AUTOLITE 3924 COPPER CORE SPARK PLUG
|Guaranteed to deliver quick starts, good fuel economy and smooth acceleration. The copper core increases the rate of heat conduction in the spark plug tip and improves resistance to all types of fouling.
Spark Plug Type Performance Differences
How to Install Autolite Spark Plugs
|Alternate/OEM Part Number(s): 3924BP, 3924DP2|
2 years for Copper; 4 years for Platinum; 5 years for Double Platinum; Limited Lifetime years for Iridium XP; 5 years for Professional Series Wire Sets
200 in stock