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791 Review
45 Karma

Review on ACDelco 41 110 Professional Iridium Spark by Terrence Castillo

Revainrating 5 out of 5

Spark Plug 41-985 vs 49-110 (Revain's Vehicle Verification is sometimes incorrect)

- example: 2005 GMC Yukon 5.3L, vehicle tester shows AC Delco 41-110 is NOT working, NOT TRUE!) AC Delco 41-110 Professional Iridium Spark PlugThere is no difference between A/C 41-985 and A/C 41-110, they are the same spark plug…….GM changed the part number to A/C 41-110… …. The information below is sourced from A/C Delco, GMC YUKON - Yukon XL Online Parts Catalog 15002005 V8-323ci 5.3LF/I VIN T2005 V8-325ci 5.3L FLEX/FI VIN Z Per vehicle: 8; Years: 1999-2005 ASM SPARK PLUGS Part Number: 41-110 Product Notes: Iridium Spark Plug.040 Cap

Pros
  • inspires confidence
Cons
  • poorly thought out