TAKUMI B7TC Spark Plug NGK C7E/ Autolite XS4303 / Bo-sch U3CC/ Champion OE166/T04/ Denso U22ES-N Spark Plug

Reliability is built, not claimed. Our production and QC teams work together to deliver spark plugs that perform consistently in the harshest conditions.

Product Overview

TAKUMI B7TC spark plug. TAKUMI B7TC nickel spark plug matching NGK C7E family.

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 TypeB7TC
• Thread SizeM14 x 1.25
• Reach19 mm
• Hex Size16 mm
• Seat TypeFlat
• Spark Gap0.8 mm
• Electrode TypeNickel alloy
• ResistorNo

Cross Reference

• NGKC7E
• AUTOLITEXS4303
• Bo-schU3CC
• ChampionOE166 / T04
• DENSOU22ES-N

Applications

• Motorcycles
• small 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

Our QC team records batch numbers for full traceability. Should any issue arise, we can quickly isolate the production batch and respond within 48 hours.

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.