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Replacement Parts

Spark Plugs & Wires

ACDelco Professional 41-121 (55585517) Iridium Spark Plug (Pack of 1)

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ACDelco Professional 41-121 (55585517) Iridium Spark Plug (Pack of 1)
- Iridium offers excellent engine idle stability and smooth performance
- Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
- Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
- One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
- Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage
ACDelco Professional Iridium Spark Plugs are the high quality replacement ideal for many vehicles on the road today. They are the latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition has the highest melting point and strength of all metals. It provides the greatest wear resistance and durability over Platinum and Conventional spark plugs. ACDelco Professional Iridium Spark Plugs provide the best wear resistance and durability of any spark plug. These premium aftermarket replacement iridium spark plugs are manufactured to meet your expectations for fit, form and function.

Country	USA
Brand	ACDelco
Manufacturer	ACDelco
Binding	Automotive
ItemPartNumber	55585517
Model	41-121
Warranty	7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
Size	1 Pack
UnitCount	1
UPCs	707773972090
EANs	0707773972090
ReleaseDate	0000-00-00

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