Get the afm tuned out. And use ONLY full synthetic oil and a ac Delco filter. Mine has 232,000 and has been super reliable and still runs like new
Pros: super reliable, runs like new
Mileage: 232000 km
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
I bought some AC Delco coils (just coils) for about $120 over a year ago (January 2025) on eBay, and my '07 Chevy has been fine so far.
Pros: Chevy has been fine
Vehicle:
Chevrolet
7 Qts. Mobil-1 5W-30 Standard Full Synthetic, 500 mL bottle Rislone Engine Treatment, ACDelco PF61E. That's what I've used for all of my oil changes I've done on my 2008 and I've had absolutely no problems.
Pros: no problems
Part number: PF61E
Believe it or not I got the Genuine AC Delco iridiums from Home Depot for $3 a plug.
Pros: cheap, genuine
OEM AC Delco
170 for an ac delco (solid brand) battery with no charge there to replace.
Pros: solid brand
Switched between fram and ac delco. Sticking to ac delco due to a tsb. Oil pressure issues.
Pros: Sticking to ac delco
Cons: Oil pressure issues
Vehicle:
Chevrolet Malibu
Mileage: 168000 km
Acdelco gold/professional line has greaseable. Acdelco is My go to. Moog is junk and doesn’t honor their warranty.
Pros: greaseable, go to
Cons: Moog is junk
Part number: 45D0103
Its a total crapshoot anymore. I had an ac delco gold series last maybe 800 miles before it almost caught fire. Yet in the past I've had em last years and 100k+...
Pros: lasted years, 100k+ miles
Cons: almost caught fire, 800 miles
Mileage: 128747 km
Problem solved: I got a internally bad ac delco spark plug. Gap and everything was correct no cracks I could see literally just a bad plug.
Pros: problem solved
Cons: bad plug
Vehicle:
Chevrolet Corvette
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Owner reviews of AC DELCO products
The AC DELCO brand is registered in USA. Official website: http://www.acdelco.com/ .
In March 2026, PartReview recorded 191 review across 28 parts by AC DELCO. Average rating — 3.5 out of 5.
AC DELCO is in the PartReview manufacturers ranking, currently at position 141. Over the last 30 days it dropped by 65 points.
Popular AC DELCO parts
The most popular AC DELCO products on PartReview:
- Spark plug AC DELCO - 44 reviews. PR Score — 68, average rating — 3.6.
- Alternator AC DELCO - 32 reviews. PR Score — 72, average rating — 3.5.
- Battery AC DELCO - 28 reviews. PR Score — 75, average rating — 3.8.
- Oil filter AC DELCO - 23 reviews. PR Score — 62, average rating — 3.5.
- Starter motor AC DELCO - 12 reviews. PR Score — 83, average rating — 4.2.
Most owner reviews about AC DELCO parts are collected on these pages.
Top-rated AC DELCO parts
AC DELCO achieved top positions in these PartReview part rankings:
- Best alternator — ranked 5 among 18 manufacturers. Received 2584 votes.
- Best starter motor — ranked 6 among 10 manufacturers. Received 1019 votes.
- Best spark plug — ranked 7 among 17 manufacturers. Received 5196 votes.
- Best battery — ranked 13 among 28 manufacturers. Received 4410 votes.
Comparisons of AC DELCO parts
The most interesting comparisons of AC DELCO with other manufacturers help you see which is better: