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Dayco No Slack Idler Pulleys

4.55 out of 5 stars 80 Customer Reviews

Take up the slack with Dayco No Slack Idler pulleys. These specially formulated glass-filled polymer or steel-bodied pulleys have smoother surfaces and tighter dimensional tolerances for less vibration and longer belt life. They meet or exceed OEM specifications and feature lifetime-lubricated bearings and high-temperature seals to ensure peak bearing performance. Maximum structural integrity and optimal performance mean Dayco value for you. Keep your belts from slacking off with Dayco No Slack Idler pulleys.

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Drive Belt Idler Pulley

Part Number: DAC-89109

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Idler Pulley, No Slack, Serpentine, 8-Groove, 74mm O.D., 37.50mm Width, 17mm Bearing I.D., 28mm Bearing Width, Caterpillar Diesel, Each

Part Number: DAC-89112

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Drive Belt Idler Pulley

Part Number: DAC-89110

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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