⚙️ Ignite Your Drive with Confidence!
The AC Delco MR43T Spark Plug comes in a convenient pack of 8, designed for high performance and durability. Perfect for both professional mechanics and DIY enthusiasts, these spark plugs ensure reliable ignition and optimal engine performance.
S**T
Horrible
I never leave reviews BUT since I was 5 miles out to see with the kids when these failed I will. After 6 Months of light use in a brand new engine these plugs came apart. i have been a ASE master tech for 35 years. Either these are counterfeit a/c delco or the Chinese who i understand make these now are garbage. there could have been a boat fire and dead kids involved. not cool guys.
S**G
Marine plug check closely for fitment
I bought these and after checking (reading the add too fast) I found the did not fit my boat. They are MR43T I needed MR43LST because of time requirement I bought local but will revisit Amazon the next time I need plugs. Oh ya make sure you check gap on plugs.
Y**Z
So how they work in long run
I have to regap them to 035 for my mercruiser alpha one engine they were almost @ 40. Price qas on point.
R**
Fast shipping
Good part
N**.
They worked
Needed new plugs for 4.3 mercruiser and these are them
J**A
never champion
Always used ac delco plugs, never champion. I always had a fouling problem with any champion plug I bought, never with ac delco.
A**D
I Trust ACDelco...
ACDelco comes through again !!!I trust only ACDelco on my GM trucks.
B**G
Not 8 in a pack
Product was not as described, there were only 4 in the box not 8
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