In my personal experience (99 suburban 6.2l 383) AC Delco spark plugs are the way to go
Pros: good personal experience
Vehicle:
Chevrolet Suburban
Reviews of AC DELCO parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
3.5
Manufacturer Ranking
#141
191
Spare Parts
28
Country
USA
Website
acdelco.com
Spare Parts
Comparisons
I have ACDelcos in my 2010.
I've changed them twice over the 120k or so that I've had the car and I didn't pay attention to what was in it when I bought it, but the person who owned the car before me had a receipt from Advance.
Mileage: 120000 km
Denso, Bosch, and ACDelco are all OE parts suppliers for various car manufacturers and remans can be found for under $200 online even including the core charge which you'll get back when you send the old starter in.
Pros: remanufactured parts available
New Denso wires (these were the OEMs, cheaper to not pay ac delco mark up) and AC-Delco 41-962 plugs.
Pros: cheaper than AC Delco
Part number: 41-962
AC Delco/NGK.
IMHO, this is one of the times where the OEM stuff might be the best way to go, especially if your engine is otherwise stock. It's really common to see these trucks get well over 150,000 out of the original plugs and wires. They're kind of expensive but they just last so long it's worth it.
Pros: long lasting, OEM quality
Cons: kind of expensive
Mileage: 150000 km
Been recently thinking that 100 packs of ACDelco for AA and AAA are the best value per watt usage
Pros: best value per watt
Cons: doesn't last longest
I put ac delco gold pads and rotors on my 13 and am very pleased with them, good quality.
Pros: good quality
On rock auto I see new alternators from ac delco. Not sure about any of those brands.
Vehicle:
Infiniti
My 6.0 never ran right unless I used AC Delco. And specifically whatever the current equivalent part number is to what the manual says.
Cons: engine run rough
For oil filters I feel like the ACDelco filters are pretty low quality and there are many better options. Mobil and K&N oil filters are available at Walmart for $10-15, made in USA, and seem to be much better quality.
Pros: better quality
Cons: low quality
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