Equivalents for the Prestolite Electric spark plug 14-9
The Prestolite Electric 14-9 spark plug — reach 9.5 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). 298 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Prestolite Electric 14-9 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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298 equivalents compatible with the Prestolite Electric 14-9 spark plug

















































































































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No equivalent for this brand selection.
What can replace a Prestolite Electric 14-9 spark plug?
The Prestolite Electric 14-9 is interchangeable with: NGK B4, Bosch W9E, Champion J11, NGK B-4, Bosch W10E, Bosch W4AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Prestolite Electric 14-9?
Thread 14 mm, Reach 9.5 mm, Heat range Very hot, Gap 1.0mm, 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.