Best Gm Automotive Replacement Belt Tensioners in 2026

Daisy
Last Updated: Jul 20, 2026

At a Glance: Our Top Picks for Gm Automotive Replacement Belt Tensioners

ACDelco Gold 38158 Drive Belt Tensioner Assembly with Pulley
#TOP1
Acdelco Gold 38158 Drive Belt Tensioner Assembly With
9.8
PM SCORE
ACDelco Gold 38103 Drive Belt Tensioner Assembly with Pulley
#TOP2
Acdelco Gold 38103 Drive Belt Tensioner Assembly With
9.8
PM SCORE
ACDelco GM Original Equipment PF48 Oil Filter
#TOP3
Acdelco Gm Original Equipment Pf48 Oil Filter
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Gm Automotive Replacement Belt Tensioners of 2026

Market Overview
Gm Automotive Replacement Belt Tensioners Reviewed
  • Reviews Analyzed: 5843 Items
  • PM Avg. Rating: 6.9 / 10
20 Products Evaluated
  • Highest Price: $201.78
  • Lowest Price: $4.12
  • Avg. Price: $71.82

Acdelco Gold 38158 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38158
8.80 X 4.80 X 3.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 38103 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38103
8.80 X 4.80 X 3.60 Inches
1.52 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gm Original Equipment Pf48 Oil Filter

ACDELCO
12710960
3.30 X 3.20 X 3.10 Inches
0.49 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Helps keep abrasive particles away from bearings and other engine hydraulic components

Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional

ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

GM regularly updates production and service part designs to integrate new materials and technologies

Gm Genuine Parts 12609719 Drive Belt Tensioner

GM
12609719
6.50 X 4.25 X 4.25 Inches
1.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Helps keep drive belt at correct tension to help maintain proper function

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

GM regularly updates production and service part designs to integrate new materials and technologies

Acdelco Gold Ack040378Hd Serpentine Drive Belt Tensioner Kit

ACDELCO
ACK040378HD
7.00 X 11.00 X 7.00 Inches
1.34 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Gm Genuine Parts 12663047 Drive Belt Tensioner

GM
12663047
8.00 X 11.00 X 5.00 Inches
5.14 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Helps keep drive belt at correct tension to help maintain proper function

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

GM regularly updates production and service part designs to integrate new materials and technologies

Acdelco Gold 38278 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38278
6.30 X 6.30 X 4.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Manufactured to meet or exceed strict quality requirements

#TOP8

Gm Genuine Parts 12605175 Drive Belt Tensioner

GENERAL MOTORS
12605175
8.70 X 4.80 X 3.00 Inches
1.52 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Helps keep drive belt at correct tension to help maintain proper function

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

GM regularly updates production and service part designs to integrate new materials and technologies

Acdelco Gold 39112 Drive Belt Tensioner Assembly With Pulley

ACDELCO
39112
6.30 X 6.30 X 4.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Gm Genuine Parts 25191534 Drive Belt Tensioner

GENERAL MOTORS
25191534
6.90 X 6.78 X 4.90 Inches
1.95 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WELNESS LLC 8.23

Features

Spring-loaded pulley designed to draw tension on the serpentine belt in your vehicle

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Gm Genuine Parts 12563084 Drive Belt Tensioner

GM
12563084
11.25 X 4.75 X 4.75 Inches
2.06 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Helps keep drive belt at correct tension to help maintain proper function

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

GM regularly updates production and service part designs to integrate new materials and technologies

Acdelco Gold 39084 Drive Belt Tensioner Assembly With Pulley

ACDELCO
39084
6.00 X 6.00 X 5.00 Inches
2.45 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 38115 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38115
8.80 X 4.80 X 3.60 Inches
1.90 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 38174 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38174
8.80 X 4.80 X 3.60 inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 38179 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38179
8.80 X 4.80 X 3.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 39074 Drive Belt Tensioner Assembly With Pulley

ACDELCO
39074
6.30 X 6.30 X 4.60 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 39191 Drive Belt Tensioner Assembly With Pulley

ACDELCO
39191
6.20 X 6.20 X 4.50 Inches
1.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 38184 Drive Belt Tensioner Assembly With Pulley

ACDELCO
38184
8.80 X 4.80 X 3.60 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.71

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 39370 Drive Belt Tensioner Assembly With Pulley

ACDELCO
39370
6.20 X 6.20 X 4.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Acdelco Gold 39351 Drive Belt Tensioner Assembly With Pulley

ACDELCO
39351
6.00 X 6.00 X 5.00 Inches
1.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shark Motorsports 6.05

Features

Designed to keep drive belt at proper tension

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

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

Top 10 automotive replacement belt tensioners Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Acdelco 15
Gm 3
General Motors 2

Top 10 automotive replacement belt tensioners Brands Pie Chart


We've carried out a comprehensive analysis of 5,843 reviews on automotive replacement belt tensioners, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select automotive replacement belt tensioners priced around $71.82, with top brands including goodyear, dorman, uro parts, a-premium, gates, continental, eccpp, acdelco and doiplent and dayco

Our team of expert editors reviewed these high-quality items and handpicked the top 20 automotive replacement belt tensioners for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include amazon.com, premiumpartswhosale, qinchye, doiplent diy, loot2016, scitoo auto, brtec autoparts and tykick and befenybay .

We are dedicated to assisting our users in finding the right tensioners Products based on their needs, saving them considerable time when choosing which automotive replacement belt tensioners to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.