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Dayco Idler/Tensioner Pulleys

Dayco® No Slack™ Idler/Tensioner Pulleys

Designed to replace serpentine and V-belt drive idler and tensioner pulleys
Dayco’s reputation for top performance idler and tensioner pulleys is the result of the advanced automotive technologies employed in the materials research, design engineering, and manufacture of our pulleys. Specially formulated glass-filled polymers insure a high strength, cooler running, wear resistant “plastic” pulley. The use of state-of-the-art 3-D computer aided design (CAD) and finite element analysis (FEA) guarantees the optimal design and maximum structural integrity for both plastic and steel pulleys. The manufacture of pulleys with smoother surfaces and tighter dimensional tolerances translates into less vibration and therefore longer belt life. Lifetime lubricated ball bearings and double high temperature seals assure peak bearing performance, the most critical element of a pulley’s service life.


Click on a column heading to sort the items in the list

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Part numberTypeInside DiameterOutside DiameterWidth
131081Flat Steel17mm90mm30mm
131082Flat Polymer19mm104mm27mm
1310836 groove with flange Polymer19mm159mm29mm
1310846 groove with flange Polymer17mm76mm28mm
131085Flat Polymer17mm78mm26mm
131086Flat Steel17mm90mm30mm
1310876 groove with flange Polymer16mm131mm30mm
131090Flat Polymer17mm95mm26mm
89001Flat Polymer with Flange17mm90mm31mm
89003Flat Polymer with Flange17mm76mm26mm
89007Flat Steel17mm76mm31mm
890087 groove with flange Polymer17mm76mm26mm
89010Flat Polymer17mm82mm26mm
890126 groove with flange Polymer17mm90mm23mm
890146 groove with flange Polymer17mm109mm23mm
890156 groove with flange Polymer17mm70mm23mm
89016Flat Steel17mm76mm37mm
89017Flat Polymer17mm76mm26mm
89018Flat Polymer17mm90mm27mm
8902013A Section17mm94mm13mm
89026Flat Steel17mm100mm28mm
890294 groove with flange Steel17mm70mm16mm
8903511A section12mm95mm10mm
8903613A Section17mm81mm13mm
89037Flat Polymer17mm76mm22mm
890384 groove with flange Steel12mm70mm16mm
8903913A Section12mm81mm19mm
89042Flat Polymer dual bearing8mm70mm28mm
89043Flat Polymer dual bearing8mm70mm26mm
89044Flat Polymer dual bearing8mm80mm25mm
89045Flat Polymer dual bearing9mm80mm28mm
89046Flat Polymer dual bearing10mm70mm25mm
89048Flat Steel17mm90mm39mm
890494 groove with flange Steel17mm80mm16mm
89052Flat Steel17mm70mm29mm
890538 groove with flange Steel17mm76mm38mm
890547 groove with flange Polymer17mm90mm26mm
89055Flat Steel17mm100mm30mm
89059Flat Steel17mm76mm32mm
890706 groove with flange Polymer17mm64mm26.6mm
890724 groove with flange Steel25.7mm60mm19mm
89075Flat Polymer15mm85mm25mm
89076Flat Polymer25.7mm90mm25mm
89077Flat Polymer8mm70mm28mm
89078Flat Polymer8mm70mm28mm
890808 groove with flange Polymer8mm64mm33.5mm
89081Flat Polymer12mm80mm25mm
890836 groove with flange Polymer8mm64mm23mm
89087Flat Polymer17mm80mm25mm
89088Flat Polymer8.15mm80mm21mm
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