NGK R74378 - Possible spark plugs for

Alternative spark plugs for NGK R74378:

Brand Model
Denso IKH24
HKS 50003M40IL
HKS 50003S40IL
HKS M40iL

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SPARK PLUG CONVERTER

The Spark Plug Cross references are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.
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