Equivalents for the Mazda spark plug S21O1814O
Meet the Mazda S21O1814O spark plug featuring thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium. Here are its 235 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information Mazda S21O1814O spark plug
- Resistor
- no
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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235 equivalents compatible with the Mazda S21O1814O spark plug





























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No equivalent for this brand selection.
What can replace a Mazda S21O1814O spark plug?
The Mazda S21O1814O is interchangeable with: Bosch F002G50079, Champion CH97, Denso G146, Bosch GLP038, Bosch GLP163, Champion CH242. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Mazda S21O1814O?
Thread 14 mm, Heat range Medium, Resistor no, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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.