Spark plug · NGK
Equivalents for the NGK spark plug 6511
NGK 6511 is a spark plug. Compare its 111 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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What can replace a NGK 6511 spark plug?
The NGK 6511 is interchangeable with: NGK BP4E, Bosch W 8 DC, Champion N11YC, NGK BP5E, NGK BP5EA, NGK BP5ES. 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.