---
title: "belt tensioner — Niche Verdict: Worth a look (64/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/belt-tensioner"
last_updated: "2026-07-10T01:46:41.502Z"
locale: en
meta:
  description: "belt tensioner shows demand growing +270.8%, but a small market ($1.5M/yr) keeps it on the watch list."
  "og:description": "belt tensioner shows demand growing +270.8%, but a small market ($1.5M/yr) keeps it on the watch list."
  "og:title": "belt tensioner — Niche Verdict: Worth a look (64/100) | Amazon United States - Flapen"
---

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# **belt tensioner**

**Worth a look****64/100 **

belt tensioner shows demand growing +270.8%, but a small market ($1.5M/yr) keeps it on the watch list.

**Market/yr**

**$1.5M**

**Growth (1y)**

**+270.8%**

**Products**

**85**

**Brands**

**30**

was 21 a year ago

**Sellers**

**128**

**Price range**

**$11.60–$125.03**

**Returns**

**5.7%**

**Rating**

**4.4★**

**Worth a look**

Scores 64/100 — above our 62-point bar, but a launch gate (market size, growth, or returns) failed.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**42**

 ×0.30

Growth

**83**

 ×0.30

Competition

**83**

 ×0.20

Quality gap

**47**

 ×0.10

Returns

**53**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +270.8% year over year.

35K17KJul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Competition**

- ACDelco29% - A-Premium23% - Dorman9% - Toyota8% - Gates6% - Dayco3% - Other (24 brands)22%

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen. 30 brands and 128 sellers compete here.

**Brands**

**30 **▲rising

was 21 a year ago

**Sellers**

**128**

**Top 5 brand share**

**75%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley Aluminum w/ Black Pulley](https://m.media-amazon.com/images/I/3113aBF4VtL.jpg) [**ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley Aluminum w/ Black Pulley**](https://www.amazon.com/dp/B000C9PFJK)

ACDelco$30.574.6★2,5579%▼falling

2
![Toyota Belt Tensioner - 16620-0S012](https://m.media-amazon.com/images/I/31H7IXLahML.jpg) [**Toyota Belt Tensioner - 16620-0S012**](https://www.amazon.com/dp/B07WLNW6KT)

Toyota$87.624.9★238%▲rising

3
![ACDelco Gold 38001 (88909582) Idler Pulley](https://m.media-amazon.com/images/I/41fQW8sIgbL.jpg) [**ACDelco Gold 38001 (88909582) Idler Pulley**](https://www.amazon.com/dp/B000C9KQSA)

ACDelco$19.724.6★2,4996%▼falling

4
![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](https://m.media-amazon.com/images/I/41sMFWNwDwL.jpg) [**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**](https://www.amazon.com/dp/B08L484GN4)

A-Premium$33.414.3★5954%—flat

5
![ACDelco Gold 38159 Drive Belt Tensioner Assembly with Pulley](https://m.media-amazon.com/images/I/41qRwzObAXL.jpg) [**ACDelco Gold 38159 Drive Belt Tensioner Assembly with Pulley**](https://www.amazon.com/dp/B000C9POFK)

ACDelco$23.454.7★1,7024%▲rising

6
![Dorman 419-610 Accessory Drive Belt Tensioner Pulley Compatible with Select Models](https://m.media-amazon.com/images/I/51WMDD+V1SL.jpg) [**Dorman 419-610 Accessory Drive Belt Tensioner Pulley Compatible with Select Models**](https://www.amazon.com/dp/B003QVIXYU)

Dorman$15.794.6★1,7373%▼falling

7
![Dorman 419-5007 Accessory Drive Belt Idler Pulley Compatible with Select Models](https://m.media-amazon.com/images/I/51mRCylt9-L.jpg) [**Dorman 419-5007 Accessory Drive Belt Idler Pulley Compatible with Select Models**](https://www.amazon.com/dp/B01D8VIGKS)

Dorman$15.844.6★4273%▲rising

8
![ACDelco Gold 38103 (88909593) Drive Belt Tensioner Assembly with Pulley](https://m.media-amazon.com/images/I/41nOkwbgpdL.jpg) [**ACDelco Gold 38103 (88909593) Drive Belt Tensioner Assembly with Pulley**](https://www.amazon.com/dp/B000C9PNI8)

ACDelco$38.374.6★1,6302%▼falling

9
![ACDelco Gold 38009 (88909590) Flanged Idler Pulley](https://m.media-amazon.com/images/I/41Igq3uJmqL.jpg) [**ACDelco Gold 38009 (88909590) Flanged Idler Pulley**](https://www.amazon.com/dp/B000C9M6EM)

ACDelco$16.114.6★1,2912%▼falling

10

![Gates 36299 Idler Pulley](https://m.media-amazon.com/images/I/51bGevLCPDL.jpg) [**Gates 36299 Idler Pulley**](https://www.amazon.com/dp/B001UCBJM0)

Gates$29.664.7★7832%—flat

11

![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 31170RV0A01](https://m.media-amazon.com/images/I/41NXO7dF+XL.jpg) [**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 31170RV0A01**](https://www.amazon.com/dp/B0CB8J3JQM)

X AUTOHAUX$33.544.5★1382%▼falling

12

![A-Premium Belt Tensioner Assembly with Pulley Compatible with Chevrolet Cruze 2011-2016 Sonic 2012-2019 Trax 2013-2020 Cruze Limited 2016 & Buick Encore 2013-2020 1.4L Petrol Replace# 55565236](https://m.media-amazon.com/images/I/41B4Tt8mRiL.jpg) [**A-Premium Belt Tensioner Assembly with Pulley Compatible with Chevrolet Cruze 2011-2016 Sonic 2012-2019 Trax 2013-2020 Cruze Limited 2016 & Buick Encore 2013-2020 1.4L Petrol Replace# 55565236**](https://www.amazon.com/dp/B08L47P7TV)

