Spark plug · NGK
Equivalents for the NGK spark plug 2129
The NGK 2129 spark plug. Compare its 88 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
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What can replace a NGK 2129 spark plug?
The NGK 2129 is interchangeable with: NGK B9EG, Bosch W2C, Champion L82C, NGK B9ECS, NGK B9EGV, NGK B9EVX. 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.