Behind every TAKUMI spark plug is a vertically integrated factory: precision grinding, laser welding, ceramic sintering and automated electrical testing under one roof.

Product Overview

TAKUMI S-R6A15 spark plug is a form, fit and function equivalent replacement for OEM part 12453562. TAKUMI S-R6A15 prechamber spark plug for MWM TCG 2016 / TCG 3016 and CAT CG 132 gas engines. M18x1.5 thread, 0.3 mm gap, resistor type.

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 TypeS-R6A15
• Thread SizeM18 x 1.5
• Reach26 mm
• Hex Size22.2 mm (7/8")
• Seat TypeFlat / Gasket
• Spark Gap0.3 mm
• Electrode TypePrechamber (5-hole)
• Cable Length540 mm
• Shield Length278 mm
• ResistorYes

Cross Reference

• MWM1245-3562 / 1245-3564 / 1245-3548 / 1234-3755 / 1234-3055 / 1234-4096 / 1231-9475 / 1234-2668 / 1234-3758
• C-A-T1245-3546
• 2G32090-00017

Applications

• MWM TCG 2016 V8 / V12 / V16 A-B-C
• MWM TCG 3016
• CAT CG 132 V8 / V12 / V16
• Biogas and natural gas CHP

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.

Application

This spark plug series is widely applied in CHP plants, biogas stations and distributed power generation, where stable ignition directly affects engine availability.

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.