A-Premium$31.804.4★4662%—flat

13

![ACDelco Gold 38082 (89056015) Idler Pulley](https://m.media-amazon.com/images/I/41kkGNNl6fL.jpg) [**ACDelco Gold 38082 (89056015) Idler Pulley**](https://www.amazon.com/dp/B000C9PE9G)

ACDelco$27.194.4★3952%▲rising

14

![Kozlira Engine Drive Belt Tensioner Idler Pulley Serpentine Belt Drive Kit Fit for Chrysler 200 Town & Country Dodge Avenger Grand Caravan Journey 3.6L V6 2011-2019 - Replace 90K-39282D](https://m.media-amazon.com/images/I/41P2V+TQGAL.jpg) [**Kozlira Engine Drive Belt Tensioner Idler Pulley Serpentine Belt Drive Kit Fit for Chrysler 200 Town & Country Dodge Avenger Grand Caravan Journey 3.6L V6 2011-2019 - Replace 90K-39282D**](https://www.amazon.com/dp/B0CT56JHX5)

Kozlira$39.594.4★1161%▲rising

15

![Gates 38001 DriveAlign Belt Drive Idler/Tensioner Pulley](https://m.media-amazon.com/images/I/41ETe2nnKGL.jpg) [**Gates 38001 DriveAlign Belt Drive Idler/Tensioner Pulley**](https://www.amazon.com/dp/B000C2SGT8)

Gates$19.244.6★1,0541%▲rising

**~~Showing 15 of 85 — show all ~~**

## **Product shelf**

All 85 tracked products in this niche.

Top sellersNewestTrending

[![ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley Aluminum w/ Black Pulley](https://m.media-amazon.com/images/I/3113aBF4VtL.jpg)**ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley Aluminum w/ Black Pulley** ACDelco**$30.57**4.6★2,557 reviews](https://www.amazon.com/dp/B000C9PFJK) [![Toyota Belt Tensioner - 16620-0S012](https://m.media-amazon.com/images/I/31H7IXLahML.jpg)**Toyota Belt Tensioner - 16620-0S012** Toyota**$87.62**4.9★23 reviews](https://www.amazon.com/dp/B07WLNW6KT) [![ACDelco Gold 38001 (88909582) Idler Pulley](https://m.media-amazon.com/images/I/41fQW8sIgbL.jpg)**ACDelco Gold 38001 (88909582) Idler Pulley** ACDelco**$19.72**4.6★2,499 reviews](https://www.amazon.com/dp/B000C9KQSA) [![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](https://m.media-amazon.com/images/I/41sMFWNwDwL.jpg)**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** A-Premium**$33.41**4.3★595 reviews](https://www.amazon.com/dp/B08L484GN4) [![ACDelco Gold 38159 Drive Belt Tensioner Assembly with Pulley](https://m.media-amazon.com/images/I/41qRwzObAXL.jpg)**ACDelco Gold 38159 Drive Belt Tensioner Assembly with Pulley** ACDelco**$23.45**4.7★1,702 reviews](https://www.amazon.com/dp/B000C9POFK) [![Dorman 419-610 Accessory Drive Belt Tensioner Pulley Compatible with Select Models](https://m.media-amazon.com/images/I/51WMDD+V1SL.jpg)**Dorman 419-610 Accessory Drive Belt Tensioner Pulley Compatible with Select Models** Dorman**$15.79**4.6★1,737 reviews](https://www.amazon.com/dp/B003QVIXYU) [![Dorman 419-5007 Accessory Drive Belt Idler Pulley Compatible with Select Models](https://m.media-amazon.com/images/I/51mRCylt9-L.jpg)**Dorman 419-5007 Accessory Drive Belt Idler Pulley Compatible with Select Models** Dorman**$15.84**4.6★427 reviews](https://www.amazon.com/dp/B01D8VIGKS) [![ACDelco Gold 38103 (88909593) Drive Belt Tensioner Assembly with Pulley](https://m.media-amazon.com/images/I/41nOkwbgpdL.jpg)**ACDelco Gold 38103 (88909593) Drive Belt Tensioner Assembly with Pulley** ACDelco**$38.37**4.6★1,630 reviews](https://www.amazon.com/dp/B000C9PNI8)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**30%

*“Fit like oem”*

**Quality-Overall**20%

*“Better Quality”*

**Value For Money**9%

*“Money well spent”*

**Advertised Vs Actual Product**7%

*“As advertised”*

**Efficiency**7%

*“Effective”*

**Assembly/Installation**6%

*“Easy to install”*

**Ease Of Use**4%

*“Easy to use”*

**Durability**3%

*“it is made from durable material”*

**Noise Level**2%

*“No noise”*

**Friction**2%

*“Quality tensioner”*

### **What buyers complain about **

**Quality-Overall**17%

*“Bad quality”*

**Durability**13%

*“it broke yesterday”*

**Size-Overall**12%

*“Does not fit”*

**Noise Level**10%

*“Little squeaky at first”*

**Compatibility-Overall**4%

*“Not fit to 6.0 chevrolet silverado”*

**Defective Material/Parts**4%

*“part does not fix”*

**Friction**3%

*“The tensioner is total junk”*

**Metal Quality**3%

*“the pulley bolt is low quality steel”*

**Mounting**2%

*“stress cracks threw mounting area”*

**Assembly/Installation**2%

*“Not going to install it”*

#### **Top return reasons**- Size-Overall34% - Compatibility-Overall13% - Defective Material/Parts12% - Advertised Vs Actual Product10% - Assembly/Installation5% - Noise Level5% - Functionality-Overall4% - Value For Money3% - Product Condition2% - Quality-Overall2%