Equivalents for the Japko spark plug B109
Japko B109, a spark plug — reach 15.2–19.0 mm, heat range hot. All its 103 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Japko B109 spark plug
- Resistor
- no
Buy this spark plug Japko B109 — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
What can replace a Japko B109 spark plug?
The Japko B109 is interchangeable with: Bosch CH222, Champion W430, Denso G122, Bosch GLP007, Champion CH222, Champion CH269. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Japko B109?
Reach 15.2–19.0 mm, Heat range 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.