Equivalents for the NGK spark plug 1421 3100
NGK 1421 3100 is an automotive spark plug. Browse its 14 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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14 equivalents compatible with the NGK 1421 3100 spark plug
No equivalent for this brand selection.
What can replace a NGK 1421 3100 spark plug?
The NGK 1421 3100 is interchangeable with: NGK BP6S, Champion J10Y, Brisk K15YC, KLG FS55P, Bosna FS55P, Enker FS55P. 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.