Win A 2018 RTR Spec 3 Mustang Enter Now!
Talk to a Mustang Expert
Mon - Sun, 8:30 AM EST - 11:00 PM EST

3 Days Left for Free Shipping! Get it by Dec 24th available on most items - Details

Ford Belt Tensioner Assembly - Main Drive (15-17 GT)

Market Price $43.99 You Save 12% ($5.08)
Our Price

$38.91 (each)

FREE Shipping on orders over $49
  • Item 384617
  • MPN# BT103

In Stock Ships same business day. Choose options to add to cart

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 - BT103, BR3Z6B209H
  • Fits 2011-2017 5.0L V8 Mustangs
Correct Tension. Is your 5.0L Coyote V8 Mustangs main drive 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 - BT103, BR3Z6B209H.

Application. This genuine Ford Main Drive Belt Tensioner Assembly is designed for use on all 2011 to 2017 Mustangs equipped with the DOHC 5.0L Coyote V8 engine including GT and BOSS models.

Fitment: 2011 2012 2013 2014 2015 2016 2017 Details

What's in the Box
  • (1) Main Drive Belt Tensioner
Installation Info
Tech Specs
Will it fit my Mustang?
  • GT - 11, 12, 13, 14, 15, 16, 17
  • Boss 302 - 12, 13

Customer Photos

You Might Also Like

Q & A

No questions about this product yet.

Ask the First Question

More Products You Might Like

Customer Reviews (1) Write a Review

Overall Rating 3.0

out of 5 stars

  • 3/5

    August 18, 2017

    I'm using it for my bully upgrade

    I'm using it for my bully upgrade I'll tray it and let you guys know how it workerd for me


    Year: 2015 Submodel: GT

    Helpful (0)

Related Mustang Categories