Best Acdelco Idler Pulleys in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Bearing is designed for application specific speed and load requirements
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Helps repair noisy idler pulley bearing
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
GM regularly updates production and service part designs to integrate new materials and technologies
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Helps keep the drive belt properly aligned and routed.Material:steel
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Helps keep the drive belt properly aligned and routed
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Designed to repair noisy accessory belt idler pulley caused by worn bearings
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
GM regularly updates production and service part designs to integrate new materials and technologies
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Designed to repair noisy accessory belt idler pulley caused by worn bearings
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
GM regularly updates production and service part designs to integrate new materials and technologies
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
This Dayco 89177 Accessory Drive Belt Idler Pulley replaces Duralast 231177, Gates 36415, ACDelco 36415, CARQUEST 36415, NAPA 36415, Mitsubishi MD327654, Mitsubishi MD368209, Mitsubishi MD374877, OEM
REDUCE VIBRATIONS: If you are looking for a quality replacement for your worn serpentine or V-belt idler and tensioner pulleys, turn to Dayco. Constructed from spun steel or wear-resistant plastic with specially formulated glass-filled polymers, these pulleys feature smoother surfaces and tighter dimensional tolerances to reduce vibration and therefore prolong belt life. Lubricated bearings and high temperature seals assure peak performance, the most critical element of a pulleys service life
EXTEND SERVICE LIFE: Developed and designed using state-of-the-art three dimensional computer aided design (CAD) and finite element analysis (FEA) to ensure the optimal design and maximum structural integrity. Built to last, the Idler Pulley has superior resistance to dirt, salt, chemicals, and other under-the-hood contaminants
RELY ON QUALITY AUTO PARTS: Dayco's essential engine parts and drive system solutions offer engine economy, efficiency, and exceptional performance while minimizing noise, vibration, and harshness. They strive to be first-to-market with built-to-last products such as high-quality engine timing belts, serpentine belts, drive belts, belt tensioners, and more
TRUST IN DAYCO: Dayco is a global leader in the automotive parts manufacturing industry and has built a reputation for high-quality Dayco belts since 1905. The supplier is guided by their primary business strategy to anticipate and satisfy the needs of their customers through reliable products and services
Fit type: Vehicle Specific
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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 expectations for fit, form, and function
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Acdelco | 7 |
| Gm | 3 |
| Dayco | 1 |
We've carried out a comprehensive analysis of 3,900 reviews on idler pulleys, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select idler pulleys priced around $28.48, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 11 idler pulleys for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right pulleys Products based on their needs, saving them considerable time when choosing which idler pulleys to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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