Spark plug · Hitachi
Equivalents for the Hitachi spark plug RL 47 PX
Hitachi RL 47 PX is an automotive spark plug. All its 168 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
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What can replace a Hitachi RL 47 PX spark plug?
The Hitachi RL 47 PX is interchangeable with: NGK BPR4ES, Bosch WR 9 DS, Champion RN11YC, NGK BPR5ES, NGK BPR5EA-L, Bosch WR 8 DC4. 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.