TAKUMI A7RTC Spark Plug NGK CR7EIX Autolite 4303/XS4303 Champion OE122 Denso IU Motorcycle Spark Plugs for Yamaha / Suzu
Quality starts at the factory floor. TAKUMI's production facility combines automated assembly with skilled craftsmen, and every batch is documented and traceable.
Product Overview
TAKUMI A7RTC spark plug. TAKUMI A7RTC iridium spark plug matching NGK CR7EIX.
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 TypeA7RTC
- Thread SizeM14 x 1.25
- Reach12.7 mm
- Hex Size20.8 mm
- Seat TypeFlat
- Spark Gap0.7 mm
- Electrode TypeIridium
- ResistorYes
Cross Reference
- NGKCR7EIX
- AUTOLITE4303 / XS4303
- ChampionOE122
- DENSOIU01-27
Applications
- Motorcycles (Yamaha etc.)
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
In our quality laboratory, every production batch is inspected with precision gauges, high-voltage spark testers and sealing equipment before packing.
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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

