2021 Ford Mustang Idler Pulleys

Enhance and Protect Your 2021 Ford Mustang with Quality Idler Pulleys

Maintaining the performance of your 2021 Ford Mustang starts with choosing the right parts, and a high-quality Idler Pulley helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Idler Pulleys specifically for the 2021 Ford Mustang, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Idler Pulleys for Every Budget

Finding an Idler Pulley that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $12.49 and an average price of $28.14, you can choose one that fits your budget while delivering the quality you expect. Our Idler Pulleys are competitively priced, ranging from $12.49 to $35.99, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 5 Idler Pulleys from 4 trusted brands in stock, Advance Auto Parts has you covered. Our Idler Pulleys for the 2021 Ford Mustang have earned reviews from over 9 customers, with an average 4 stars rating across the board. Popular options include O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter, O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76.5 mm Diameter, and Acc. Belt Idler Pull, starting at $25.99. Our selection includes highly regarded brands such as Litens, Dorman, and Gates, and more, offering you top-notch reliability. For example, we have 2 Litens Idler Pulleys starting at $25.99 with an average rating of 5 stars, 1 Dorman options from $12.49 with a 4 stars rating, and 1 Gates Idler Pulleys priced from $35.99 with a 4 stars average rating.

Explore Related Parts for a Complete Solution

To further enhance your 2021 Ford Mustang, don’t miss our related parts categories, including Belt Tensioner Pulleys. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Idler Pulleys for Your 2021 Ford Mustang

Dorman – Idler Pulley (Pulley only) (Part No.419-610)

Idler Pulley (Pulley only)

from

$12.49
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications
  • Restores functionality – reliable replacement for an original pulley that has failed due to vibration or corrosion
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter (Part No.900662A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter

from

$29.99
This Litens supplied pulley is manufactured by the original equipment (O.E.) manufacturer. This part is specifically designed for Ford / Lincoln applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket._

Product Features:
  • Heavy duty thermoplastic pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • All hardware included for easy installation (Bolt, Dust Shield, Retainer, Spacer), saving you time!
  • Installation instructions included
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76.5 mm Diameter (Part No.900946A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76.5 mm Diameter

from

$25.99
Litens Automotive is the original equipment (O.E.) supplier of this idler pulley assembly for a wide range of Ford F-Series and Super-Duty applications with a 6.2L gas engine (Boss V-8). The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured to the same exacting specifications as the O.E. part. Like the original part, this pulley is manufactured of heavy duty steel for maximum life and performance. There have been numerous Technical Service Bulletins (TSB) issued on pulleys produced by other manufacturers. Note: This drive uses two of these pulleys for belt routing. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket._

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit and performance
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance.
  • Precision steel stamping with close tolerance ball bearing pocket.
  • Electro-deposited coating (e-coat) for superior corrosion resistance.
  • Running surface designed and engineered for proper belt tracking.
  • 76.5mm O.D.; 17mm I.D.; 31.5mm width for a rib serpentine belt, Smooth running surface, steel construction.
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Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36491)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$35.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
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Motorcraft – Acc. Belt Idler Pull (Part No.G6020428371MTR)

Acc. Belt Idler Pull

from

$35.63
Acc. Belt Idler Pull

FAQs for 2021 Ford Mustang Idler Pulleys

Which Idler Pulleys are the top sellers for the 2021 Ford Mustang?

Out of 5 Idler Pulleys that fit 2021 Ford Mustangs, the following parts are the top sellers:
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter
from $29.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter
Idler Pulleys
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76.5 mm Diameter
from $25.99
This product is not rated
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76.5 mm Diameter
Idler Pulleys
Acc. Belt Idler Pull
from $35.63
This product is not rated
Acc. Belt Idler Pull
Idler Pulleys

How can I make sure that a part will be compatible with my 2021 Ford Mustang?

Our Ford Mustang aftermarket and OEM parts are designed specifically for the 2021 model. You can always find your specific fitment and compatibility for your 2021 Ford on an individual product page.

What is the price range for 2021 Ford Mustang Idler Pulleys?

The range of prices of Idler Pulleys for the 2021 Ford Mustang goes from $12.49 up to $35.99 for the most premium parts.

What is the average price of a 2021 Ford Mustang Idler Pulley?

2021 Ford Mustang Idler Pulleys average $28.14 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Litens, Dorman, Gates, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Idler Pulleys for other Ford Mustang model years?

Yes, we currently stock Idler Pulleys for 47 model years of Ford Mustangs, from 1969 to 2024. Model years 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013 are the most popular for Idler Pulley purchases.

Can I get help with 2021 Ford Mustang Idler Pulley orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Ford Idler Pulleys and more.

What is your return policy for Ford Mustang Idler Pulleys?

Advance Auto Parts keeps returns simple. For new Ford Mustang Idler Pulleys and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.