Equivalents for the NGK spark plug 3978
Meet the NGK 3978 spark plug. Here are its 86 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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86 equivalents compatible with the NGK 3978 spark plug
No equivalent for this brand selection.
What can replace a NGK 3978 spark plug?
The NGK 3978 is interchangeable with: NGK BKR7EVX-11, Bosch FR 6 DPX, Champion RC8PYPB4, NGK BCPR7EVX-11, NGK PFR6G11, NGK PFR7H10. 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.