT. Specification - Effective Diameter: 5.000IN. Groove Width: 0.748IN. Width: 0.00IN. Bore Size: 0.669IN. Distance - Center to End: 0.00IN. Material: A13C. Finish: B. This fits John Deere riding mower models: 180, 240, 245, 260, 265, 285, 320, 325, 335, 345, 995, F510, F525, F710, F725, F735, G100, GT242, GT262, GT275, GX255, GX325, GX335, GX345, GX355, LT133, LT150, LT155, LT160, LT166. LT180, LT190, LX172, LX173, LX173, LX176, LX178, LX186, LX188, LX280, LX289, 355D, X744, X748, X724, X728, X465, X575, X700, X724, X495, X485, X595, X585, X740, X475, X729, GT225, GT235, GT245, LT170, GT235E, SST18, STX38, STX46, X300, X304, X320, X324, X340, X360, X500, X520, X530, X534,X540 and X590. Compact tractor: 2210, 2305, 4010, 4100, 4110, 4115, 4200, 4210, 4300, 4310, 4400, 4410, 4500, 4510, 4600, 4610, 4700 and 4710. Sabre models: 1338G, 1338GS, 1538H, 1538G, 1538HX, 1564GS, 1638HS, 1646H, 1646HS V-Twin, 1842GV, 1842HV, 1848GV, 1848HV, 1846HV, 1846HMS, 1948GV, 1948HV, 2046HV, 2048HV, 2148HV, 2254HV, 2354HV and 2554HV. Scotts models: S2546, S2046, S2048, S2348 and S2554. Ztrak models: Z225, Z245, Z425, Z445, Z465, Z510A, ZZ520A, Z625, Z645, Z655, Z710A and Z720A. This is a OEM John Deere part. Thanks for looking!