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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.

Results 1 - 25 of 104

Idler Pulley, 90mm Diameter, 30mm Thick, Serpentine, Flat/No Grooves for 6-Rib Width Belts, 17mm Bearing Inside Diameter, Steel, Black, Each

Part Number: DAC-89006

5.0 out of 5 stars ( 7 )

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Idler Pulley, No Slack, Serpentine, 8-groove, Steel, Natural, Blue Bird, Ford, Freightliner, Kenworth, Peterbilt, Sterling Truck, Western Star, Each

Part Number: DAC-89103

Not Yet Reviewed

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Idler Pulley, No Slack, Each

Part Number: DAC-89012

Not Yet Reviewed

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Idler Pulley, No Slack, Each

Part Number: DAC-89039

1.0 out of 5 stars ( 1 )

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Idler Pulley, Serpentine, Steel, Dodge, Jeep, Ford, Lincoln, Mercury, Each

Part Number: DAC-89048

4.5 out of 5 stars ( 4 )

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Idler Pulley, No Slack, Each

Part Number: DAC-89059

4.75 out of 5 stars ( 4 )

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Idler Pulley, No Slack, Each

Part Number: DAC-89025

4.67 out of 5 stars ( 3 )

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Idler Pulley, Serpentine, Chrysler, Dodge, Eagle, Jeep, Plymouth, Each

Part Number: DAC-89097

Not Yet Reviewed

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Idler Pulley, No Slack, Serpentine, Plastic, Each

Part Number: DAC-89017

5.0 out of 5 stars ( 1 )

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Idler Pulley, No Slack, Each

Part Number: DAC-89014

Not Yet Reviewed

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Idler Pulley, No Slack, Each

Part Number: DAC-89105

Not Yet Reviewed

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Idler Pulley, No Slack, Each

Part Number: DAC-89095

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Idler Pulley, 7-Groove, Serpentine Belt, 70mm, Infiniti, for Nissan, Each

Part Number: DAC-89151

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Idler Pulley, No Slack, Each

Part Number: DAC-89020

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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IDLER/TENSIONER PULLEY, HD, DAYCO

Part Number: DAC-89124

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Idler Pulley, No Slack, Each

Part Number: DAC-89028

Not Yet Reviewed

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Drive Belt Idler Pulley

Part Number: DAC-89515

Not Yet Reviewed

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IDLER/TENSIONER PULLEY, LT DUTY, DAYCO

Part Number: DAC-89535

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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IDLER/TENSIONER PULLEY, LT DUTY, DAYCO

Part Number: DAC-89574

Not Yet Reviewed

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Idler Pulley, No Slack, Each

Part Number: DAC-89049

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Drive Belt Idler Pulley

Part Number: DAC-89181

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Drive Belt Idler Pulley

Part Number: DAC-89517

Not Yet Reviewed

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Drive Belt Idler Pulley

Part Number: DAC-89522

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Idler Pulley, Smooth, Serpentine Belt, 84mm, Infiniti, for Nissan, Each

Part Number: DAC-89156

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Idler Pulley, Smooth, Serpentine Belt, 90mm, Ford, 6.0, 6.4L, Each

Part Number: DAC-89157

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Estimated Ship Date: Jan 5, 2026 if ordered today

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