Spark plug · Rotax
Equivalents for the Rotax spark plug 899 721
Rotax 899 721 is a spark plug. Browse its 95 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
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What can replace a Rotax 899 721 spark plug?
The Rotax 899 721 is interchangeable with: NGK B9E, Bosch W 3 CC, Champion N2, NGK B7EM, NGK B7ET, NGK B8EE. 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.