Spark plug · NGK
Equivalents for the NGK spark plug 3951
The NGK 3951 spark plug. Compare its 36 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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36 equivalents compatible with the NGK 3951 spark plug
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What can replace a NGK 3951 spark plug?
The NGK 3951 is interchangeable with: NGK TR55, Bosch HR 9 DCX, Champion RS12YC/013, NGK TR55GP, NGK TR55IX, Bosch HR 8 DPP15V. 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.