Equivalents for the Bosch spark plug 4509
The Bosch 4509 spark plug featuring tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), reach 17.5 mm, thread 14 mm, heat range very hot. 11 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Bosch 4509 spark plug
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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11 equivalents compatible with the Bosch 4509 spark plug
No equivalent for this brand selection.
What can replace a Bosch 4509 spark plug?
The Bosch 4509 is interchangeable with: Denso IT16, Autolite APP23, Torch Q4RTI, Torch Q4RTP, Champion 9405, Denso 5325. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Bosch 4509?
Thread 14 mm, Reach 17.5 mm, Heat range Very hot, 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.