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Belt Tensioners

A belt tensioner is a spring-loaded idler pulley that ensures the serpentine belt stays routed on its pulleys at the proper tension. The tensioner is sealed with no lubrication point and has about the same service life as the belt itself, so it’s a good idea to plan on replacing them at the same time. The tensioner uses a spring to apply proper tension on the belt and this will weaken over time. Shop Advance for belt tensioners from trusted brands like Dayco, ACDelco, Gates and Motorcraft.

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Part # 89006
(515 reviews)
1 yr replacement if defective
Does Not Fit 

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Automatic Belt Tensioner, Dayco
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Part # 89263
(95 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

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Idler Pulley, Dayco
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Part # 89015
(88 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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Serpentine Belt Tensioner: 1 Piece
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Part # 999410A
(8 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

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Home Delivery - Free over $35

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Automatic Belt Tensioner, Dayco
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Part # 89330
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

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Home Delivery - Free over $35

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Serpentine Belt Tensioner: 1 Piece
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Part # 999010A
(5 reviews)
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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Accessory Belt Drive Idler Pulley - Original Equipment Quality
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Part # 900606A
No Reviews
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

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Home Delivery - Free over $35

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Serpentine Belt Tensioner: 1 Piece
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Part # 999775A
(2 reviews)
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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Idler Pulley, Dayco
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Part # 89007
(454 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

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Accessory Belt Drive Idler/Tensioner Pulley - Original Equipment Quality
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Part # 900052A
(36 reviews)
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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Automatic Belt Tensioner, Dayco
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Part # 89258
(156 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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Idler Pulley, Dayco
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Part # 89133
(51 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

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Home Delivery - Free over $35

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Idler Pulley, Dayco
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Part # 89009
(250 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

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Idler Pulley, Dayco
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Part # 89161
(26 reviews)
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

Standard Delivery Available

Accessory Belt Drive Idler/Tensioner Pulley - Original Equipment Quality
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Part # 900027A
(49 reviews)
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

Standard Delivery Available

Belt Tensioners

Serpentine belts are a little tricky, but most vehicles feature a routing schematic underhood that shows the proper path the belt should take. When replacing the belt, it might be a good idea to replace the tensioner assembly as well.

Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.
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