Equivalents for the Bosch spark plug HR9B
Meet the Bosch HR9B spark plug featuring electrode nickel, heat range very hot, reach 11.2 mm, thread 14 mm, tightening torque fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour). Find its 478 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Bosch HR9B spark plug
- Resistor
- yes
- Ground electrodes
- 1
- Torque
- fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour)
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478 equivalents compatible with the Bosch HR9B spark plug












































































































































































































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- E
- A
- K
- K
- K
- K
- K
- T
- A
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- L
- N
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- N
- M
- M
- N
- N
- N
- N
- N
- N
- B
- B
- A
- A
- A
- E
- I
- M
- M
- N
- L
- N
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- N
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- M
- B
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- B
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- M
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- N
- N
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- N
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- N
- N
- N
- N
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- A
- A
- A
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- A
- A
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- D
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- B
- B
- M
- M
- M
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- D
- P
- P
- P
- P
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- P
- B
- B

- M
- C
- Y
- W
- W
- W
- L
- L
- L
- M






No equivalent for this brand selection.
What can replace a Bosch HR9B spark plug?
The Bosch HR9B is interchangeable with: NGK BPR4FS-15, Bosch H8B, Champion V12YC, Bosch H9B, Bosch H10B, Bosch H8BC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Bosch HR9B?
Thread 14 mm, Reach 11.2 mm, Heat range Very hot, Electrode Nickel, 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.