Spark plug · Ford
Equivalents for the Ford spark plug 840F 12405 JD
Ford 840F 12405 JD, a spark plug. All its 73 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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What can replace a Ford 840F 12405 JD spark plug?
The Ford 840F 12405 JD is interchangeable with: NGK AP6FS, Bosch D 7 BC, Champion F9Y, Bosch D 8 BC, Bosch DR 7 BC, Bosch DR 8 BC. 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.