Equivalents for the Japko spark plug B104
Japko B104 is a spark plug : heat range medium, reach 15.2–19.0 mm. Browse its 151 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information Japko B104 spark plug
- Resistor
- no
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What can replace a Japko B104 spark plug?
The Japko B104 is interchangeable with: Bosch CH203, Champion W425, Denso DG145, Bosch GLP040, Bosch GLP228, Champion CH203. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Japko B104?
Reach 15.2–19.0 mm, Heat range Medium, 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.