Spark plug · Bosch
Equivalents for the Bosch spark plug 340
Bosch 340, a spark plug. All its 11 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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What can replace a Bosch 340 spark plug?
The Bosch 340 is interchangeable with: Champion LA11, Lodge R49, KLG F280, Lodge R50, KLG F290, Marchal RR31. 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.