Belt Tensioner
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Belt Tensioner
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Dayco No Slack Belt Tensioner

Part No. 89258 Warranty  

See if this part fits a specific vehicle.

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Dayco No Slack Automatic Belt Tensioners are specifically built to outperform and outlast competitive OE parts. Each component is built to endure the toughest of conditions while promoting quieter performance and longer life.

Product Features:
  • The heavy duty cast aluminum spring case resists cracking and fatigue
  • Includes installation instructions
  • Made in the USA
  • Rust resistant construction
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Belt Type:Serpentine
Mounting Type:Automatic
Pulley Diameter:60 in
Pulley Material:Polymer
Pulley Type:Flat
Pulley Width:20 in

REVIEW SNAPSHOT®

by PowerReviews
Dayco No SlackBelt Tensioner
 
4.0

(based on 21 reviews)

Ratings Distribution

  • 5 Stars

     

    (11)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (3)

80%

of respondents would recommend this to a friend.

Pros

  • Easy to install (14)
  • Durable (7)
  • Lightweight (5)

Cons

    Best Uses

    • Replacement (12)
    • Everyday driving (9)
      • Reviewer Profile:
      • Mechanic (7), Auto enthusiast (5), Casual driver (5), Truck enthusiast (4)

    Most Liked Positive Review

     

    Does It's Job

    Bought to replace seized tensioner in an '02 Tahoe with 240k + miles. Pulley is made of plastic but seems strong enough. Replacement was a bit of a pain but not to bad,...Read complete review

    Bought to replace seized tensioner in an '02 Tahoe with 240k + miles. Pulley is made of plastic but seems strong enough. Replacement was a bit of a pain but not to bad, would have been much easier with the car on a lift, as you need to access it from the bottom. Had to take off a plastic rock shield (5 bolts) and loosen the serpentine belt (meaning 10 minutes of wrestling with it to get it back routed and on properly), but other than that it wasn't bad.

    VS

    Most Liked Negative Review

     

    Shattered!

    Bought this and put it on our escalade and 10 days later its fractured in multiple spots and now I have no AC, total waste of money!

    Bought this and put it on our escalade and 10 days later its fractured in multiple spots and now I have no AC, total waste of money!

    Reviewed by 21 customers

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    Displaying reviews 1-10

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    1.0

    Didn't work / FAILED

    By James R

    from Massachusetts

    About Me Auto Enthusiast, Casual Driver

    Verified Buyer

    Pros

      Cons

      • Failed After 120mi

      Best Uses

      • Replacement

      Comments about Dayco No Slack Belt Tensioner:

      Maybe a defective part, but after installing it and having it fail/lose tension after 120 miles it was not acceptable. I returned the Dayco part and went and bought a Gates product. Gates product has worked beautifully. Live and learn.

      Comment on this review(earn points)

       
      5.0

      Worked great, easy installation!

      By Mosby1863

      from Colonial Heights, VA

      About Me Mechanic

      Verified Buyer

      Pros

      • Easy To Install

      Cons

        Best Uses

        • Everyday Driving

        Comments about Dayco No Slack Belt Tensioner:

        Great Product, in stock, AC working again.

        Comment on this review(earn points)

         
        5.0

        EASY TO INSTALL

        By PROF.

        from Bflo NY.

        About Me Casual Driver

        Verified Buyer
        Level 1

        Pros

        • Durable
        • Easy To Install
        • Lightweight

        Cons

          Best Uses

          • Everyday Driving
          • Replacement

          Comments about Dayco No Slack Belt Tensioner:

          Needed it to repair A/C

          Comment on this review(earn points)

          (1 of 1 customers found this review helpful)

           
          1.0

          Shattered!

          By Mindshaker911

          from Dothan, AL

          Level 1

          Pros

          • None

          Cons

          • Broke
          • No Improvement In Performance

          Best Uses

            Comments about Dayco No Slack Belt Tensioner:

            Bought this and put it on our escalade and 10 days later its fractured in multiple spots and now I have no AC, total waste of money!

            Comment on this review(earn points)

             
            5.0

            Works as it should.

