Equivalents for the Firestone spark plug F23L
Firestone F23L is a spark plug — reach 18.5–21.5 mm, thread 14 mm, heat range very hot, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). 1000 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Firestone F23L spark plug
- Resistor
- yes
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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1000 equivalents compatible with the Firestone F23L spark plug





























































































































































































































































































































































































































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No equivalent for this brand selection.
What can replace a Firestone F23L spark plug?
The Firestone F23L is interchangeable with: NGK BCPR7ES, Bosch M2C, Champion N2, Bosch W2C, Bosch W2D, Bosch W3C. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Firestone F23L?
Thread 14 mm, Reach 18.5–21.5 mm, Heat range Very hot, Resistor yes, 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.