Spark plug · Bosch

Equivalents for the Bosch spark plug YR9B

Bosch YR9B is an automotive spark plug — electrode nickel, thread 12 mm, heat range very hot, tightening torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour), reach 12.7 mm. All its 10 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Bosch YR9B spark plug

Resistor
yes
Ground electrodes
1
Torque
fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)

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What can replace a Bosch YR9B spark plug?

The Bosch YR9B is interchangeable with: Autolite A25, Motorcraft SP-450, Splitfire CC002E, Motorcraft ASF42CF4, Bluelightning BL642, Mopar P-55-7P. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch YR9B?

Thread 12 mm, Reach 12.7 mm, Heat range Very hot, Electrode Nickel, Resistor yes, Seat Flat (gasket), Ground electrodes 1, Torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ 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.