Best Car Idler Pulleys of 2026

"The installation was a breeze and the pulley fit my vehicle perfectly without any need for adjustments. The bearing runs quietly and my previous squeaking issue has disappeared. I can tell this is a solid, well-built part that should last for years, and after a few hundred miles, the belt is tracking perfectly. I trust ACDelco for OEM-level reliability and would definitely recommend this as a dependable replacement."

"I bought this for my 1999 Chevy S10 and was happy to find it was a true OEM part that installed in just five minutes. It worked flawlessly and cost much less than what my local stores offered. A tip for other buyers: you might see a keeper washer on your old pulley—just remove and discard it if needed. The Amazon fit guide really helped me get the right part delivered fast."

"The fit was perfect on my 1995 Chevy G20 5.7L with AC. I've paired it with a new belt and tensioner and haven't had any problems so far. The quality feels good and it's been running smoothly."

"I installed this pulley on my 2005 Liberty Sport 3.7L and it fit perfectly, even though my vehicle often needs parts listed for the 2006 model. The build quality feels solid, and it's just as good as my old one before it failed. If I need a replacement again, I'll get this one."

"With this idler pulley, my '05 Silverado 2500HD 6.0L now runs much quieter. Installation was straightforward and it solved the noise issue right away."

"Bought this for preventative maintenance alongside a new belt. I've had one of these fail before and it cost me a lot in other repairs. ACDelco parts are reliable, so I'm happy with this purchase and trust it to last."

"I needed a replacement for my idler pulley bearings, and this part was delivered fast. It fit my 1999 Silverado perfectly, was easy to install, and completely eliminated the squealing noise."

"I've used these pulleys on several trucks over the years. They're durable, easy to install, and have never needed replacement even after many miles."

"I installed this on my Chevy Express and after lots of miles, it's still performing perfectly."

"I installed this on my 2008 Yukon Denali and it was a direct OEM replacement. The installation went smoothly with basic tools, and the quality matches the original part. My only minor issue was the incorrect dimensions listed online, but the pulley itself fit perfectly and works as expected."

"This part was an excellent fit for my 2012 5.3L Tahoe, even though Amazon said otherwise. It's the right size and clearly made for 5.3L engines. I'm happy with the purchase and how well it matches OEM standards."

"I used this idler pulley for my 2010 Silverado 5.3 V8 and it fit absolutely perfectly. The price was great, and it feels very durable. The install was straightforward, and I had no issues getting it in place."

"I installed this on my 2008 Ford F150 and it fit perfectly. The installation was a breeze, especially if you're already comfortable with basic car maintenance like oil changes or brake pads. The part is solid, works quietly, and I recommend getting two since if one fails, the other might not be far behind."

"This idler pulley turned out to be an exact replacement for my 2008 Avalanche. I'm glad I took a chance on it, as it was a direct fit and solved my problem right away."

"The pulley looks great and operates smoothly, but I wish it came with new washers and mounting hardware. My old ones were still usable, so I managed, but it would’ve been nice to have them included."

"I replaced the idler pulley on my 2003 4Runner with the 4.7L V8 2UZ-FE and it worked perfectly. The installation took about 15 minutes, and that annoying squeak is now completely gone. All I needed was a 13mm wrench and ratchet—super straightforward job!"

"I installed this pulley on my 2007 Ford Explorer 4.6L after noticing a squeal. The part seems to be of good quality and so far, after driving 20-30 miles, it’s working great. For the price, it’s hard to beat, and I've had good experiences with Dorman on my old Fords."

"I use this as the upper idler pulley on my 2005-2012 5.4L V8 Ford F150s. It’s a direct fit, easy to change, and the quality matches OEM specs. Dorman really gets it right for these trucks."

"I used this to replace a noisy bearing on my 2009 RAV4, 4-cylinder serpentine belt tensioner. It was an exact fit, which was great since I usually only find the entire tensioner assembly, not just the pulley. Really happy I found this on a Black Friday deal."

"For my Ford Escape 2008 XLT 2.3L, this pulley looked just like the original and was easy to install. The quality seems solid too."

"I put this on my 2010 Ram 1500 5.7L and it completely got rid of the whining noise I had before. Works perfectly so far!"

"I installed this Genuine GM idler pulley on my 2025 GMC Sierra, and it was a perfect fit. The installation was simple, and now the annoying whining sound is gone."

"This is the exact OEM part that came with a bolt. I always trust original equipment—it’s what the engineers intended and worth the investment."

"The part had a good fit and seems to be an updated version. I’m hoping it will help my belt last longer."

"I'm impressed by the perfect fit and how quietly it runs. The price was very reasonable, and installation was a breeze. I'd definitely recommend this to others looking for a quality replacement."

"This part fit my 5.2 liter Dodge Ram without any trouble. It's smooth, silent, and seems well-made. Installation was straightforward, and I feel it was a great value."

"The quality is good, and it was easy to assemble without any noise. The lifespan and accuracy seem promising so far."

"I installed two of these pulleys on my 2003 Dodge Ram 2500 5.7L and both the upper and lower pulleys fit perfectly. The new pulleys are slightly narrower but that doesn't matter—the belt sits perfectly. Just remember to remove the included metal spacer for proper installation. For the price, these are an excellent value and quality, and I highly recommend the Dorman line for anyone needing reliable aftermarket parts."

"This pulley was a perfect replacement for the idler pulley on my 08 Ford Fusion 2.3L. I reused the original washer and cylinder for the best fit. After installation, my car is noticeably quieter, and the process was pretty straightforward. I recommend using a mechanic’s stethoscope to pinpoint noises—it's a cheap tool that can save a lot of time and unnecessary part replacements."

"I used this pulley as a replacement tensioner and idler pulley on my '97 Thunderbird. It fit great, installed easily, and completely fixed the squeak I was hearing. The only minor thing is there's a bit of excess grease in the bearings, but after about 50 miles, just wipe it off and you're good to go. I’d definitely buy it again for future repairs."