            By Bob

            from ky

            About Me DIY guy

            Verified Buyer
            Level 1

            Pros

            • Correct fit

            Cons

            • none

            Best Uses

            • Replacement

            Comments about Dayco No Slack Belt Tensioner:

            works

            Comment on this review(earn points)

             
            5.0

            Does It's Job

            By Luke

            from Michigan

            Pros

            • Cheap
            • Durable
            • Easy To Install

            Cons

              Best Uses

              • Everyday Driving
              • Replacement

              Comments about Dayco No Slack Belt Tensioner:

              Bought to replace seized tensioner in an '02 Tahoe with 240k + miles. Pulley is made of plastic but seems strong enough. Replacement was a bit of a pain but not to bad, would have been much easier with the car on a lift, as you need to access it from the bottom. Had to take off a plastic rock shield (5 bolts) and loosen the serpentine belt (meaning 10 minutes of wrestling with it to get it back routed and on properly), but other than that it wasn't bad.

              Comment on this review(earn points)

               
              5.0

              did the job right the first time

              By jim

              from River Rouge MI

              About Me Auto Enthusiast, Casual Driver, Mechanic, Truck Enthusiast

              Verified Buyer
              Level 3

              Pros

              • Durable
              • Easy To Install
              • Improves Engine Efficiency
              • Increases Power
              • Lightweight

              Cons

                Best Uses

                • Everyday Driving
                • Performance Driving
                • Replacement
                • Restoration

                Comments about Dayco No Slack Belt Tensioner:

                meets oem standards ,great quality , good price , got rid of the noise

                Comment on this review(earn points)

                 
                3.0

                ok

                By pw

                from erie,pa

                About Me Casual Driver

                Verified Buyer
                Level 1

                Pros

                • Lightweight

                Cons

                • Difficult To Install
                • No Improvement In Performance

                Best Uses

                • Everyday Driving

                Comments about Dayco No Slack Belt Tensioner:

                ok

                Comment on this review(earn points)

                 
                4.0

                works as it should

                By Danny

                from Columbus, GA

                About Me Auto Enthusiast

                Verified Buyer
                Level 1

                Pros

                • Easy To Install

                Cons

                  Best Uses

                  • Replacement

                  Comments about Dayco No Slack Belt Tensioner:

                  Replaced a squeaky/wore out tensioner with this unit. So far so good. The pulley is plastic vs. the original metal one but maybe it will hold up just as well - the bearing usually goes before the pulley anyway.

                  Comment on this review(earn points)

                   
                  5.0

                  NICE PRICE WORKS GREAT

                  By SIDEWAYS AUTO

                  from CT

                  About Me Auto Enthusiast, Casual Driver, Mechanic

                  Verified Buyer
                  3 or more reviews submitted

                  Pros

                  • Durable
                  • Easy To Install
                  • Lightweight

                  Cons

                    Best Uses

                    • Replacement
                    • Restoration

                    Comments about Dayco No Slack Belt Tensioner:

                    GET RID OF THAT NOISY A/C BELT AND PUT THIS TENSIONER ON, WITH NEW BELT OF COURSE. CHEAP AND EASY TO INSTALL

                    Comment on this review(earn points)

                    Displaying reviews 1-10

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                    Do you have questions about this product?(earn points for answers!)

                     

                    Ask a question, get answers from real customers and in-house experts. Or contact Customer Care by email or call 1-877-238-2623.

                    4 Questions | 4 Answers
                    Displaying questions 1-4
                    • Q:

                      Does this come with the pulley?
                      Asked on 6/27/2014 by Daria from United States

                      1 answer

                      • CUSTOMER CARE

                        A:

                        Hi Daria, good question! Yes, this assembly includes the pulley.

                        Answered on 6/28/2014 by Vincent from AAP
                    • Q:

                      Where is this Tech bulletin it says to read
                      Asked on 5/24/2014 by Mindshaker911 from Dothan AL

                      1 answer

                    • Q:

                      Assuming that Advance offers it, what is the part number for just the pulley with bearing that is part of this assembly?
                      Asked on 5/28/2010 by Anonymous

                      1 answer

                      • CUSTOMER CARE

                        A:

                        To further assist you on this question can you please provide us with your vehicles year, make, model, and engine size. thank You.

                        Answered on 5/28/2010 by Kevin from AAP
                    • Q:

                      can i just replace the pully and not the tentioner
                      Asked on 3/24/2010 by bill from wilmington nc

                      1 answer

                      • CUSTOMER CARE

                        A:

                        Yes you can just replace the pully without replacing the tensioner.

                        Answered on 5/12/2010 by Rose from AAP
                    Displaying questions 1-4

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