Spark plug · ACDelco
Equivalents for the ACDelco spark plug 41-123
ACDelco 41-123, a spark plug. All its 41 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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41 equivalents compatible with the ACDelco 41-123 spark plug
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What can replace a ACDelco 41-123 spark plug?
The ACDelco 41-123 is interchangeable with: NGK ILTR5D, Bosch HR7NII33, Champion CCH9901, NGK ILTR5B11, NGK ILTR5P11D, Bosch HR8NI332W. These spark plugs share the same mounting (thread, seat) and heat range.
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.