Equivalents for the Japan Parts spark plug PM406
The Japan Parts PM406 spark plug : heat range very hot, reach 15.2–19.0 mm. All its 221 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Japan Parts PM406 spark plug
- Resistor
- no
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221 equivalents compatible with the Japan Parts PM406 spark plug


































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No equivalent for this brand selection.
What can replace a Japan Parts PM406 spark plug?
The Japan Parts PM406 is interchangeable with: Bosch GLP093, Champion CH701, Denso DG190, Bosch GLP2HS, Champion CH702, Champion CH7O2. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Japan Parts PM406?
Reach 15.2–19.0 mm, Heat range Very hot, Resistor no, Seat Flat (gasket)
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.