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5 Best Idlers of 2025

Last Updated - 2025/06/28

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

A-premium

A-Premium Engine Serpentine Belt Drive Kit with Tensioner & Idler Pulley Compatible with Hyundai & Kia Cars - Sonata 2006-2010, Optima 2007-2010, Forte, Forte Koup, Forte5, Rondo, Magentis - 2.0L 2.4L

A-premium

CA$111.99

More Details
Main highlights
- [Vehicle Fitment]: Compatible with Hyundai Sonata 2006-2009 2.4L, Sonata 2010 (Old Body Style); Compatible with Kia Forte 2010-2013 2.0L, Forte 2010-2011 2.4L, Forte Koup 2010-2013 2.0L, Forte Koup 2010-2011 2.4L, Forte5 2012-2013 2.0L, Magentis 2007-2010 2.4L, Optima 2007-2010 2.4L, Rondo 2010-2011 2.4L (May 30, 2010 & Older), Rondo 2007-2009 2.4L (with Air Conditioning) --- For Kia Forte/Forte5/Forte Koup, It fit for models with Air Conditioning, without Electric Power Steering
- [Special Note]: Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering.
- [Kit Parts Included:]: ① 1x Serpentine Belt; ② 1x Belt Tensioner; ③ 2x Idler Pulley
- [Functions]: A-Premium engine serpentine belt drive kit usually locates at the front of the engine and wraps around a set of sprockets. It ensures the connection between the camshaft and crankshaft, making the pistons and valves work together in the correct sequence. It will help the engine run normally, improve fuel efficiency, and thus effectively optimise the engine's performance.
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted engine serpentine belt drive kit. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
CA$111.99
2
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Dorman

Dorman 419-521 Accessory Drive Belt Idler Pulley Compatible with Select Ford Models

Dorman

CA$82.00

More Details
Main highlights
- Trustworthy quality - backed by team of engineers and quality specialists in the United States
- Restores performance - fixes a failed, squealing or groaning noise from a worn idler pulley
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
- Application specific - reverse engineered from the original design on certain vehicle years, makes and models
CA$82.00
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

AUQDD

AUQDD 39384 Automatic Belt Tensioner and Pulley Assembly (For 3.5L V6) Fit For 2013 Infi-niti JX35 /14-20 QX60 /14-18 Nis-san Altima /16-20 Maxima /15-20 Murano /13-19 Pathfinder /14 15 16 17 Quest

AUQDD

CA$64.74

More Details
Main highlights
- PLEASE NOTE - Before placing the order,please check your car model in the Amazon Fitment Filter System in the top left corner,Do not count on year make and model only,view compatability tab including the notes.
- OE QUALITY - Manufactured in ISO/TS16949 certified facilities by the advanced machines and each part is built to stringent OE specifications.Stable characteristics,High reliability.
- FUNCTION - The replacement automatic serpentine belt tensioner pulley assembly transports power to the alternator,power steering pump,air conditioning and keeps it running smoothly and effectively.It is designed for vehicles that needs an automatic belt tensioner.The torsional round spring design provides consistent tension for maximum durability.
- FEATURES - Easy to install by direct replacement.Eliminate noisy tensioner pulley and no more belt noise.Ensures proper belt tension,alignment and damping for superior performance.
- Cost-effective - We are a factory direct sales.Customers can spend a small amount of money and get high quality Brand new Automatic Belt Tensioner and Pulley Assembly.
CA$64.74
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ACDelco

ACDelco 36169 Professional Idler Pulley

ACDelco

CA$47.49

More Details
Main highlights
- Steel or thermoplastic construction that provides high durability for long life
- Provides reliable operation under severe conditions for year round performance
- Has mounting hardware included on some popular applications as an added feature
- Bearing is designed for application specific speed and load requirements
CA$47.49
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Gates

Gates 36455 Idler Pulley

Gates

CA$45.60

More Details
Main highlights
- Product Type: AUTO_PART
- Package Dimensions:7.4 Lx7.4 Hx7.9 WInches
- Model Number: 36455
- Made in Mexico
CA$45.60

5 Best Idlers of 2025

A-Premium Engine Serpentine Belt Drive Kit with Tensioner & Idler Pulley Compatible with Hyundai & Kia Cars - Sonata 2006-2010, Optima 2007-2010, Forte, Forte Koup, Forte5, Rondo, Magentis - 2.0L 2.4L

Dorman 419-521 Accessory Drive Belt Idler Pulley Compatible with Select Ford Models

AUQDD 39384 Automatic Belt Tensioner and Pulley Assembly (For 3.5L V6) Fit For 2013 Infi-niti JX35 /14-20 QX60 /14-18 Nis-san Altima /16-20 Maxima /15-20 Murano /13-19 Pathfinder /14 15 16 17 Quest

ACDelco 36169 Professional Idler Pulley

Gates 36455 Idler Pulley

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