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Ford Belt Tensioner Assembly (11-17 V6)

Market Price $82.99 You Save 11% ($9.01)
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$73.98 (each)

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  • Item 384618

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    Features & Details

    • Provides Proper Serpentine Belt Tension
    • Cast-Aluminum Spring Case
    • Sealed-For-Life Bearing
    • Original Factory Equipment - OE Fit and Finish
    • Genuine Ford OEM Part - BT118
    • Fits 2011-2017 3.7L V6 Mustangs
    Correct Tension. Is your 3.7L V6 Mustangs serpentine belt slipping or squealing? Then you may be in need of a genuine Ford Motorcraft Replacement Belt Tensioner to provide the correct tension to fix the problem.

    Genuine Ford Part. Made to the original factory specifications from OEM quality materials, this Mustang Belt Tensioner features a cast-aluminum spring case and arm to resist cracking and fatigue. The sealed-for-life bearing provides long reliable maintenance-free operation. Genuine Ford part - BT118

    Application. This genuine Ford Belt Tensioner Assembly is designed for use on all 2011 to 2017 Mustangs equipped with the 3.7L Ti-VCT V6 engine.

    Fitment: 2011 2012 2013 2014 2015 2016 2017 Details

    MPN# BT118

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Belt Tensioner
    Installation Info
    Tech Specs
    Will it fit my Mustang?

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    Questions & Answers (1)

    1 Top Rated Question

    Will this product help reduce load on the engine due to air conditioning, power steering, ECT...? is there a pulley kit that helps reduce load thus getting more HP from V6?

    • The Ford Belt Tensioner Assembly is a factory OEM part that is meant to help with any belt squealing or slipping which can happen over time. This part is not really for performance but more to help the upkeep of the motor.

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    Customer Reviews (4) Write a Review

    Overall Rating 4.2

    out of 5 stars

    • 4/5

      May 06, 2018

      Belt tensioner

      Super easy to swap out. Installed it about 2 weeks ago still haven’t heard any squeal!


      Year: 2013 Submodel: V6

      Helpful (10)

    • 5/5

      June 10, 2017

      Can't go wrong with Ford

      Genuine Ford part. If you have belt squeal and the belt is good the new pulley will eliminate the noise.


      Year: 2012 Submodel: V6

      Helpful (10)

    • 5/5

      February 14, 2016

      No more squeal.

      It's basically a stock part, no bling or flash. But it fixes that annoying squeal from the belts. I guess it's a common problem amongst the v6, took 1 search for the forums to pop up. I cleaned my pulleys before installing and reused the serpentine belt. I felt immediately the stronger tension when I reinstalled the belt.


      Year: 2013 Submodel: V6 Dover, De

      Helpful (13)

    • 3/5

      January 25, 2016

      Great for engine

      This part is great when trying not to spend a lot of cash as well as install and try to complete a big engine project. It's not hard to install as long as you follow the directions. Looks great in the engine bay. For new mustang owners that want to start of small and have already done some basic engine work like the cold air intake, then this is a great addition.


      Year: 2014 Submodel: V6 Simi Valley, CA

      Helpful (12)

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