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Genuine original equipment part (OEM) that was factory installed on your vehicle by the manufacturer.
Wear and Tear
This item is backed by a warranty against defects in materials and workmanship under its intended use. The warranty does not cover normal wear and tear. Please keep your invoice for proof of this warranty.
This part fits 42 vehicles spanning 1999-2008.
| Year | Make | Model | Description |
|---|---|---|---|
| 2002-2008 | Cadillac | Escalade | Cadillac Escalade Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2003-2008 | Cadillac | Escalade ESV | Cadillac Escalade ESV Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2004-2008 | Cadillac | Escalade EXT | Cadillac Escalade EXT Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007-2008 | Chevrolet | Avalanche | Chevrolet Avalanche Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Chevrolet Avalanche 1500 Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2008 | Chevrolet | Silverado 1500 | Chevrolet Silverado 1500 V8 4.8L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2008 | Chevrolet | Silverado 1500 | Chevrolet Silverado 1500 V8 5.3L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2008 | Chevrolet | Silverado 1500 | Chevrolet Silverado 1500 V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | Chevrolet | Silverado 1500 Classic | Chevrolet Silverado 1500 Classic V8 5.3L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | Chevrolet | Silverado 1500 Classic | Chevrolet Silverado 1500 Classic V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | Chevrolet | Silverado 1500 Classic | Chevrolet Silverado 1500 Classic V8 4.8L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2001-2003 | Chevrolet | Silverado 1500 HD | Chevrolet Silverado 1500 HD Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2005-2006 | Chevrolet | Silverado 1500 HD | Chevrolet Silverado 1500 HD Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | Chevrolet | Silverado 1500 HD Classic | Chevrolet Silverado 1500 HD Classic Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2004 | Chevrolet | Silverado 2500 | Chevrolet Silverado 2500 Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2001-2008 | Chevrolet | Silverado 2500 HD | Chevrolet Silverado 2500 HD V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Chevrolet Silverado 2500 HD Classic V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2001-2006 | Chevrolet | Silverado 3500 | Chevrolet Silverado 3500 V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | Chevrolet | Silverado 3500 Classic | Chevrolet Silverado 3500 Classic V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007-2008 | Chevrolet | Silverado 3500 HD | Chevrolet Silverado 3500 HD V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2000-2008 | Chevrolet | Suburban 1500 | Chevrolet Suburban 1500 Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2000-2008 | Chevrolet | Suburban 2500 | Chevrolet Suburban 2500 V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2000-2008 | Chevrolet | Tahoe | Chevrolet Tahoe Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2008 | GMC | Sierra 1500 | GMC Sierra 1500 V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2008 | GMC | Sierra 1500 | GMC Sierra 1500 V8 4.8L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2008 | GMC | Sierra 1500 | GMC Sierra 1500 V8 5.3L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | GMC | Sierra 1500 Classic | GMC Sierra 1500 Classic V8 4.8L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | GMC | Sierra 1500 Classic | GMC Sierra 1500 Classic V8 5.3L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | GMC | Sierra 1500 Classic | GMC Sierra 1500 Classic V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2001-2003 | GMC | Sierra 1500 HD | GMC Sierra 1500 HD Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2005-2006 | GMC | Sierra 1500 HD | GMC Sierra 1500 HD Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | GMC | Sierra 1500 HD Classic | GMC Sierra 1500 HD Classic Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 1999-2004 | GMC | Sierra 2500 | GMC Sierra 2500 Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2001-2008 | GMC | Sierra 2500 HD | GMC Sierra 2500 HD V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | GMC | Sierra 2500 HD Classic | GMC Sierra 2500 HD Classic V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2001-2006 | GMC | Sierra 3500 | GMC Sierra 3500 V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007 | GMC | Sierra 3500 Classic | GMC Sierra 3500 Classic V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2007-2008 | GMC | Sierra 3500 HD | GMC Sierra 3500 HD V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2000-2008 | GMC | Yukon | GMC Yukon Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2000-2008 | GMC | Yukon XL 1500 | GMC Yukon XL 1500 Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2000-2008 | GMC | Yukon XL 2500 | GMC Yukon XL 2500 V8 6.0L Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| 2003-2008 | Hummer | H2 | Hummer H2 Air Conditioning Compressor Serpentine Belt General Motors OEM 12576447 |
| Brand Label | Part Number |
|---|---|
| General Motors | 12576447 |
This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
1 Year Warranty
This item is backed by our 1-year warranty. In the event this item should fail during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
Wear and Tear
This item is backed by a warranty against defects in materials and workmanship under its intended use. The warranty does not cover normal wear and tear. Please keep your invoice for proof of this warranty.
FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories. Shipping is not available to Canada.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses. Final shipping costs are available at checkout.
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Tools used
Hi, I'm Mike from 1AAuto. We've been selling auto parts for over 30 years! We're dedicated to delivering quality auto parts, expert customer service, and fast and free shipping, all backed by our 100% satisfaction guarantee. So visit us at 1AAuto.com, your trusted source for quality auto parts.
In this video we're going to be working with our 2002 Chevy Suburban 5.3-liter V8. We're going to show you how to remove and replace your vehicles serpentine belt, this is the forward one not the rearward one that works your AC.
If you like this video, please click subscribe. We have a ton more information on this and many other vehicles and if you ever need parts for your vehicle you can follow the link down in the description over to 1AAuto.com.
Here's the items you'll need for this repair: flat blade screwdriver, 15mm wrench, 15mm socket, ratchet, socket extension
Loosen the hose clamp just after the mass air flow sensor. This is going to be the second one back from your air box. We'll do this using a flat blade screwdriver. Wiggle and twist the boot to release it from the mass air flow sensor. You may need to use your screwdriver to help peel it back here. These tend to get stuck on pretty good. We'll also remove the one at the throttle body. We'll need to disconnect the hoses from their clamps here. You can either try prying it out there, or there's also a little clamp at the bottom here that you should be able to compress, pop loose with a flat blade, and remove the intake runner from the vehicle.
We've removed some things like the radiator fan and the fan shroud to make it easier to show you what's going on, but you shouldn't need to do this if you're doing this job at home. Before removing your serpentine belt, make sure your vehicle has a belt path diagram under the hood somewhere. If this is missing or faded, you can just draw another one onto the plastic with something like a paint marker. Using a 15mm wrench on the tensioner, rotate the nut clockwise to slack the belt. Pop the belt off of whatever pulley is easiest for you to reach. Let the tension off the pulley and remove your serpentine belt.
Install the belt over the front grooves of the harmonic balancer or crank pulley. Bringing the right side over top of the pulley. We'll then go over top of the water pump and loop under the power steering pump, over the alternator, under the idler pulley. I'll keep this piece in my hand. Make sure that everything is seated because this one's kind of tight and you're going to want the room. Using my 15mm wrench, we'll take the tension off of the tensioner pulley, slide the belt over, double-check that our path is right, all of the belt is properly seated, and then let the tension back on.
Reinstall the intake tubing. It's easiest to set it onto the throttle body. Reengage the hoses into their clips and then get the boot over the air box. Then tighten down both clamps with a flat blade screwdriver.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
Tools used
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video I'm going to show you how to replace a serpentine belt. This 2005 Chevy Silverado has the 4.3 Liter V6 so this procedure is the same for any Silverado or Sierra that has the 4.3 Liter V6 from 1999 through 2007.
The serpentine belt is pretty easy. First, make sure you find your belt diagram. This is the 4.3 Liter V6 so there's the diagram and it matches up with what's in the engine compartment. Removing the belt is pretty easy. Put a 3/8 inch drive ratchet right in here. Pull on that. See that loosens the belt. Move it from the idler pulley up top. Release that slowly. Then you pull your belt right off.
To put the belt on, you want to follow the pattern. You can't really see this but I'm going to go down around the crank pulley first, then I bring this up and around the water pump here. Then it goes from the water pump down to the power steering pulley here, up to the A/C pulley, across the tensioner and the alternator. I'm just going to reach down and make sure everything is pretty much on the way it should be. Now, you can press down when you see the belt starts to tighten up as you try and press it on to the idler here. Then we take our wrench, put it in, press down. That gives us the slack to put the belt right in here. Then just check. Make sure it's on all the pulleys correctly. It's in the grooves. It's actually not quite on there correctly, so pull it off here. Okay, the new belt is on.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
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Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Don from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you have to replace the serpentine belt on this 2002 Chevy Suburban with the 5.3 liter V8 engine and the 130 amp alternator. The items you'll need for this are a new serpentine belt from 1AAuto.com, a 10 and 15mm socket and ratchet and a flat blade screwdriver.
