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⚙️ Upgrade your ride with GM Genuine Parts — because your engine deserves the best!
The GM Genuine Parts 12669569 LC9 5.3L Drive Belt Idler Pulley is an OE-engineered, direct-fit replacement designed specifically for GM vehicles. Featuring a sealed ball-bearing for quiet operation, this pulley ensures optimal belt routing to critical engine components. Manufactured and validated by GM engineers, it guarantees durability, safety compliance, and seamless installation, making it the trusted choice for maintaining your vehicle’s performance and reliability.


| Asin | B01MUWZ6AC |
| Best Sellers Rank | #98,148 in Automotive (See Top 100 in Automotive) #43 in Automotive Replacement Idler Pulleys |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.8 4.8 out of 5 stars (385) 4.8 out of 5 stars |
| Date First Available | February 7, 2017 |
| Exterior | Machined |
| Item Model Number | 12669569 |
| Item Weight | 15.8 ounces |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12669569 |
| Model | ACD12669569 |
| Oem Part Number | 12669569 |
| Product Dimensions | 6.5 x 4.3 x 4.3 inches |
User
Worked, fit, no leak!
The part is OEM, eliminated the whine caused by a faulty bearing in the idler, very quick and easy fix.
User
Fame
Great product so far.
User
This will fit a 2006 Chevy Express 2500 4.8L
Amazonconfirmed fit indicates this will not fit a 2006 Chevy Express 2500 4.8L. That is in correct. I just installed this in 2006 Chevy Express 2500 4.8L and it's a perfect fit.GM has consolidated parts that are exactly the same, but originally had different part numbers. Disregard the 5.3L as this will also fit the 4.8L
User
oem gm part
Real oem part. works good
User
Fits perfect
Fits perfect
User
Much quieter!
Thought I had a squeaky belt until I changed the idler pulley.
User
Idler pulley
Idler pulley, easy to replace, looks and sounds great, no issues so far...AC DelcoA little pricey I feel for what it is....approx. $45, could have good with cheaper mfg, but, I figuredI'd stay with AC delco to be safer....
User
Fits like OEM
Perfect fit on my 2007 Avalanche 5.3, much better than the part by a brand that rhymes with Sore-man , which I returned.
User
EXCELENTE.
EXCELENTE CALIDAD. SI ES ORIGINAL.
User
Perfecta refacción
Se colocó en Silverado 2008 5.3 Cab. EXT. EXCELENTE producto sin problema para instalar 5 minutos
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