Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The ACDelco 41-110 is the factory iridium spark plug for many GM V8 engines, including the 2015-2019 Chevrolet Silverado and 2015-2020 Express 2500. It is the exact OE part, so fit and heat range match what the engine was built around. Iridium tips resist wear far longer than copper plugs, so it is a fit-and-forget choice for a tune-up. Buyers rate it highly, though it is sold singly, so a V8 needs eight.
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Lowest price we've seen: $11.59 on Nov 10 at Walmart. Tracked across 3 stores since Nov 10.
Buyers rate it 4.5 out of 5 and mostly describe it as the correct factory plug that fits and runs as expected. Complaints are few and center on buying them one at a time.
This is an ACDelco GM Genuine Parts iridium spark plug, part number 41-110. It is a direct replacement for the original spark plug in select GM vehicles. It is an original-equipment part, either installed during production or validated by General Motors.
The plug has an iridium composition, which gives it a high melting point, strength, and wear resistance. It is designed, engineered, and tested to General Motors standards.
It fits select models, including the 2015-2019 Chevrolet Silverado and the 2015-2020 Chevrolet Express G2500.
