ACDelco 41-101 iridium spark plug set of eight spark plugs. Commonly found on GM Excalibur and 5.0 SPort PCM engines. Make sure to always check what plugs are in your engine. They may be different than what the owner’s manual states should used.

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicles original components. Iridium composition provides a high melting point and great strength and provides excellent wear resistance and durability.

Product Specs:

• Set of 8 iridium ACDelco 41-101
• Iridium tip Spark plug
• Used on the 5.0L and 5.7L PCM Excalibur and Pro-Sport
• PCM Part#RP030010
• AC Delco Part# 41-101
• Indmar Part# 491009

Bakes Resource Library:

• PCM Service Parts Quick Reference Guide (PDF)