Equivalents for the Japan Parts spark plug DG122
Japan Parts DG122 is a spark plug with heat range medium, reach 15.2–19.0 mm. Find its 180 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Japan Parts DG122 spark plug
- Resistor
- no
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180 equivalents compatible with the Japan Parts DG122 spark plug

































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No equivalent for this brand selection.
What can replace a Japan Parts DG122 spark plug?
The Japan Parts DG122 is interchangeable with: Bosch CH166, Champion W430, Denso DG122, Bosch CH222, Bosch GLP032, Champion CH166. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Japan Parts DG122?
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.