Dorman Automatic Belt Tensioners

4.41 out of 5 stars 41 Customer Reviews

Put some tension on your belts with Dorman automatic belt tensioners. Rigorously tested for sustained performance by a team of product and quality engineers, Dorman

Put some tension on your belts with Dorman automatic belt tensioners. Rigorously tested for sustained performance by a team of product and quality engineers, Dorman's automatic belt tensioner assemblies are designed to provide proper tension to vehicle serpentine belts. They incorporate a damping design, torsion spring, and sealing system to ensure the proper functioning of many integral engine components. Replace worn-out or weak parts with Dorman automatic belt tensioners. The automatic belt tensioner should be replaced whenever the serpentine belt is replaced. Features include: * Quality tests include torque

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Results 1 - 19 of 19

Dorman Automatic Belt Tensioners 419-201

Automatic Belt Tensioner, Smooth Pulley, Ford, Mazda, Mercury, Each

Part Number: RNB-419-201

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Dorman Automatic Belt Tensioners 419-109

Automatic Belt Tensioner, Smooth Pulley, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Each

Part Number: RNB-419-109

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dorman Automatic Belt Tensioners 419-112

Automatic Belt Tensioner, 6-Rib Pulley, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: RNB-419-112

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Automatic Belt Tensioners 419-006

Automatic Belt Tensioner, Smooth Pulley, Dodge, Ram, Jeep, Chrysler, Each

Part Number: RNB-419-006

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-040

Accessory Belt Tensioners, Automatic Belt Tensioner, Smooth Pulley, Chrysler, Dodge, Jeep, Ram, 3.6L, Each

Part Number: RNB-419-040

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-008

Automatic Belt Tensioner, Chrysler, Dodge, Jeep, 4.7L, Each

Part Number: RNB-419-008

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-011

Automatic Belt Tensioner, Ford, Lincoln, Mercury, Each

Part Number: RNB-419-011

Not Yet Reviewed

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Dorman Automatic Belt Tensioners 419-037

Automatic Belt Tensioner (Tensioner Only)

Part Number: RNB-419-037

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-207

Automatic Belt Tensioner, Smooth Pulley, Ford, Lincoln, Each

Part Number: RNB-419-207

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-303

Automatic Belt Tensioner (Tensioner Only)

Part Number: RNB-419-303

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-015

Automatic Belt Tensioner, Saturn, Pontiac, Chevy, Oldsmobile, Each

Part Number: RNB-419-015

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-300

Automatic Belt Tensioner, Smooth Pulley, Chrysler, Dodge, Plymouth, Each

Part Number: RNB-419-300

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-009

Automatic Belt Tensioner, Serpentine Pulley, 6-rib, Buick, Chevy, Pontiac, Saturn, Each

Part Number: RNB-419-009

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-205

Automatic Belt Tensioner, Smooth Pulley, Ford, Each

Part Number: RNB-419-205

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners for 1995-1997 CONTOUR, MYSTIQUE - 419-218

Automatic Belt Tensioner (Tensioner Only)

Part Number: RNB-419-218

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-367

Automatic Belt Tensioner, Smooth Pulley, Mercedes-Benz, Each

Part Number: RNB-419-367

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners 419-378

Automatic Belt Tensioner

Part Number: RNB-419-378

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners for 1998-2003 SONOMA, S10, 1999-2000 HOMBRE - 419-115

Automatic Belt Tensioner, Smooth Pulley, Chevy, GMC, Isuzu, Each

Part Number: RNB-419-115

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Dorman Automatic Belt Tensioners for 1998-2002 CAVALIER, SUNFIRE - 419-111

Automatic Belt Tensioner, Smooth Pulley, Chevy, Pontiac, Each

Part Number: RNB-419-111

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Dayco No Slack Idler Pulleys 89017

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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