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ACDelco Drive Belt Tensioners

4.51 out of 5 stars 39 Customer Reviews

ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.




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Results 1 - 23 of 23

Drive Belt Tensioner Assembly

Part Number: ADO-38569

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38587

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38622

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38516

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38715

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Smooth Pulley, Ford, Freightliner, International, Kenworth, Orion Bus, Peterbilt, Sterling Truck, Western Star, Each

Part Number: ADO-38506

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38631

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38646

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Replacement, Peterbilt, Each

Part Number: ADO-38654

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Smooth Pulley, Freightliner, IC Corporation, International, Peterbilt, Each

Part Number: ADO-38514

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38635

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38501

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38535

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38702

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38507

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38511

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Serpentine, 8-rib, Autocar LLC., Blue Bird, Freightliner, International, Kenworth, Mack, Peterbilt, Western Star, Each

Part Number: ADO-38627

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Smooth Pulley, Blue Bird, Freightliner, New Flyer, Orion Bus, Peterbilt, Each

Part Number: ADO-38504

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

TENSIONER ASM, DRV BELT

Part Number: ADO-38670

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38590

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Drive Belt Tensioner Assembly

Part Number: ADO-38521

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Smooth Pulley, Freightliner, International, Kenworth, Mack, Peterbilt, Volvo, Western Star, Each

Part Number: ADO-38532

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Accessory Belt Tensioner, Smooth Pulley, Freightliner, Kenworth, Peterbilt, Each

Part Number: ADO-38508

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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