10 Best serpentine belt tensioners of 2025

Explore top picks

Best Choice

1

Gates
Gates 38285 DriveAlign Automatic Belt Drive Tensioner
Main highlights

High Quality Manufacturing
Manufactured using OEM or better technology and materials for reliable performance.

Versatile Vehicle Compatibility
Fits cars, vans, SUVs, and light trucks, both domestic and import.

Enhanced Durability
Patented vibration-damping system praised for extending tensioner and belt life.
Key specs
- Pulley Type:Torsional round spring
- Function:Belt drive tensioner
- Fitment:Cars, vans, SUVs, trucks
- OEM Number:3947574, 5086958AA
- Material:Quality materials
9.9

Exceptional

Our Rating
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Based on millions of stores and reviews

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Value for Money

2

TIKSCIENCE

90K-38278D Serpentine Belt Tensioner Assembly Drive Kit Fit for Honda CR-V 2.4L 2012-2014 Replace 31170RAAA01 36769 K070663 31170PNA023
9.6

Exceptional

Our Rating
3

ACDelco
ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley, Aluminum w/ Black Pulley
Main highlights

Proper Drive Belt Tension
Designed to keep drive belt at proper tension, ensuring optimal performance and longevity of the vehicle's engine components.

Ideal for General Motors and More
Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models.

Highly Effective in Reducing Engine Shake
Customers praised its ability to immediately eliminate engine shake and vibrations, particularly while idling, enhancing overall driving smoothness.
9.5

Excellent

Our Rating

9.9
Easy installation

9.7
worth the money

9.5
materials Quality
4

ApplianPar

ApplianPar Belt Tensioner and Serpentine Belt Upper Lower Idler Pully for Nissan Altima 3.5 2007-2013, Maxima 2009-2014, Murano 2009-2014
9.4

Excellent

Our Rating
5

KeleHD

KeleHD 90K-39073 Serpentine Drive Belt Tensioner Kit Fit for Honda Accord 2008-2012 replace# 39073 7PK1835
9.3

Excellent

Our Rating
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6

A-Premium

A-Premium Belt Tensioner Assembly with Pulley Compatible with Honda Accord 2003-2007, Civic 2006-2015, CR-V, Element & Acura TSX, CSX, RDX, ILX, Replace# 31170RAAA01, 31170PNA023
9.0

Excellent

Our Rating
7

X AUTOHAUX

X AUTOHAUX Drive Belt Tensioner Pulley Assembly for Acura MDX RL TL for Honda Accord Odyssey Pilot Ridgeline AC Belt Tension 31170-RCA-A01 31170RCAA01
8.9

Very Good

Our Rating
8

A-Premium
A-Premium Engine Serpentine Belt Drive Kit with Tensioner Compatible with Toyota Camry 2012-2017, RAV4 2009-2018 & Scion tC 2011-2016 - DOHC L4 2.5L
Main highlights

Efficient Engine Performance
The serpentine belt drive kit ensures optimal engine operation by perfectly connecting the camshaft and crankshaft, improving efficiency and reducing noise.

Versatile Compatibility
Ideal for Toyota Camry, RAV4, and Scion tC with DOHC L4 2.5L engines, ensuring a perfect fit and function.

Customer Praised Durability
Customers frequently highlight the kit's durability and reliable performance, making it a trusted choice for long-term use.
Key specs
- Design:Serpentine belt drive kit
- Compatibility:Toyota Camry, RAV4, Scion tC
- Belt Material:N/A
- Rib Quantity:N/A
- Length:N/A
8.8

Very Good

Our Rating
9

MOTOKU

MOTOKU Engine Drive Belt Tensioner and Idler Pulley Serpentine Belt kit for Mercedes C280 C300 C350 CL550 CLK350 CLK550 CLS550 E350 E550 G550 GL450 GL550 GLK350 ML350 ML550 S550 M272 M273 V6 V8 Engine
8.7

Very Good

Our Rating
10

A-Premium
A-Premium Belt Tensioner Assembly with Pulley Compatible with Honda Accord 2008-2010, Odyssey 2005-2010, Pilot 2006-2011, Accord Crosstour 2010 3.5L, Replace# 31170R70A01, 31170RKB005
Main highlights

Perfect Match with Original Parts
Ensures sturdy construction and reliable performance for Honda vehicles.

Ideal for Honda V6 3.5L Engines
Best suited for Honda Accord, Pilot, Odyssey, and Crosstour models.

Praised for Smooth Operation
Customers love its ability to maintain quiet and efficient belt tension.
8.6

Very Good

Our Rating

10 Best serpentine belt tensioners of 2025

1

Gates 38285 DriveAlign Automatic Belt Drive Tensioner

How do we rank?

How do we rank?

Analyzing top stores

2

90K-38278D Serpentine Belt Tensioner Assembly Drive Kit Fit for Honda CR-V 2.4L 2012-2014 Replace 31170RAAA01 36769 K070663 31170PNA023

3

ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley, Aluminum w/ Black Pulley

9.9

9.7

9.5

4

ApplianPar Belt Tensioner and Serpentine Belt Upper Lower Idler Pully for Nissan Altima 3.5 2007-2013, Maxima 2009-2014, Murano 2009-2014

5

KeleHD 90K-39073 Serpentine Drive Belt Tensioner Kit Fit for Honda Accord 2008-2012 replace# 39073 7PK1835

6

A-Premium Belt Tensioner Assembly with Pulley Compatible with Honda Accord 2003-2007, Civic 2006-2015, CR-V, Element & Acura TSX, CSX, RDX, ILX, Replace# 31170RAAA01, 31170PNA023

7

X AUTOHAUX Drive Belt Tensioner Pulley Assembly for Acura MDX RL TL for Honda Accord Odyssey Pilot Ridgeline AC Belt Tension 31170-RCA-A01 31170RCAA01

8

A-Premium Engine Serpentine Belt Drive Kit with Tensioner Compatible with Toyota Camry 2012-2017, RAV4 2009-2018 & Scion tC 2011-2016 - DOHC L4 2.5L

9

MOTOKU Engine Drive Belt Tensioner and Idler Pulley Serpentine Belt kit for Mercedes C280 C300 C350 CL550 CLK350 CLK550 CLS550 E350 E550 G550 GL450 GL550 GLK350 ML350 ML550 S550 M272 M273 V6 V8 Engine

10

A-Premium Belt Tensioner Assembly with Pulley Compatible with Honda Accord 2008-2010, Odyssey 2005-2010, Pilot 2006-2011, Accord Crosstour 2010 3.5L, Replace# 31170R70A01, 31170RKB005

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