TAKUMI R1B12-77 Spark Plug Engine Spark Plug 4 Ground Electrode Resistor Replace for Champion RB76N

From our factory to your engine - TAKUMI maintains complete control over production quality, packaging and logistics to protect your supply chain.

Product Overview

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.

Key Specifications

• TAKUMI TypeR1B12-77
• Thread SizeM18 x 1.5
• Reach20.6 mm
• Hex Size22.2 mm
• Seat TypeFlat
• Spark Gap0.3 mm
• Electrode Type4 Ground Electrode
• ResistorYes

Cross Reference

• ChampionRB76N / RB76PP
• BERU18GZ7
• STITTR817L

Applications

• Natural gas generator engines
• Industrial stationary engines

Advantages

• Drop-in replacement - no engine parameter changes required
• Reliable ignition under high pressure and lean combustion
• Anti-corrosion nickel-plated housing
• 95% alumina insulator for heat and shock resistance
• Monolithic resistor for stable conductivity
• Factory direct with competitive pricing and short lead time

OE numbers are for reference only. Final fitment should be confirmed before ordering.

Factory & Quality Control

The testing equipment is calibrated regularly and all inspection records are kept for at least three years, supporting fast after-sales analysis.

Production Workshop

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.