Idler and Tensioner Information

Component Information Hydraulic Pumps Electric Clutches Serpentine Belts Idlers Tensioners Fittings
10/27/2025
Idlers (Manufactured) Idlers (OTC) Tensioners
Part No OEM Brand Dia (mm) Dia (in) Width (in) Bearings Type Part No OEM Brand OEM Part Dia (mm) Width (mm) Dia (in) Width (in) Material Rib Bearings Type Part No OEM Brand OEM Part Idler Part Source
740039 DewEze 1 1 Back 740145 Dayco 89001 90 31 3.54 1.22 Polymer 6 1 Flat 740255 Dayco 89446 Unknown Purchased
740040 DewEze 2 2 Back 740233 Dayco 89009 76 28.7 2.99 1.13 Polymer 6 1 6 Groove 740255 Gates 38620 Unknown Purchased
740041 DewEze 1 1-V 740234 Fenner FX0091 3 1 Flat 740267 Dayco 89220 740233 Manufactured
740042 DewEze 2 2-V 740294 Gates 38006 76 30.5 2.99 1.2 Pressed Steel 6 1 Flat 740271 Dayco 89220 Unknown Purchased
740133 DewEze 2 2 Back 740302 Dayco 89016 76 37 2.99 1.46 Pressed Steel 8 1 Flat 740281 Dayco 89235 Unknown Purchased
740143 DewEze 2 8 Groove 740324 Ford F5TZ8678B 1 8 Groove 740290 Dayco 89222 740261 Manufactured
740157 DewEze 2 8 Groove 740350 Dayco 89006 90 30 3.54 1.18 Pressed Steel 6 1 Flat 740296 Dayco 89393 Unknown Purchased
740158 DewEze 2 8 Groove 740386 Dayco 89018 90 27 3.54 1.06 Polymer 6 1 Flat 740298 Dayco 89235 740302 89055
740200 DewEze 2 Flat 740401 Gates 38023 76 34 2.99 1.34 Polymer 8 1 Flat 740310 Dayco 89235 740294 Manufactured
740231 DewEze 1 6 Groove 740425 Gates 38053 3 8 8 Groove 740318 Dayco 89235 740302 Manufactured
740232 DewEze 1 Flat 740427 Dayco 89051 76 3 Steel 6 1 6 Groove 740329 Dayco 89235 740233 Manufactured
740238 DewEze 1 6 Groove 740427 Gates 36100 76 3 Steel 6 1 6 Groove 740335 Dayco 89223 Unknown Purchased
740239 DewEze 1 6 Groove 742022 Dayco 89003 76 26 2.99 1.02 Polymer 6 1 Flat 740349 Dayco 89209 Unknown Purchased
740242 DewEze 63.5 2.5 1.375 2 Flat 742052 Dayco 89055 100 30 3.93 1.18 Pressed Steel 6 1 Flat 740371 Dayco 89211 Unknown Purchased
740243 DewEze 2 Flat 742080 Gates 38052 90 37 3.56 1.06 Steel 8 1 8 Groove 740376 Dayco 89204 740151 Manufactured
740249 DewEze 63.5 2.5 1 Flat 740151 Dayco 89105 74 32.8 2.91 1.29 Steel 8 2 Flat 740384 USE 743006
740311 DewEze 1 1 Back 740151 Gates 36095 74 33 2.91 1.3 Steel 8 2 Flat 740385 Dayco 89393 740233 Manufactured
740339 DewEze 2 1.375 2 Flat 740261 Dayco 89062 74 39.25 2.91 1.55 Powdered 7 2 Flat 740388 Dayco 89274 740143 Manufactured
740408 DewEze 2 Flat 740261 Gates 36091 74 39.25 2.91 1.55 Steel 7 2 Flat 740393 Dayco 89222 740261 Manufactured
745002 DewEze 81 3.188 2 Flat 740366 Dayco 89102 74 46.27 2.91 1.86 Steel 10 2 Flat 740422 Gates 38163 740294 Manufactured
740397 DewEze 2 8 Groove 740373 Dayco 89106 86.5 39.4 3.41 1.55 Steel 8 2 Flat 740441 Dayco 89204 742101 Manufactured
740389 Dayco 89005 78 33 3.07 1.3 Polymer 8 2 Flat 740447 Dayco 89204 740302 Manufactured
High performance idler bearings aren't always available over-the-counter 742091 Dayco 89052 2.75 Pressed Steel Flat 742034 Gates 38163 Unknown Purchased
742081 6203-2RDC3 High Performance (Used in 740242 & 740249) 742034 Dayco 89245 Unknown Purchased
740142 6203-2RS Standard Performance 700612CPK Belt Too Short (Unofficial) 742050 Dayco 89271 Unknown Purchased
Part No OEM Brand OEM Part Dia (mm) Width (mm) Dia (in) Width (in) Material Rib Bearings Type 742119 Dayco 89225 Unknown Purchased
740151 Dayco 89058 70 30 Pressed Steel 8 2 Flat 743001 Dayco 89205 Unknown Purchased
743002 Dayco 89245 Unknown Purchased
743003 Dayco 89274 Unknown Purchased
743005 Dayco 89269 Unknown Purchased
743006 Dayco 89204 Unknown Purchased
743007 Dayco 89393 Unknown OBS
743008 Gates 38113 Unknown Purchased
743010 Dayco 89230 Unknown Purchased
743011 Dayco 89478 Unknown Purchased
743011 Gates 38504 Unknown Purchased