Spark plug · NGK
Equivalents for the NGK spark plug 7866
NGK 7866, a spark plug. Compare its 146 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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What can replace a NGK 7866 spark plug?
The NGK 7866 is interchangeable with: NGK DIFR5C11, Bosch FR8DII33X, Champion RC10WYPB4, NGK BKR5EIX-11, NGK BCPR5EIX-11, NGK BKR5EIX-11P. 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.