Start off by loosening these two hose clamps, using a flat blade screwdriver. We'll just fast forward as Don does this. Now, just pry this clip out and then pull the hose back. You may need a flat blade screwdriver to help you pry it free. Then, pull forward and lift it up and out.
Next, remove these two 10 millimeter bolts. We'll fast forward as Don does that. Then, pry the clip on this hose out of the fan shroud. Then, remove these four clips around your shroud. To remove these clips, you just pry up the center and then pull the clip out. We will fast forward as Don does this to the other three. Now, just pull that hose back and lift the shroud straight up and out.
Right here is your tensioner. Just put the 15 millimeter socket and ratchet on it and push down on the ratchet. This will release the tension on the belt and you can pull the belt from the pulleys. You want to just reach down and pull it off all the pulleys and the belt will be free and you can just pull it up and out.
Now, located on the front of your truck, you will see this serpentine belt diagram. You want to follow this when you're putting your belt back on. Really, it's hard to show us doing it. So, you're going to have to refer to that but it's pretty simple to follow. Everything is where it needs to be. You can see he starts with the lower pulleys. He just starts feeding the belt down around each of them, following that diagram. We'll fast forward as he does the majority of this. Once you've got it on all but one pulley, push back down on the tensioner and double check. Make sure your belt's on all the pulleys properly and not just half on some of them. Then just get it in to position and then carefully release the tension on the tensioner and pull the ratchet free.
Now to replace the shroud, just push it back down in to place and then replace those four clips. Just push them back down in to place and push the center down to lock them. Push the hose back in to place and then replace those two 10 millimeter bolts.
Take the air intake hose and push it back down in to place on to the air intake box and then on to the engine. Then just tighten up those two hose clamps and just re-clip that hose to the air intake hose and you're all set.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
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Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years!
What's up, guys? I'm Andy from 1A Auto. Today I'm gonna show you how to remove and reinstall the serpentine belt on this 2008 Chevy Silverado with a 4.3L V-6 engine. If you need parts for your vehicle, click the link in the description and head over to 1aauto.com.
One thing you want to keep in mind, when you're doing a serpentine belt is which routing the belt is. Before you take it off, it's a good idea to take a picture with your phone. If you don't have any reference of the belt, sometimes there's a key on the vehicle itself. This vehicle does not have it.
We will take this serpentine belt tool, we actually sell this at 1aauto.com. Slide the tool into the tensioner, right here. And then there's a hose over here that's kind of in your way a little, so pull up on the tensioner. Just going to hold this. Make sure you don't have anything in the path of this. You don't want to slip and let go of this and have it hit you in the face or anything.
So, we'll pull up on this. We're going to pull the belt off of this idler, right here. We will pull it off the alternator. Pull it off the tensioner. Pull it off the crank, the water pump, the power steering pulley, and then off the AC compressor. Then I'll slide this belt over the tool and pull it out. There's the belt.
A good thing to practice when you're doing this is to take the new belt and line it up with the old belt, and make sure they're the same length. We don't have a new belt, so we're just going to reuse the old one.
All right, we're going to remove this tool before we put the belt on. It'll just make it easier to maneuver the belt around to position. So, first we're gonna install the belt on the crank pulley. Slide it over the water pump, and over on the power steering pulley, up around the AC compressor, and over the water pump. We're going to skip the idler, for now, 'cause we'll put that on last. Over to the tensioner.
So now that those are all lined up, I can take the belt tool, slide this in position, and put some tension on the belt. Slide this up, and slide it under the idler pulley. Remove the tool. Then check all the pulleys, and make sure the belt is in position and hasn't jumped off any of the teeth. And that looks pretty good.
Then we can just start it real quick and then shut it off, and just make sure everything is still in position.
Thanks for watching. Visit us at 1aauto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
This belt was wayyy too small for my 2005 Chevy pickup, wasnt even close & never was told they was out of stock for the one I needed. 1A Auto got it wrong on this one, but hope their expectations doesnt dip again.
