
From our factory to your engine - TAKUMI maintains complete control over production quality, packaging and logistics to protect your supply chain.
TAKUMI R1B12-77 spark plug. TAKUMI R1B12-77 4-ground-electrode resistor spark plug replacing Champion RB76N / Beru 18GZ7.
Every TAKUMI unit is produced in an ISO 9001 and IATF 16949 certified factory, 100% tested before shipment. The plug is engineered for long service life in continuous operation, with a nickel-plated shell, copper-core electrode and high-grade ceramic insulator.
OE numbers are for reference only. Final fitment should be confirmed before ordering.

The testing equipment is calibrated regularly and all inspection records are kept for at least three years, supporting fast after-sales analysis.
TAKUMI runs a fully integrated manufacturing base: CNC machining, automated assembly and 100% functional testing under one roof.



From raw material to finished spark plug, every process is controlled in-house with ISO-certified procedures.