Spark plug · Bosch

Equivalents for the Bosch spark plug HR9BP4

Bosch HR9BP4 is a spark plug — tightening torque fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour), heat range very hot, reach 11.2 mm, thread 14 mm, electrode platinum. Here are its 32 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.

Technical information Bosch HR9BP4 spark plug

Resistor
yes
Ground electrodes
1
Torque
fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour)

→ How to read a Bosch reference

Buy this spark plug Bosch HR9BP4 — best retailers

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

What can replace a Bosch HR9BP4 spark plug?

The Bosch HR9BP4 is interchangeable with: Bosch HR9BP, Denso ITF16, Autolite AP25, Bosch HR9BPX, Bosch HR9BPX4, Bosch HR9BPX6. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch HR9BP4?

Thread 14 mm, Reach 11.2 mm, Heat range Very hot, Electrode Platinum, Resistor yes, Seat Tapered, Ground electrodes 1, Torque fonte 10–20 N·m · alu 10–20 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.