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Dayco 89179 Idler/Tensioner Pulley
Bearing Inner Diameter 1 (mm) : 10.15
Bearing Width (mm) : 12
Belt Type : Serpentine
Flat : Y
Material : Steel
Dayco No Slack Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer pulley life.