We are not a trading company. TAKUMI owns the production line, which is why we can offer consistent quality, competitive pricing and reliable delivery.
Product Overview
TAKUMI S-R6A12 spark plug. TAKUMI S-R6A12 is a drop-in prechamber spark plug for MWM TCG 2020 and CAT CG 170 gas engines. 8-hole prechamber design, M18x1.5 thread, 0.3 mm gap. Installs without engine parameter changes.
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.
Replaces 1245-2074 (updated from old version 1230-1641) for MWM TCG 2020.
Key Specifications
- TAKUMI TypeS-R6A12
- Thread SizeM18 x 1.5
- Reach26 mm
- Hex Size22.2 mm (7/8")
- Seat TypeFlat / Gasket
- Spark Gap0.3 mm
- Electrode TypePrechamber (8-hole)
- Cable Length540 mm
- Shield Length278 mm
- ResistorYes
Cross Reference
- MWM1245-3572 / 1245-3318 / 1245-2828 / 1245-2176 / 1245-3388 / 1245-2074 / 1230-1641 / 1245-2835
- C-A-T1245-3556
- DEUTZ1245-2074 / 1230-1641
Applications
- MWM TCG 2020 V12 / V16 / V20
- CAT CG 170 V12 / V16 / V20
- Natural gas, biogas and landfill gas CHP plants
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.
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TAKUMI S-R6A12 Spark Plug Optimize Engine Performance with Pre-Chamber Spark Plugs for MWM TCG 2020 Natural Gas Engines Images
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