ACDelco Gold 4K355SF Stretch Fit V-Ribbed Serpentine Belt

Appears to be a factory piece I'm sure it will go on as instructed and I have high expectations for it so I havent installed it yet I will update if there are any issues

I didn't use an install tool. I just used a socket to turn the engine over to get this stretch-fit belt to stretch and fit. The professional belts are are thicker and last longer. I've only had great experiences with them. One thing: you may find that the partnumber for this belt is different from the one installed. Make sure to cross reference to verify before you install, especially since its stretch-fit.

If your new to stretch belts... they are a ________ to install. I didn't opt of the install tool as I couldn't imagine it doing the job on my 6.2L. I did the zip tie technique, rotating the crank, while using a flat head to keep belt aligned on A/C compressor. That being said. If the industry is really pushing to use these and get rid of idlers and tensioners, I'd buy the install tool. Hope it lasts 100k.

Works on 2011 Tahoe LT 5.3L.Use a large ziptie around crank pulley to hold it on, then slowly turn crank pulley with breaker bar until the belt fully seats.

Great belt, make sure you own the install tool or rent from local parts house.

Much better than a standard belt. Fleet runner belts are top of the line.

Can’t go wrong with ac delco. Good all around purchase.

Great quality, perfect fit. Replaced on my 2010 Chevy Suburban after original started squealing. Squeal stopped with the new belt.

Perfect replacement for my '09 Escalade. Must remove serpentine belt to install (easy) and can be installed using the zip tie method as seen on YouTube however takes a good deal of strength and leverage to install using this method.