Gmpartsdirect.com vs. rock auto
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Gmpartsdirect.com vs. rock auto
Does anyone know if there is a difference between the parts on gmpartsdirect.com and the oem ac delco parts sold on rock auto ie the parts listed on rock auto as oem direct replacement parts (not any other brands). Thanks.
Last edited by Chillo32; Nov 25, 2019 at 05:55 PM.
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Thanks. Yeah. I tend to avoid amazon for major parts. Smaller things it ok.
it’s interesting, some parts from gm direct come either in a gm box (even though it’s still an ac delco part) or have a gm sticker on it. Rock auto obviously doesn’t have the gm tag on it. But the parts appear to be identical. I’m just wondering if there is any difference or the than price and other than the addition of the gm tag ie what if anything the gm tag gets you. Could be nothing. Could be better quality control, inspection etc.
it’s interesting, some parts from gm direct come either in a gm box (even though it’s still an ac delco part) or have a gm sticker on it. Rock auto obviously doesn’t have the gm tag on it. But the parts appear to be identical. I’m just wondering if there is any difference or the than price and other than the addition of the gm tag ie what if anything the gm tag gets you. Could be nothing. Could be better quality control, inspection etc.
Racer
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Rock Auto is a stand alone auto parts business, with an inventory acquired from wholesalers, jobbers, manufacturers, and dealers. GMPartsDirect.com is a coalition of GM Dealers who sell their GM parts on-line, cooperatively, directly to retail customers.
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Ac Delco isn’t GM. It’s a brand name.
Some Delco parts are what GM uses and you’ll see GM stickers on a Delco box with the same part number.
Other times the GM part number is different than Delco’s. That’s a part made by a different supplier, and Delco made its own version that isn’t actually GM, and you’ll see different part numbers.
GM partsdirect is official GM parts, whether they be Delco as the supplier or another.
Some Delco parts are what GM uses and you’ll see GM stickers on a Delco box with the same part number.
Other times the GM part number is different than Delco’s. That’s a part made by a different supplier, and Delco made its own version that isn’t actually GM, and you’ll see different part numbers.
GM partsdirect is official GM parts, whether they be Delco as the supplier or another.
Melting Slicks
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In my experience there is no "substantive" difference. I've bought parts (especially trim parts) for my Chevy truck from RockAuto that were a perfect match for the GM part. Ditto with the C5. You will see alternative vendors (other than Delco) on RockAuto, but they will show an OEM part as well. For example, when I wanted a new oil pressure sensor, they listed 3 or 4 different manufacturers.
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Here's an example of what I'm asking. This is an idler pulley purchased from gmpartsdirect. Obviously gm doesn't manufacture pulleys. They are ac delco pulleys. Also, obviously If you purchase this pulley from rockauto it won't come in a gm box. But it will be exactly the same part at least visually. Thus, my original question. What is the difference?
Last edited by Chillo32; Nov 25, 2019 at 04:51 PM.
Drifting
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If I understand your question (and I'm not sure I do, btw), when you order from GMPartsDirect, you will always get the correct OEM replacement part (of course, provided you select the right part for your application & it's still available).
RockAuto has equivalent replacement parts, but I would suspect anything other than the OEM replacement will be anywhere from junk to good enough.
RockAuto has equivalent replacement parts, but I would suspect anything other than the OEM replacement will be anywhere from junk to good enough.
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Racer
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Pardon me for having responded. Okay. Well, I'd guess that pretty much each part is different in quality since each manufacturer is different. Why would you think there is a difference? Do you have substantive evidence that parts from any one source are the same as any other source?
Last edited by OregonDan; Nov 25, 2019 at 07:02 PM.
Racer
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Here's an example of what I'm asking. This is an idler pulley purchased from gmpartsdirect. Obviously gm doesn't manufacture pulleys. They are ac delco pulleys. Also, obviously If you purchase this pulley from rockauto it won't come in a gm box. But it will be exactly the same part at least visually. Thus, my original question. What is the difference?
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Pardon my for having responded. Okay. Well, I'd guess that pretty much each part is different in quality since each manufacturer is different. Why would you think there is a difference? Do you have substantive evidence that parts from any one source are the same as any other source?
Drifting
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