Spark plug · Bosch

Equivalents for the Bosch spark plug F09CS

Bosch F09CS is a spark plug with hex size 13/16″ (20,8 mm), reach 18.5–21.5 mm, thread 14 mm, heat range very cold, electrode nickel, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Find its 71 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.

Technical information Bosch F09CS spark plug

Construction
Silver
Ground electrodes
1
Terminal
SAE nut 3x caulked
Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

→ How to read a Bosch reference

Buy this spark plug Bosch F09CS — best retailers

Buy a spark plug wrench 13/16″ (20,8 mm) wrench

Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.

What can replace a Bosch F09CS spark plug?

The Bosch F09CS is interchangeable with: Bosch F08CS, Champion C55, Denso K29A-Z, Bosch B241046619, Champion C57, Champion C53C. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch F09CS?

Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 18.5–21.5 mm, Heat range Very cold, Electrode Nickel, Resistor no, Seat Flat (gasket), Construction Silver, Ground electrodes 1, Terminal SAE nut 3x caulked, 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.