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    National average

    Serpentine Belt Replacement Cost

    Serpentine belt replacement runs $100-$250. Stretch-fit belts and engines with hard-to-reach tensioners cost more.

    Parts
    $25–$100
    Labor
    $48–$144
    Typical total
    $73–$244

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    What's included

    • New belt
    • Tensioner inspection (replace if worn)
    • Idler pulley check
    • Test for noise

    What affects the price

    • Belt length
    • Tensioner condition
    • Engine accessibility

    Can you DIY?

    DIY saves $50-$150; the route diagram is on the radiator shroud.

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    Frequently asked questions

    How much does a serpentine belt cost in the US?

    Typical total runs $73–$244 nationally, with parts around $25–$100 and labor $48–$144.

    What is included in a serpentine belt?

    New belt; Tensioner inspection (replace if worn); Idler pulley check; Test for noise.

    What changes the price of a serpentine belt?

    Belt length Tensioner condition Engine accessibility Always get more than one written quote.

    Can I do a serpentine belt myself?

    DIY saves $50-$150; the route diagram is on the radiator shroud.

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