Idler Pulley
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Idler Pulley
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CARQUEST by Dayco Idler Pulley

Part No. 89049 Warranty Details  

See if this part fits a specific vehicle.

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Dayco No Slack Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and therefore longer pulley life.

Product Features:
  • Lifetime lubricated ball bearings
  • Double high temperature seals to assure peak bearing performance
  • Grooved, steel pulley that contains a specially formulated e-coating, comparable to OE plating that resists corrosion and wear resistance under harsh environments
  • Meets or exceeds OE quality
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Belt Type:Serpentine
Bracket Included:No
Diameter:80 mm
Idler Pulley Bearing Inside Diameter:17 mm
Idler Pulley Groove Quantity:4
Idler Pulley Material:Steel
Idler Pulley Width:20.3 mm


by PowerReviews
CARQUEST by DaycoIdler Pulley

(based on 1 review)

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Reviewed by 1 customer

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(3 of 3 customers found this review helpful)


Excellent product. Solved all my issues.


from Palm City, FL

Verified Buyer
Helpful Reviewer


  • Improves Engine Efficiency
  • Lightweight


    Best Uses

    • Everyday Driving
    • Replacement

    Comments about CARQUEST by Dayco Idler Pulley:

    Solved my squeeling noisy pulley issues.

    • Car & Truck:
    • Casual Driver

    Comment on this reviewHelp Icon

    Do you have questions about this product?


    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

    2 Questions | 2 Answers
    Displaying questions 1-2
    • Q:

      is this for belt tensioner on a/c
      Asked on 7/13/2016 by willy

      1 answer



        Yes, Willy, this CARQUEST by Dayco Idler Pulley (Part No. 89049) is an air conditioner driver belt idler pulley.

        Answered on 7/14/2016 by Steve from AAP
    • Q:

      What is comp drive? In my 98 altima my idler pulley is smooth..this one has the V grooves can I replace my stock on with this one?
      Asked on 11/8/2012 by wk9k from United States

      1 answer


        A: means the compressor drive. This Dayco No Slack Idler/Tensioner Pulley - part# 89049 is an exact fit for your 1998 Nissan Altima. For any further assistance, please visit your nearest Advance Auto store or call us directly at 1-877-ADVANCE (238-2623) and one of our representatives there would be more than happy to assist you.

        Answered on 11/8/2012 by Vincent from AAP
    Displaying questions 1-2

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